diff --git a/src/index.ts b/src/index.ts
index 353db8b..5f5b4c0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -35,6 +35,7 @@ import SleepReportModule from './modules/sleep-report';
 import NotingModule from './modules/noting';
 // import PollModule from './modules/poll';
 import ReminderModule from './modules/reminder';
+import earthquake from './modules/earthquake';
 import DicModule from './modules/dic';
 import menuModule from './modules/menu';
 import GetColorModule from './modules/color';
@@ -96,6 +97,7 @@ promiseRetry(retry => {
 		new DicModule(),
 		new menuModule(),
 		new GetColorModule(),
+		new earthquake(),
 	]);
 }).catch(e => {
 	log(chalk.red('Failed to fetch the account'));
diff --git a/src/modules/earthquake/index.ts b/src/modules/earthquake/index.ts
new file mode 100644
index 0000000..0ee8742
--- /dev/null
+++ b/src/modules/earthquake/index.ts
@@ -0,0 +1,116 @@
+import autobind from "autobind-decorator";
+import Module from "@/module";
+import Message from "@/message";
+import * as http from "http";
+
+// 基本的に生データはstringばっかり。都合のいい形に加工済みの状態の型定義を書いています。
+// ここでいくらか言及されてる(https://bultar.bbs.fc2.com/?act=reply&tid=5645851);
+interface 緊急地震速報 {
+	type: 'eew';
+	time: Date;
+	report: string; // 第n報 最終報はstringで'final'となるので、とりあえずstring型
+	epicenter: string; // 震源地
+	depth: string; // 震源の深さ
+	magnitude: string; // 地震の規模を示すマグニチュード
+	latitude: string; // 緯度らしいが謎
+	longitude: string; // 経度らしいが謎
+	intensity: string; // 地震の強さ
+	index: number; // 謎
+}
+
+interface 緊急地震速報キャンセル {
+	type: 'pga_alert_cancel';
+	time: Date;
+}
+
+interface 震度レポート {
+  type: 'intensity_report';
+  time: Date;
+  max_index: number;
+  intensity_list: {
+		intensity: string;
+		index: number;
+		region_list: string[];
+	}[];
+}
+
+interface 地震検知 {
+  type: 'pga_alert';
+  time: Date;
+  max_pga: number;
+  new: boolean;
+  estimated_intensity: number;
+  region_list: string[];
+}
+
+export default class extends Module {
+  public readonly name = "earthquake";
+  private message: string = "";
+
+  @autobind
+  public install() {
+    this.createListenServer();
+    return {};
+  }
+
+  @autobind
+  private async createListenServer() {
+    http.createServer(async (req, res) => {
+      const buffers: Buffer[] = [];
+      for await (const chunk of req) {
+        buffers.push(chunk);
+      }
+
+      const rawDataString = Buffer.concat(buffers).toString();
+      // rawDataString について、Unicodeエスケープシーケンスが含まれていたら通常の文字列に変換する
+      // JSONでなければreturn falseする
+      if (rawDataString.match(/\\u[0-9a-f]{4}/)) {
+        const rawDataJSON = JSON.parse(
+          rawDataString.replace(/\\u([\d\w]{4})/g, (match, p1) => {
+            return String.fromCharCode(parseInt(p1, 16));
+          }),
+        );
+
+        if (rawDataJSON.type == "pga_alert") {
+          const data: 地震検知 = {
+            type: rawDataJSON.type,
+            time: new Date(parseInt(rawDataJSON.time)),
+            max_pga: rawDataJSON.max_pga,
+            new: rawDataJSON.new,
+            estimated_intensity: rawDataJSON.estimated_intensity,
+            region_list: rawDataJSON.region_list,
+          };
+          this.message =
+					// region_listはオブジェクトなので、2行改行してから列挙する
+            `PGA Alert\n${data.time.toLocaleString()}\n${data.max_pga}\n${data.estimated_intensity}\n\n${data.region_list.join("\n")}`;
+        }else if (rawDataJSON.type == 'intensity_report'){
+					const data: 震度レポート = {
+						type: rawDataJSON.type,
+            time: new Date(parseInt(rawDataJSON.time)),
+						max_index: rawDataJSON.max_index,
+						intensity_list: rawDataJSON.intensity_list,
+						}
+					this.message =
+						`Intensity Report\n${data.time.toLocaleString()}\n\n${data.intensity_list.map(intensity => `震度${intensity.intensity} ${intensity.region_list.join(" ")}`).join("\n")}`;
+				}
+        this.returnResponse(res, "ok");
+        if (this.message) {
+          this.ai.post({
+            visibility: "home",
+            text: this.message,
+          });
+        }
+      } else {
+        this.returnResponse(res, "debobigego");
+      }
+    }).listen(process.env.EARTHQUAKE_PORT || 9999);
+  }
+
+  @autobind
+  private returnResponse(res: http.ServerResponse, text: string) {
+    res.writeHead(200, {
+      "Content-Type": "text/plain",
+    });
+    res.end(text);
+  }
+}
diff --git a/src/modules/earthquake/typeMemo.cs b/src/modules/earthquake/typeMemo.cs
new file mode 100644
index 0000000..e8c6b52
--- /dev/null
+++ b/src/modules/earthquake/typeMemo.cs
@@ -0,0 +1,38 @@
+# 緊急地震速報
+{"type":"eew",
+"time":long,
+"report":int,
+"epicenter":String,
+"depth":String,
+"magnitude":String,
+"latitude":String,
+"longitude":String,
+"intensity":String,
+"index":int
+}
+
+# 地震検知
+{"type":"pga_alert",
+"time":long,
+"max_pga":float,
+"new":boolean,
+"estimated_intensity":int,
+"region_list":[String,String,,,]
+}
+
+# 地震検知キャンセル
+{"type":"pga_alert_cancel", "time":long }
+
+# 震度レポート
+{"type":"intensity_report",
+"time":long,
+"max_index":int,
+"intensity_list":[
+{"intensity":String,
+"index":int,
+"region_list":[String,String,,,,]},
+{"intensity":String,
+"index":int,
+"region_list":[String,String,,,,]},
+,,]
+}