.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}You can help expand this article with text translated from the corresponding article in Japanese. (October 2021) Click [show] for important translation instructions. View a machine-translated version of the Japanese article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 3,755 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Japanese Wikipedia article at [[:ja:千葉県北西部地震 (2021年)]]; see its history for attribution. You should also add the template ((Translated|ja|千葉県北西部地震 (2021年))) to the talk page. For more guidance, see Wikipedia:Translation.
2021 Chiba earthquake
千葉県北西部地震
2021 Chiba earthquake is located in Kanto Area
2021 Chiba earthquake
2021 Chiba earthquake is located in Japan
2021 Chiba earthquake
UTC time2021-10-07 13:41:24
USGS-ANSSComCat
Local date7 October 2021 (2021-10-07)
Local time22:41
Magnitude5.9 Mw
Depth62.0 km (38.5 mi) (USGS)
75.0 km (46.6 mi) (JMA)
Epicenter35°34′37″N 140°04′12″E / 35.577°N 140.070°E / 35.577; 140.070
Areas affectedJapan
Total damageLimited
Max. intensity
Casualties51 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.

Japan Meteorological Agency seismic intensity by selected location (only locations with Shindo 5 Lower and higher are shown)
Intensity Prefecture Location Source
5+ Saitama Kawaguchi, Miyashiro [5]
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

  1. ^ 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.
  2. ^ "気象庁｜報道発表資料". www.jma.go.jp. Retrieved 2021-10-14.
  3. ^ 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.
  4. ^ "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.
  5. ^ "地震情報". tenki.jp (in Japanese). October 8, 2021. Archived from the original on 2021-10-07. Retrieved January 1, 2022.
  6. ^ 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). www.fdma.go.jp (in Japanese). 総務省消防庁. Archived (PDF) from the original on 2021-10-11. Retrieved 2021-10-14.
  7. ^ "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.
  8. ^ "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.
  9. ^ "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.
  10. ^ "Tokyo Gets Biggest Jolt Since 2011 With Magnitude 5.9 Quake". bloomberg.com.
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