2021 Chiba earthquake
| 千葉県北西部地震 | |
 | |
   | |
| UTC time | 2021-10-07 13:41:24 |
|---|---|
| USGS-ANSS | ComCat |
| Local date | 7 October 2021 |
| Local time | 22:41 |
| Magnitude | 5.9 Mw |
| Depth | 62.0 km (38.5 mi) (USGS) 75.0 km (46.6 mi) (JMA) |
| Epicenter | 35°34′37″N 140°04′12″E / 35.577°N 140.070°E |
| Areas affected | Japan |
| Total damage | Limited |
| Max. intensity | |
| Casualties | 51 injured[1] |
The 2021 Chiba earthquake (千葉県北西部地震, Chiba-ken Hokuseibu Jishin) was an earthquake that occurred in Japan at 22:41 JST (13:41 UTC) on October 7, 2021.[2] The epicenter was recorded approximately 4 kilometers (2.5 mi) southwest of Chiba in Chiba Prefecture. The earthquake struck a depth of around 62.0 kilometers (38.5 mi) to 75.0 kilometers (46.6 mi) with a magnitude of 5.9 on the Richter scale. A maximum intensity of Shindo 5+ was recorded, equivalent to VI (Strong) on the Mercalli scale. It was the strongest earthquake to strike the Tokyo area since the 2011 Tohoku earthquake.[3][4]
Earthquake
Intensity
A maximum intensity of Shindo 5+ was recorded in the prefectures of Tokyo and Saitama.
| Intensity | Prefecture | Location[5] |
|---|---|---|
| 5+ | Saitama | Kawaguchi, Miyashiro |
| Tokyo | Adachi | |
| 5− | Saitama | Midori, Sōka, Warabi, Yashio, Misato, Satte, Yoshikawa, Kazo, Konosu, Kuki |
| Chiba | Chūō, Funabashi, Matsudo, Nagareyama | |
| Tokyo | Ōta, Machida | |
| Kanagawa | Tsurumi, Kanagawa, Naka, Kohoku, Midori, Kawasaki |
Impact
Injuries
At least 51 people were injured, four of them seriously.[6][1]
Damage
Minor damage and power outages were reported in the epicentral area.[6]
Due to the earthquake, transportation such as railroads ceased operations temporarily. Additionally, a Nippori-Toneri Liner train derailed in Adachi, Tokyo.[7][8][9]
There were also reported instances of fires; an oil refinery processing unit was suspended after a fire broke out there.[10]
See also
References
- ^ a b "千葉5.9直下型強震！東京都震度五 311以來最有感地震". tw.news.yahoo.com (in Chinese). 8 October 2021. Retrieved 2022-09-25.
- ^ "令和3年10月7日22時41分頃の千葉県北西部の地震について" (in Japanese). Japan Meteorological Agency. Retrieved 2021-10-14.
- ^ 日本放送協会. "地震 東京・埼玉で10年ぶりの"震度5強"「1週間程度 注意を」". NHKニュース. Retrieved 2021-10-14.
- ^ "令和3年10月8日 千葉県北西部を震源とする地震についての会見 | 令和3年 | 総理の演説・記者会見など | ニュース". 首相官邸ホームページ (in Japanese). Retrieved 2021-10-14.
- ^ "地震情報". tenki.jp (in Japanese). October 8, 2021. Archived from the original on 2021-10-07. Retrieved January 1, 2022.
- ^ a b "千葉県北西部を震源とする地震による被害及び消防機関等の対応状況 (第6報)" (PDF) (in Japanese). 総務省消防庁. Archived (PDF) from the original on 2021-10-11. Retrieved 2021-10-14.
- ^ "震度5強で脱線の日暮里・舎人ライナー 11日始発から運転再開". 毎日新聞 (in Japanese). Retrieved 2021-10-14.
- ^ "日暮里・舎人ライナー 車両損傷し脱線したまま…復旧のめど立たず 乗客3人負傷". FNNプライムオンライン. Archived from the original on 2021-10-08. Retrieved 2021-10-14.
- ^ "舎人ライナー全線で運行再開 ７日の地震で脱線「思ったより早く」 – 社会 : 日刊スポーツ". nikkansports.com (in Japanese). Retrieved 2021-10-14.
- ^ "Tokyo Gets Biggest Jolt Since 2011 With Magnitude 5.9 Quake". Bloomberg News.