April 2011 Miyagi earthquake
The April 2011 Miyagi earthquake (2011年 宮城県沖地震, 2011-Nen Miyagi-ken-oki jishin) occurred off the coast of Miyagi Prefecture, approximately 66 kilometres (41 mi) east of Sendai, Japan. The Mw7.1 thrust earthquake was classified as an aftershock of the March 11 Tōhoku earthquake, and occurred at 23:32 JST (14:32 UTC) on Thursday, 7 April 2011.
| 2011年 宮城県沖地震 | |
11 March quake Sendai | |
| UTC time | 2011-04-07 14:32:44 |
|---|---|
| ISC event | 16413596 |
| USGS-ANSS | ComCat |
| Local date | 7 April 2011 |
| Local time | 23:32 JST |
| Magnitude | 7.1 Mw |
| Depth | 49 km (30 mi) |
| Epicenter | 38.253°N 141.640°E |
| Type | Thrust |
| Areas affected | Japan |
| Max. intensity | MMI VIII (Severe) JMA 6+ |
| Peak acceleration | 1.47 g |
| Casualties | 4 confirmed dead, 141 injured |
Several tsunami warnings were issued for the northeastern coast of Honshu; however, they were all canceled 90 minutes later. Over 3 million households in the area were left without power, and several nuclear plants suffered minor malfunctions. There was no major structural damage, but the quake killed at least 4 people and injured 141.
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