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2016 Kumamoto earthquakes
Earthquake in Japan / From Wikipedia, the free encyclopedia
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The 2016 Kumamoto earthquakes (Japanese: 平成28年熊本地震, Hepburn: Heisei 28-nen Kumamoto jishin) were a series of earthquakes,[2] including a magnitude 7.0 mainshock which struck at 01:25 JST on April 16, 2016 (16:25 UTC on April 15) beneath Kumamoto City of Kumamoto Prefecture in Kyushu Region, Japan, at a depth of about 10 kilometres (6.2 mi),[10] and a foreshock earthquake with a magnitude 6.2 at 21:26 JST (12:26 UTC) on April 14, 2016, at a depth of about 11 kilometres (6.8 mi).[4]
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![]() A destroyed house in Kumamoto | |
![]() United States Geological Survey shake map for the April 16 earthquake; a maximum Mercalli intensity scale value of 8.8 was observed just east of Kumamoto City.[1] | |
UTC time | 2016-04-15 16:25:06 |
---|---|
ISC event | 610289055 |
USGS-ANSS | ComCat |
Local date | April 16, 2016 (2016-04-16)[2] |
Local time | 01:25 JST (UTC+9) |
Magnitude | 7.0 Mw[2] 7.3 MJMA |
Depth | 10 km[3] |
Epicenter | 32°46′55.2″N 130°43′33.6″E[2] |
Fault | Futagawa-Hinagu fault zone |
Type | Strike-slip |
Areas affected | Kumamoto Prefecture, Kyushu, Japan[4] |
Max. intensity | JMA 7 (MMI IX) |
Peak acceleration | 1.61 g (foreshock) 1580 Gal (foreshock) 1.83 g (mainshock) 1791 Gal (mainshock) |
Foreshocks | 6.2 Mw, April 14, 2016 (2016-04-14) 12:26:36 (UTC), 21:26:36 (JST)[4][5][6] |
Casualties | 273 dead, 2,809 injured (including indirect deaths)[7][lower-alpha 1] |
In total, the two earthquakes killed 273 people and injured 2,809 others, a majority of them indirectly,[7][11] making this the deadliest earthquake sequence in Japan since the 2011 Tōhoku earthquake and tsunami.[12] Of these, 50 deaths were directly caused by the earthquake, 218 were disaster-related deaths (災害関連死, Saigai-kanren-shi)[13] caused by aggravation of injuries from the earthquake or aggravation of illnesses during evacuation, and 5 of the deaths caused by the heavy rains from June 19-25 were related to the earthquake.[14]
Severe damage occurred in Kumamoto and Ōita Prefectures, with numerous structures collapsing and catching fire. More than 44,000 people were evacuated from their homes due to the disaster.