diff --git a/supabase/.gitignore b/supabase/.gitignore
new file mode 100644
index 000000000..a3ad88055
--- /dev/null
+++ b/supabase/.gitignore
@@ -0,0 +1,4 @@
+# Supabase
+.branches
+.temp
+.env
diff --git a/supabase/config.toml b/supabase/config.toml
new file mode 100644
index 000000000..0fd53cc18
--- /dev/null
+++ b/supabase/config.toml
@@ -0,0 +1,187 @@
+project_id = "EQMonitor"
+
+[api]
+enabled = true
+# Port to use for the API URL.
+port = 54321
+# Schemas to expose in your API. Tables, views and stored procedures in this schema will get API
+# endpoints. `public` is always included.
+schemas = ["public", "graphql_public"]
+# Extra schemas to add to the search_path of every request. `public` is always included.
+extra_search_path = ["public", "extensions"]
+# The maximum number of rows returns from a view, table, or stored procedure. Limits payload size
+# for accidental or malicious requests.
+max_rows = 1000
+
+[api.tls]
+enabled = false
+
+[db]
+# Port to use for the local database URL.
+port = 54322
+# Port used by db diff command to initialize the shadow database.
+shadow_port = 54320
+# The database major version to use. This has to be the same as your remote database's. Run `SHOW
+# server_version;` on the remote database to check.
+major_version = 15
+
+[db.pooler]
+enabled = false
+# Port to use for the local connection pooler.
+port = 54329
+# Specifies when a server connection can be reused by other clients.
+# Configure one of the supported pooler modes: `transaction`, `session`.
+pool_mode = "transaction"
+# How many server connections to allow per user/database pair.
+default_pool_size = 20
+# Maximum number of client connections allowed.
+max_client_conn = 100
+
+[realtime]
+enabled = false
+# Bind realtime via either IPv4 or IPv6. (default: IPv4)
+# ip_version = "IPv6"
+# The maximum length in bytes of HTTP request headers. (default: 4096)
+# max_header_length = 4096
+
+[studio]
+enabled = true
+# Port to use for Supabase Studio.
+port = 54323
+# External URL of the API server that frontend connects to.
+api_url = "http://127.0.0.1"
+# OpenAI API Key to use for Supabase AI in the Supabase Studio.
+openai_api_key = "env(OPENAI_API_KEY)"
+
+# Email testing server. Emails sent with the local dev setup are not actually sent - rather, they
+# are monitored, and you can view the emails that would have been sent from the web interface.
+[inbucket]
+enabled = false
+# Port to use for the email testing server web interface.
+port = 54324
+# Uncomment to expose additional ports for testing user applications that send emails.
+# smtp_port = 54325
+# pop3_port = 54326
+
+[storage]
+enabled = false
+# The maximum file size allowed (e.g. "5MB", "500KB").
+file_size_limit = "50MiB"
+
+[storage.image_transformation]
+enabled = false
+
+# Uncomment to configure local storage buckets
+# [storage.buckets.images]
+# public = false
+# file_size_limit = "50MiB"
+# allowed_mime_types = ["image/png", "image/jpeg"]
+
+[auth]
+enabled = false
+# The base URL of your website. Used as an allow-list for redirects and for constructing URLs used
+# in emails.
+site_url = "http://127.0.0.1:3000"
+# A list of *exact* URLs that auth providers are permitted to redirect to post authentication.
+additional_redirect_urls = ["https://127.0.0.1:3000"]
+# How long tokens are valid for, in seconds. Defaults to 3600 (1 hour), maximum 604,800 (1 week).
+jwt_expiry = 3600
+# If disabled, the refresh token will never expire.
+enable_refresh_token_rotation = true
+# Allows refresh tokens to be reused after expiry, up to the specified interval in seconds.
+# Requires enable_refresh_token_rotation = true.
+refresh_token_reuse_interval = 10
+# Allow/disallow new user signups to your project.
+enable_signup = true
+# Allow/disallow anonymous sign-ins to your project.
+enable_anonymous_sign_ins = false
+# Allow/disallow testing manual linking of accounts
+enable_manual_linking = false
+
+[auth.email]
+# Allow/disallow new user signups via email to your project.
+enable_signup = false
+# If enabled, a user will be required to confirm any email change on both the old, and new email
+# addresses. If disabled, only the new email is required to confirm.
+double_confirm_changes = true
+# If enabled, users need to confirm their email address before signing in.
+enable_confirmations = false
+# Controls the minimum amount of time that must pass before sending another signup confirmation or password reset email.
+max_frequency = "1s"
+
+# Use a production-ready SMTP server
+# [auth.email.smtp]
+# host = "smtp.sendgrid.net"
+# port = 587
+# user = "apikey"
+# pass = "env(SENDGRID_API_KEY)"
+# admin_email = "admin@email.com"
+# sender_name = "Admin"
+
+# Uncomment to customize email template
+# [auth.email.template.invite]
+# subject = "You have been invited"
+# content_path = "./supabase/templates/invite.html"
+
+[auth.sms]
+# Allow/disallow new user signups via SMS to your project.
+enable_signup = false
+# If enabled, users need to confirm their phone number before signing in.
+enable_confirmations = false
+# Template for sending OTP to users
+template = "Your code is {{ .Code }} ."
+# Controls the minimum amount of time that must pass before sending another sms otp.
+max_frequency = "5s"
+
+# Use pre-defined map of phone number to OTP for testing.
+# [auth.sms.test_otp]
+# 4152127777 = "123456"
+
+# Configure logged in session timeouts.
+# [auth.sessions]
+# Force log out after the specified duration.
+# timebox = "24h"
+# Force log out if the user has been inactive longer than the specified duration.
+# inactivity_timeout = "8h"
+
+# This hook runs before a token is issued and allows you to add additional claims based on the authentication method used.
+# [auth.hook.custom_access_token]
+# enabled = true
+# uri = "pg-functions://<database>/<schema>/<hook_name>"
+
+# Configure one of the supported SMS providers: `twilio`, `twilio_verify`, `messagebird`, `textlocal`, `vonage`.
+[auth.sms.twilio]
+enabled = false
+account_sid = ""
+message_service_sid = ""
+# DO NOT commit your Twilio auth token to git. Use environment variable substitution instead:
+auth_token = "env(SUPABASE_AUTH_SMS_TWILIO_AUTH_TOKEN)"
+
+# Use an external OAuth provider. The full list of providers are: `apple`, `azure`, `bitbucket`,
+# `discord`, `facebook`, `github`, `gitlab`, `google`, `keycloak`, `linkedin_oidc`, `notion`, `twitch`,
+# `twitter`, `slack`, `spotify`, `workos`, `zoom`.
+[auth.external.apple]
+enabled = false
+client_id = ""
+# DO NOT commit your OAuth provider secret to git. Use environment variable substitution instead:
+secret = "env(SUPABASE_AUTH_EXTERNAL_APPLE_SECRET)"
+# Overrides the default auth redirectUrl.
+redirect_uri = ""
+# Overrides the default auth provider URL. Used to support self-hosted gitlab, single-tenant Azure,
+# or any other third-party OIDC providers.
+url = ""
+# If enabled, the nonce check will be skipped. Required for local sign in with Google auth.
+skip_nonce_check = false
+
+[edge_runtime]
+enabled = false
+# Configure one of the supported request policies: `oneshot`, `per_worker`.
+# Use `oneshot` for hot reload, or `per_worker` for load testing.
+policy = "oneshot"
+inspector_port = 8083
+
+[analytics]
+enabled = false
+port = 54327
+# Configure one of the supported backends: `postgres`, `bigquery`.
+backend = "postgres"
diff --git a/supabase/migrations/20240730083401_remote_schema.sql b/supabase/migrations/20240730083401_remote_schema.sql
new file mode 100644
index 000000000..1962fe02c
--- /dev/null
+++ b/supabase/migrations/20240730083401_remote_schema.sql
@@ -0,0 +1,644 @@
+
+SET statement_timeout = 0;
+SET lock_timeout = 0;
+SET idle_in_transaction_session_timeout = 0;
+SET client_encoding = 'UTF8';
+SET standard_conforming_strings = on;
+SELECT pg_catalog.set_config('search_path', '', false);
+SET check_function_bodies = false;
+SET xmloption = content;
+SET client_min_messages = warning;
+SET row_security = off;
+
+CREATE EXTENSION IF NOT EXISTS "pg_cron" WITH SCHEMA "pg_catalog";
+
+CREATE EXTENSION IF NOT EXISTS "pgsodium" WITH SCHEMA "pgsodium";
+
+COMMENT ON SCHEMA "public" IS 'standard public schema';
+
+CREATE EXTENSION IF NOT EXISTS "pg_graphql" WITH SCHEMA "graphql";
+
+CREATE EXTENSION IF NOT EXISTS "pg_stat_statements" WITH SCHEMA "extensions";
+
+CREATE EXTENSION IF NOT EXISTS "pgcrypto" WITH SCHEMA "extensions";
+
+CREATE EXTENSION IF NOT EXISTS "pgjwt" WITH SCHEMA "extensions";
+
+CREATE EXTENSION IF NOT EXISTS "supabase_vault" WITH SCHEMA "vault";
+
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp" WITH SCHEMA "extensions";
+
+CREATE TYPE "public"."information_author" AS ENUM (
+    'jma',
+    'developer',
+    'unknown'
+);
+
+ALTER TYPE "public"."information_author" OWNER TO "postgres";
+
+CREATE TYPE "public"."information_level" AS ENUM (
+    'info',
+    'warning',
+    'critical'
+);
+
+ALTER TYPE "public"."information_level" OWNER TO "postgres";
+
+CREATE TYPE "public"."jma_intensity" AS ENUM (
+    '0',
+    '1',
+    '2',
+    '3',
+    '4',
+    '!5-',
+    '5-',
+    '5+',
+    '6-',
+    '6+',
+    '7'
+);
+
+ALTER TYPE "public"."jma_intensity" OWNER TO "postgres";
+
+CREATE TYPE "public"."jma_lg_intensity" AS ENUM (
+    '0',
+    '1',
+    '2',
+    '3',
+    '4'
+);
+
+ALTER TYPE "public"."jma_lg_intensity" OWNER TO "postgres";
+
+SET default_tablespace = '';
+
+SET default_table_access_method = "heap";
+
+CREATE TABLE IF NOT EXISTS "public"."tsunami" (
+    "id" integer NOT NULL,
+    "event_id" bigint NOT NULL,
+    "serial_no" integer,
+    "type" "text" NOT NULL,
+    "status" "text" NOT NULL,
+    "info_type" "text" NOT NULL,
+    "press_at" timestamp with time zone NOT NULL,
+    "report_at" timestamp with time zone NOT NULL,
+    "valid_at" timestamp with time zone,
+    "body" "jsonb" NOT NULL,
+    "headline" "text"
+);
+
+ALTER TABLE "public"."tsunami" OWNER TO "postgres";
+
+CREATE OR REPLACE FUNCTION "public"."latest_tsunami"() RETURNS SETOF "public"."tsunami"
+    LANGUAGE "sql"
+    AS $$
+SELECT * 
+FROM tsunami_latest
+WHERE 
+  report_at >= now() - interval '70 days' 
+  AND
+  valid_at >= now() - interval '70 days' 
+ORDER BY report_at DESC
+LIMIT 10;
+$$;
+
+ALTER FUNCTION "public"."latest_tsunami"() OWNER TO "postgres";
+
+CREATE OR REPLACE FUNCTION "public"."update_devices_timestamp"() RETURNS "trigger"
+    LANGUAGE "plpgsql"
+    AS $$
+BEGIN
+  NEW.updated_at = NOW();
+  RETURN NEW;
+END
+$$;
+
+ALTER FUNCTION "public"."update_devices_timestamp"() OWNER TO "postgres";
+
+CREATE OR REPLACE FUNCTION "public"."uuid_generate_v7"() RETURNS "uuid"
+    LANGUAGE "plpgsql"
+    AS $$
+BEGIN
+    return encode(set_bit(set_bit(overlay(
+        uuid_send(gen_random_uuid())
+        placing substring(int8send(floor(extract(epoch from clock_timestamp()) * 1000)::bigint) from 3)
+        from 1 for 6
+    ), 52, 1), 53, 1), 'hex')::uuid;
+END
+$$;
+
+ALTER FUNCTION "public"."uuid_generate_v7"() OWNER TO "postgres";
+
+CREATE TABLE IF NOT EXISTS "public"."devices" (
+    "id" "uuid" DEFAULT "public"."uuid_generate_v7"() NOT NULL,
+    "fcm_token" "text" NOT NULL,
+    "updated_at" timestamp with time zone DEFAULT "now"() NOT NULL,
+    CONSTRAINT "devices_fcm_token_check" CHECK ((("length"("fcm_token") > 10) AND ("length"("fcm_token") < 200)))
+);
+
+ALTER TABLE "public"."devices" OWNER TO "postgres";
+
+CREATE TABLE IF NOT EXISTS "public"."devices_earthquake_settings" (
+    "id" "uuid" NOT NULL,
+    "region_id" smallint NOT NULL,
+    "min_jma_intensity" "public"."jma_intensity" NOT NULL,
+    "created_at" timestamp with time zone DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    "updated_at" timestamp with time zone DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+
+ALTER TABLE "public"."devices_earthquake_settings" OWNER TO "postgres";
+
+CREATE TABLE IF NOT EXISTS "public"."devices_eew_settings" (
+    "id" "uuid" NOT NULL,
+    "region_id" smallint DEFAULT 0 NOT NULL,
+    "min_jma_intensity" "public"."jma_intensity" NOT NULL,
+    "created_at" timestamp with time zone DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    "updated_at" timestamp with time zone DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+
+ALTER TABLE "public"."devices_eew_settings" OWNER TO "postgres";
+
+CREATE TABLE IF NOT EXISTS "public"."devices_notification_settings" (
+    "id" "uuid" NOT NULL,
+    "notification_volume" numeric(2,1) DEFAULT 1.0,
+    "created_at" timestamp with time zone DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    "updated_at" timestamp with time zone DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+
+ALTER TABLE "public"."devices_notification_settings" OWNER TO "postgres";
+
+CREATE MATERIALIZED VIEW "public"."devices_with_earthquake_settings" AS
+ SELECT "d"."id",
+    "d"."fcm_token",
+    "max"("des"."min_jma_intensity") AS "min_jma_intensity"
+   FROM ("public"."devices" "d"
+     JOIN "public"."devices_earthquake_settings" "des" ON (("d"."id" = "des"."id")))
+  GROUP BY "d"."id", "d"."fcm_token"
+  WITH NO DATA;
+
+ALTER TABLE "public"."devices_with_earthquake_settings" OWNER TO "postgres";
+
+CREATE TABLE IF NOT EXISTS "public"."earthquake" (
+    "event_id" bigint NOT NULL,
+    "status" "text" NOT NULL,
+    "magnitude" numeric(2,1),
+    "magnitude_condition" "text",
+    "max_intensity" "public"."jma_intensity",
+    "max_lpgm_intensity" "public"."jma_lg_intensity",
+    "depth" integer,
+    "latitude" numeric(6,3),
+    "longitude" numeric(6,3),
+    "epicenter_code" smallint,
+    "epicenter_detail_code" smallint,
+    "arrival_time" timestamp with time zone,
+    "origin_time" timestamp with time zone,
+    "headline" "text",
+    "text" "text",
+    "max_intensity_region_ids" smallint[],
+    "intensity_regions" "jsonb",
+    "intensity_prefectures" "jsonb",
+    "intensity_cities" "jsonb",
+    "intensity_stations" "jsonb",
+    "lpgm_intensity_prefectures" "jsonb",
+    "lpgm_intensity_regions" "jsonb",
+    "lpgm_intenstiy_stations" "jsonb"
+);
+
+ALTER TABLE "public"."earthquake" OWNER TO "postgres";
+
+CREATE TABLE IF NOT EXISTS "public"."eew" (
+    "id" integer NOT NULL,
+    "event_id" bigint NOT NULL,
+    "type" "text" NOT NULL,
+    "schema_type" "text" NOT NULL,
+    "status" "text" NOT NULL,
+    "info_type" "text" NOT NULL,
+    "serial_no" integer,
+    "headline" "text",
+    "is_canceled" boolean NOT NULL,
+    "is_warning" boolean,
+    "is_last_info" boolean NOT NULL,
+    "origin_time" timestamp with time zone,
+    "arrival_time" timestamp with time zone,
+    "hypo_name" "text",
+    "depth" smallint,
+    "latitude" numeric(3,1),
+    "longitude" numeric(4,1),
+    "magnitude" numeric(2,1),
+    "forecast_max_intensity" "public"."jma_intensity",
+    "forecast_max_lpgm_intensity" "public"."jma_lg_intensity",
+    "regions" "jsonb",
+    "forecast_max_intensity_is_over" boolean,
+    "forecast_max_lpgm_intensity_is_over" boolean,
+    "report_time" timestamp with time zone DEFAULT ("now"() AT TIME ZONE 'utc'::"text") NOT NULL,
+    "accuracy" "jsonb",
+    "is_plum" boolean NOT NULL
+);
+
+ALTER TABLE "public"."eew" OWNER TO "postgres";
+
+CREATE SEQUENCE IF NOT EXISTS "public"."eew_id_seq"
+    AS integer
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER TABLE "public"."eew_id_seq" OWNER TO "postgres";
+
+ALTER SEQUENCE "public"."eew_id_seq" OWNED BY "public"."eew"."id";
+
+CREATE OR REPLACE VIEW "public"."eew_latest" AS
+ SELECT DISTINCT ON ("eew"."event_id") "eew"."id",
+    "eew"."event_id",
+    "eew"."type",
+    "eew"."schema_type",
+    "eew"."status",
+    "eew"."info_type",
+    "eew"."serial_no",
+    "eew"."headline",
+    "eew"."is_canceled",
+    "eew"."is_warning",
+    "eew"."is_last_info",
+    "eew"."origin_time",
+    "eew"."arrival_time",
+    "eew"."hypo_name",
+    "eew"."depth",
+    "eew"."latitude",
+    "eew"."longitude",
+    "eew"."magnitude",
+    "eew"."forecast_max_intensity",
+    "eew"."forecast_max_lpgm_intensity",
+    "eew"."regions",
+    "eew"."forecast_max_intensity_is_over",
+    "eew"."forecast_max_lpgm_intensity_is_over",
+    "eew"."report_time",
+    "eew"."accuracy",
+    "eew"."is_plum"
+   FROM "public"."eew"
+  ORDER BY "eew"."event_id" DESC, "eew"."serial_no" DESC
+ LIMIT 5;
+
+ALTER TABLE "public"."eew_latest" OWNER TO "postgres";
+
+CREATE TABLE IF NOT EXISTS "public"."information" (
+    "id" integer NOT NULL,
+    "title" "text" NOT NULL,
+    "author" "public"."information_author" DEFAULT 'unknown'::"public"."information_author" NOT NULL,
+    "created_at" timestamp with time zone DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    "event_id" bigint,
+    "type" "text" NOT NULL,
+    "level" "public"."information_level" NOT NULL,
+    "body" "jsonb" NOT NULL
+);
+
+ALTER TABLE "public"."information" OWNER TO "postgres";
+
+CREATE SEQUENCE IF NOT EXISTS "public"."information_id_seq"
+    AS integer
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER TABLE "public"."information_id_seq" OWNER TO "postgres";
+
+ALTER SEQUENCE "public"."information_id_seq" OWNED BY "public"."information"."id";
+
+CREATE TABLE IF NOT EXISTS "public"."intensity_sub_division" (
+    "id" integer NOT NULL,
+    "event_id" bigint NOT NULL,
+    "area_code" character varying(5) NOT NULL,
+    "max_intensity" "public"."jma_intensity" NOT NULL,
+    "max_lpgm_intensity" "public"."jma_lg_intensity"
+);
+
+ALTER TABLE "public"."intensity_sub_division" OWNER TO "postgres";
+
+CREATE SEQUENCE IF NOT EXISTS "public"."intensity_sub_division_id_seq"
+    AS integer
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER TABLE "public"."intensity_sub_division_id_seq" OWNER TO "postgres";
+
+ALTER SEQUENCE "public"."intensity_sub_division_id_seq" OWNED BY "public"."intensity_sub_division"."id";
+
+CREATE TABLE IF NOT EXISTS "public"."telegram" (
+    "id" integer NOT NULL,
+    "event_id" bigint NOT NULL,
+    "type" "text" NOT NULL,
+    "schema_type" "text" NOT NULL,
+    "status" "text" NOT NULL,
+    "info_type" "text" NOT NULL,
+    "press_time" timestamp with time zone NOT NULL,
+    "report_time" timestamp with time zone NOT NULL,
+    "valid_time" timestamp with time zone,
+    "serial_no" integer,
+    "headline" "text",
+    "body" "jsonb" NOT NULL
+);
+
+ALTER TABLE "public"."telegram" OWNER TO "postgres";
+
+CREATE SEQUENCE IF NOT EXISTS "public"."telegram_id_seq"
+    AS integer
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER TABLE "public"."telegram_id_seq" OWNER TO "postgres";
+
+ALTER SEQUENCE "public"."telegram_id_seq" OWNED BY "public"."telegram"."id";
+
+CREATE SEQUENCE IF NOT EXISTS "public"."tsunami_id_seq"
+    AS integer
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER TABLE "public"."tsunami_id_seq" OWNER TO "postgres";
+
+ALTER SEQUENCE "public"."tsunami_id_seq" OWNED BY "public"."tsunami"."id";
+
+CREATE OR REPLACE VIEW "public"."tsunami_latest" AS
+ SELECT DISTINCT ON ("tsunami"."event_id", "tsunami"."type") "tsunami"."id",
+    "tsunami"."event_id",
+    "tsunami"."serial_no",
+    "tsunami"."type",
+    "tsunami"."status",
+    "tsunami"."info_type",
+    "tsunami"."press_at",
+    "tsunami"."report_at",
+    "tsunami"."valid_at",
+    "tsunami"."body",
+    "tsunami"."headline"
+   FROM "public"."tsunami"
+  ORDER BY "tsunami"."event_id" DESC, "tsunami"."type", "tsunami"."press_at" DESC;
+
+ALTER TABLE "public"."tsunami_latest" OWNER TO "postgres";
+
+ALTER TABLE ONLY "public"."eew" ALTER COLUMN "id" SET DEFAULT "nextval"('"public"."eew_id_seq"'::"regclass");
+
+ALTER TABLE ONLY "public"."information" ALTER COLUMN "id" SET DEFAULT "nextval"('"public"."information_id_seq"'::"regclass");
+
+ALTER TABLE ONLY "public"."intensity_sub_division" ALTER COLUMN "id" SET DEFAULT "nextval"('"public"."intensity_sub_division_id_seq"'::"regclass");
+
+ALTER TABLE ONLY "public"."telegram" ALTER COLUMN "id" SET DEFAULT "nextval"('"public"."telegram_id_seq"'::"regclass");
+
+ALTER TABLE ONLY "public"."tsunami" ALTER COLUMN "id" SET DEFAULT "nextval"('"public"."tsunami_id_seq"'::"regclass");
+
+ALTER TABLE ONLY "public"."devices"
+    ADD CONSTRAINT "devices_fcm_token_key" UNIQUE ("fcm_token");
+
+ALTER TABLE ONLY "public"."earthquake"
+    ADD CONSTRAINT "earthquake_pkey" PRIMARY KEY ("event_id");
+
+ALTER TABLE ONLY "public"."eew"
+    ADD CONSTRAINT "eew_pkey" PRIMARY KEY ("id");
+
+ALTER TABLE ONLY "public"."information"
+    ADD CONSTRAINT "information_pkey" PRIMARY KEY ("id");
+
+ALTER TABLE ONLY "public"."intensity_sub_division"
+    ADD CONSTRAINT "intensity_sub_division_event_id_area_code_key" UNIQUE ("event_id", "area_code");
+
+ALTER TABLE ONLY "public"."intensity_sub_division"
+    ADD CONSTRAINT "intensity_sub_division_pkey" PRIMARY KEY ("id");
+
+ALTER TABLE ONLY "public"."telegram"
+    ADD CONSTRAINT "telegram_pkey" PRIMARY KEY ("id");
+
+ALTER TABLE ONLY "public"."tsunami"
+    ADD CONSTRAINT "tsunami_pkey" PRIMARY KEY ("id");
+
+ALTER TABLE ONLY "public"."devices_earthquake_settings"
+    ADD CONSTRAINT "users_earthquake_settings_pkey" PRIMARY KEY ("id", "region_id");
+
+ALTER TABLE ONLY "public"."devices_eew_settings"
+    ADD CONSTRAINT "users_eew_settings_pkey" PRIMARY KEY ("id", "region_id");
+
+ALTER TABLE ONLY "public"."devices"
+    ADD CONSTRAINT "users_id_key" UNIQUE ("id");
+
+ALTER TABLE ONLY "public"."devices_notification_settings"
+    ADD CONSTRAINT "users_notification_settings_pkey" PRIMARY KEY ("id");
+
+ALTER TABLE ONLY "public"."devices"
+    ADD CONSTRAINT "users_pkey" PRIMARY KEY ("id", "fcm_token");
+
+CREATE INDEX "earthquake_depth_idx" ON "public"."earthquake" USING "btree" ("depth");
+
+CREATE INDEX "earthquake_epicenter_idx" ON "public"."earthquake" USING "btree" ("epicenter_code");
+
+CREATE INDEX "earthquake_magnitude_idx" ON "public"."earthquake" USING "btree" ("magnitude", "magnitude_condition");
+
+CREATE INDEX "earthquake_max_intensity_idx" ON "public"."earthquake" USING "btree" ("max_intensity");
+
+CREATE INDEX "earthquake_max_lpgm_intensity_idx" ON "public"."earthquake" USING "btree" ("max_lpgm_intensity");
+
+CREATE INDEX "earthquake_origin_time_idx" ON "public"."earthquake" USING "btree" ("origin_time");
+
+CREATE INDEX "intensity_sub_division_max_intensity_idx" ON "public"."intensity_sub_division" USING "btree" ("max_intensity");
+
+CREATE INDEX "intensity_sub_division_max_lpgm_intensity_idx" ON "public"."intensity_sub_division" USING "btree" ("max_lpgm_intensity");
+
+CREATE INDEX "tsunami_event_id_idx" ON "public"."tsunami" USING "btree" ("event_id");
+
+CREATE INDEX "tsunami_valid_at_idx" ON "public"."tsunami" USING "btree" ("valid_at");
+
+CREATE OR REPLACE TRIGGER "update_devices_modtime" BEFORE UPDATE ON "public"."devices" FOR EACH ROW EXECUTE FUNCTION "public"."update_devices_timestamp"();
+
+ALTER TABLE ONLY "public"."intensity_sub_division"
+    ADD CONSTRAINT "public_intensity_sub_division_event_id_fkey" FOREIGN KEY ("event_id") REFERENCES "public"."earthquake"("event_id") ON UPDATE CASCADE ON DELETE CASCADE;
+
+ALTER TABLE ONLY "public"."devices_earthquake_settings"
+    ADD CONSTRAINT "users_earthquake_settings_id_fkey" FOREIGN KEY ("id") REFERENCES "public"."devices"("id");
+
+ALTER TABLE ONLY "public"."devices_eew_settings"
+    ADD CONSTRAINT "users_eew_settings_id_fkey" FOREIGN KEY ("id") REFERENCES "public"."devices"("id");
+
+ALTER TABLE ONLY "public"."devices_notification_settings"
+    ADD CONSTRAINT "users_notification_settings_id_fkey" FOREIGN KEY ("id") REFERENCES "public"."devices"("id");
+
+ALTER TABLE "public"."devices" ENABLE ROW LEVEL SECURITY;
+
+ALTER TABLE "public"."devices_earthquake_settings" ENABLE ROW LEVEL SECURITY;
+
+ALTER TABLE "public"."devices_eew_settings" ENABLE ROW LEVEL SECURITY;
+
+ALTER TABLE "public"."devices_notification_settings" ENABLE ROW LEVEL SECURITY;
+
+ALTER TABLE "public"."earthquake" ENABLE ROW LEVEL SECURITY;
+
+CREATE POLICY "earthquake_select_policy" ON "public"."earthquake" FOR SELECT USING (true);
+
+ALTER TABLE "public"."eew" ENABLE ROW LEVEL SECURITY;
+
+CREATE POLICY "eew_select_policy" ON "public"."eew" FOR SELECT USING (true);
+
+ALTER TABLE "public"."information" ENABLE ROW LEVEL SECURITY;
+
+CREATE POLICY "information_select_policy" ON "public"."information" FOR SELECT USING (true);
+
+ALTER TABLE "public"."intensity_sub_division" ENABLE ROW LEVEL SECURITY;
+
+CREATE POLICY "intensity_sub_division_select_policy" ON "public"."intensity_sub_division" FOR SELECT USING (true);
+
+ALTER TABLE "public"."telegram" ENABLE ROW LEVEL SECURITY;
+
+CREATE POLICY "telegram_select_policy" ON "public"."telegram" FOR SELECT USING (true);
+
+ALTER TABLE "public"."tsunami" ENABLE ROW LEVEL SECURITY;
+
+CREATE POLICY "tsunami_select_policy" ON "public"."tsunami" FOR SELECT USING (true);
+
+CREATE PUBLICATION "eqmonitor_db" WITH (publish = 'insert, update, delete, truncate');
+
+ALTER PUBLICATION "eqmonitor_db" OWNER TO "postgres";
+
+ALTER PUBLICATION "supabase_realtime" OWNER TO "postgres";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLE ONLY "public"."devices";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLE ONLY "public"."devices_earthquake_settings";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLE ONLY "public"."devices_eew_settings";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLE ONLY "public"."devices_notification_settings";
+
+ALTER PUBLICATION "supabase_realtime" ADD TABLE ONLY "public"."earthquake";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLE ONLY "public"."earthquake";
+
+ALTER PUBLICATION "supabase_realtime" ADD TABLE ONLY "public"."eew";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLE ONLY "public"."eew";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLE ONLY "public"."information";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLE ONLY "public"."intensity_sub_division";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLE ONLY "public"."telegram";
+
+ALTER PUBLICATION "supabase_realtime" ADD TABLE ONLY "public"."tsunami";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLE ONLY "public"."tsunami";
+
+ALTER PUBLICATION "eqmonitor_db" ADD TABLES IN SCHEMA "public";
+
+GRANT USAGE ON SCHEMA "public" TO "postgres";
+GRANT USAGE ON SCHEMA "public" TO "anon";
+GRANT USAGE ON SCHEMA "public" TO "authenticated";
+GRANT USAGE ON SCHEMA "public" TO "service_role";
+
+GRANT ALL ON TABLE "public"."tsunami" TO "anon";
+GRANT ALL ON TABLE "public"."tsunami" TO "authenticated";
+GRANT ALL ON TABLE "public"."tsunami" TO "service_role";
+
+GRANT ALL ON FUNCTION "public"."latest_tsunami"() TO "anon";
+GRANT ALL ON FUNCTION "public"."latest_tsunami"() TO "authenticated";
+GRANT ALL ON FUNCTION "public"."latest_tsunami"() TO "service_role";
+
+GRANT ALL ON FUNCTION "public"."update_devices_timestamp"() TO "anon";
+GRANT ALL ON FUNCTION "public"."update_devices_timestamp"() TO "authenticated";
+GRANT ALL ON FUNCTION "public"."update_devices_timestamp"() TO "service_role";
+
+GRANT ALL ON FUNCTION "public"."uuid_generate_v7"() TO "anon";
+GRANT ALL ON FUNCTION "public"."uuid_generate_v7"() TO "authenticated";
+GRANT ALL ON FUNCTION "public"."uuid_generate_v7"() TO "service_role";
+
+GRANT ALL ON TABLE "public"."devices" TO "anon";
+GRANT ALL ON TABLE "public"."devices" TO "authenticated";
+GRANT ALL ON TABLE "public"."devices" TO "service_role";
+
+GRANT ALL ON TABLE "public"."devices_earthquake_settings" TO "anon";
+GRANT ALL ON TABLE "public"."devices_earthquake_settings" TO "authenticated";
+GRANT ALL ON TABLE "public"."devices_earthquake_settings" TO "service_role";
+
+GRANT ALL ON TABLE "public"."devices_eew_settings" TO "anon";
+GRANT ALL ON TABLE "public"."devices_eew_settings" TO "authenticated";
+GRANT ALL ON TABLE "public"."devices_eew_settings" TO "service_role";
+
+GRANT ALL ON TABLE "public"."devices_notification_settings" TO "anon";
+GRANT ALL ON TABLE "public"."devices_notification_settings" TO "authenticated";
+GRANT ALL ON TABLE "public"."devices_notification_settings" TO "service_role";
+
+GRANT ALL ON TABLE "public"."devices_with_earthquake_settings" TO "anon";
+GRANT ALL ON TABLE "public"."devices_with_earthquake_settings" TO "authenticated";
+GRANT ALL ON TABLE "public"."devices_with_earthquake_settings" TO "service_role";
+
+GRANT ALL ON TABLE "public"."earthquake" TO "anon";
+GRANT ALL ON TABLE "public"."earthquake" TO "authenticated";
+GRANT ALL ON TABLE "public"."earthquake" TO "service_role";
+
+GRANT ALL ON TABLE "public"."eew" TO "anon";
+GRANT ALL ON TABLE "public"."eew" TO "authenticated";
+GRANT ALL ON TABLE "public"."eew" TO "service_role";
+
+GRANT ALL ON SEQUENCE "public"."eew_id_seq" TO "anon";
+GRANT ALL ON SEQUENCE "public"."eew_id_seq" TO "authenticated";
+GRANT ALL ON SEQUENCE "public"."eew_id_seq" TO "service_role";
+
+GRANT ALL ON TABLE "public"."eew_latest" TO "anon";
+GRANT ALL ON TABLE "public"."eew_latest" TO "authenticated";
+GRANT ALL ON TABLE "public"."eew_latest" TO "service_role";
+
+GRANT ALL ON TABLE "public"."information" TO "anon";
+GRANT ALL ON TABLE "public"."information" TO "authenticated";
+GRANT ALL ON TABLE "public"."information" TO "service_role";
+
+GRANT ALL ON SEQUENCE "public"."information_id_seq" TO "anon";
+GRANT ALL ON SEQUENCE "public"."information_id_seq" TO "authenticated";
+GRANT ALL ON SEQUENCE "public"."information_id_seq" TO "service_role";
+
+GRANT ALL ON TABLE "public"."intensity_sub_division" TO "anon";
+GRANT ALL ON TABLE "public"."intensity_sub_division" TO "authenticated";
+GRANT ALL ON TABLE "public"."intensity_sub_division" TO "service_role";
+
+GRANT ALL ON SEQUENCE "public"."intensity_sub_division_id_seq" TO "anon";
+GRANT ALL ON SEQUENCE "public"."intensity_sub_division_id_seq" TO "authenticated";
+GRANT ALL ON SEQUENCE "public"."intensity_sub_division_id_seq" TO "service_role";
+
+GRANT ALL ON TABLE "public"."telegram" TO "anon";
+GRANT ALL ON TABLE "public"."telegram" TO "authenticated";
+GRANT ALL ON TABLE "public"."telegram" TO "service_role";
+
+GRANT ALL ON SEQUENCE "public"."telegram_id_seq" TO "anon";
+GRANT ALL ON SEQUENCE "public"."telegram_id_seq" TO "authenticated";
+GRANT ALL ON SEQUENCE "public"."telegram_id_seq" TO "service_role";
+
+GRANT ALL ON SEQUENCE "public"."tsunami_id_seq" TO "anon";
+GRANT ALL ON SEQUENCE "public"."tsunami_id_seq" TO "authenticated";
+GRANT ALL ON SEQUENCE "public"."tsunami_id_seq" TO "service_role";
+
+GRANT ALL ON TABLE "public"."tsunami_latest" TO "anon";
+GRANT ALL ON TABLE "public"."tsunami_latest" TO "authenticated";
+GRANT ALL ON TABLE "public"."tsunami_latest" TO "service_role";
+
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON SEQUENCES  TO "postgres";
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON SEQUENCES  TO "anon";
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON SEQUENCES  TO "authenticated";
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON SEQUENCES  TO "service_role";
+
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON FUNCTIONS  TO "postgres";
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON FUNCTIONS  TO "anon";
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON FUNCTIONS  TO "authenticated";
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON FUNCTIONS  TO "service_role";
+
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON TABLES  TO "postgres";
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON TABLES  TO "anon";
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON TABLES  TO "authenticated";
+ALTER DEFAULT PRIVILEGES FOR ROLE "postgres" IN SCHEMA "public" GRANT ALL ON TABLES  TO "service_role";
+
+RESET ALL;
diff --git a/supabase/migrations/20240801152904_add_earthquake_early.sql b/supabase/migrations/20240801152904_add_earthquake_early.sql
new file mode 100644
index 000000000..5e541f74a
--- /dev/null
+++ b/supabase/migrations/20240801152904_add_earthquake_early.sql
@@ -0,0 +1,44 @@
+CREATE TYPE origin_time_precision AS ENUM (
+  'month',
+  /* xxxx年xx月 */
+  'day',
+  /* xxxx/xx/xx */
+  'hour',
+  /* xxxx/xx/xx xx時 */
+  'minute',
+  /* xxxx/xx/xx xx:xx */
+  'second',
+  /* xxxx/xx/xx xx:xx:xx */
+  'millisecond'
+  /* xxxx/xx/xx xx:xx:xx.x */
+);
+
+CREATE TABLE earthquake_early (
+  id TEXT PRIMARY KEY NOT NULL,
+  origin_time TIMESTAMPTZ NOT NULL,
+  origin_time_precision origin_time_precision NOT NULL,
+  name TEXT NOT NULL,
+  latitude DOUBLE PRECISION,
+  longitude DOUBLE PRECISION,
+  depth INTEGER,
+  magnitude DOUBLE PRECISION,
+  max_intensity jma_intensity NULL
+);
+
+CREATE INDEX earthquake_early_origin_time_idx ON earthquake_early (origin_time);
+
+CREATE INDEX earthquake_early_origin_time_precision_idx ON earthquake_early (origin_time_precision);
+
+CREATE INDEX earthquake_early_lat_lon_idx ON earthquake_early (latitude, longitude);
+
+CREATE INDEX earthquake_early_depth_idx ON earthquake_early (depth);
+
+CREATE INDEX earthquake_early_magnitude_idx ON earthquake_early (magnitude);
+
+CREATE INDEX earthquake_early_max_intensity_idx ON earthquake_early (max_intensity);
+
+ALTER TABLE earthquake_early ENABLE ROW LEVEL SECURITY;
+
+CREATE POLICY select_earthquake_early ON earthquake_early FOR
+SELECT
+  USING (true);
diff --git a/supabase/migrations/20240801161135_alter_earthquake_early_early_field.sql b/supabase/migrations/20240801161135_alter_earthquake_early_early_field.sql
new file mode 100644
index 000000000..32dfad133
--- /dev/null
+++ b/supabase/migrations/20240801161135_alter_earthquake_early_early_field.sql
@@ -0,0 +1,2 @@
+ALTER TABLE earthquake_early
+ADD COLUMN max_intensity_is_early BOOLEAN NOT NULL DEFAULT false;
diff --git a/supabase/seed.sql b/supabase/seed.sql
new file mode 100644
index 000000000..e69de29bb