2012 Sanriku earthquake
Earthquake in Japan
37°53′20″N 144°05′24″E / 37.889°N 144.090°E / 37.889; 144.090JMA 5−
The 2012 Sanriku earthquake (三陸沖地震, Sanriku oki jishin) occurred near the city of Kamaishi, Japan, on December 7 at 17:18 JST.[9] The magnitude 7.3 shock generated a small tsunami, with waves up to 1 m high, that hit Ishinomaki in Miyagi Prefecture.[10] It occurred at a depth of 36 km within the Pacific Plate and was the result of reverse faulting, about 20 kilometres (12 mi) east of the Japan Trench.
Damage
Tsunami
The 1 metre (3.3 ft) tsunami caused a mountain of sandbags to collapse in Ishinomaki.[7] An old man went missing and was found dead on December 14 after he sailed out to sea to try to evacuate from the tsunami in Kuji.[6][7]
Shaking
Some pipeworks were damaged in an old people's facility in Saitama.[1] Some boards in a roof of an elementary school in Ichikai shifted.[11] An elderly lady died of shock at her home in Marumori, and a man died of shock after trying to evacuate from where he was working in Iitate, causing a total of 3 deaths.[6] This earthquake also caused 14 injuries.[7]
Previous earthquakes in Kamaishi
In 2001 and 2008, there were a series of micro earthquakes that could have started the tectonic plate movement that triggered the 2012 Kamaishi earthquake. These small series of earthquakes were a magnitude of about 3–4.9. According to studies, the shocks moved from the outer and deeper limits into the mainshock epicenter. These small earthquakes were a precursor that began the tectonic movement for the 2012 earthquake.[12]
See also
References
- ^ a b "三陸沖地震 埼玉県内も震度4 女性1人けが". 産経新聞. 8 December 2012. Archived from the original on 19 February 2013. Retrieved 9 December 2012.
- ^ "Small tsunami waves hit Japan after 7.3-magnitude earthquake". NBC.
- ^ "東北、関東で震度5弱＝宮城・石巻に津波1メートル－11人けが、沿岸部は一時避難". 時事ドットコム. 2012-12-07. Archived from the original on 2013-11-12. Retrieved 2012-12-08.
- ^ "東北震度5弱:8県で14人けが－ 毎日jp(毎日新聞)". Archived from the original on 2012-12-13. Retrieved 2012-12-09.
- ^ "ͤ ٣ 塡 ̵ ؤۤ ʿ j ̿ - Yahoo! ˥塼". Archived from the original on 2012-12-13. Retrieved 2012-12-09.
- ^ a b c "2万5000人が一時避難 震度5弱 交通機関ほぼ平常に". 河北新報. 2012-12-08. Archived from the original on 2012-12-13. Retrieved 2012-12-09.
- ^ a b c d "東北震度5弱:8県で14人けが". 毎日新聞. 2012-12-08. Archived from the original on 2012-12-13. Retrieved 2012-12-09.
- ^ "不明の船長、遺体で発見＝地震直後に沖合避難—岩手". 時事通信. 2012-12-14. Retrieved 2012-12-15.[permanent dead link]
- ^ "Kamaishi Japan Rocked By 7.3 Magnitude Earthquake & Ofunato Japan Shaken by 6.2 Quake". 7 December 2012.
- ^ "Japan earthquake sparks tsunami scare". BBC News. 2012-12-07.
- ^ "三陸沖地震 宇都宮で男性軽傷、市貝町で小学校の天井がずれる". 産経新聞. 8 December 2012. Archived from the original on 18 February 2013. Retrieved 9 December 2012.
- ^ Uchida, Naoki; Matsuzawa, Toru; Ellsworth, William L.; Imanishi, Kazutoshi; Shimamura, Kouhei; Hasegawa, Akira (2012-05-01). "Source parameters of microearthquakes on an interplate asperity off Kamaishi, NE Japan over two earthquake cycles". Geophysical Journal International. 189 (2): 999–1014. Bibcode:2012GeoJI.189..999U. doi:10.1111/j.1365-246X.2012.05377.x. ISSN 0956-540X.
External links
- The International Seismological Centre has a bibliography and/or authoritative data for this event.
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accidents
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| Sequence of events | |
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Aftershocks
- Sanriku, Japan (7.3, 9 March 2011)
- Miyagi, Japan (7.1, 7 April 2011)
- Fukushima, Japan (6.6, 11 April 2011)
- Miyagi, Japan (7.3, 7 December 2012)
- Fukushima, Japan (6.9, 22 November 2016)
- Fukushima, Japan (7.1, 13 February 2021)
- Miyagi, Japan (7.0, 20 March 2021)
Recovery
| Efforts | |
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