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A seismogram recorded in Massachusetts, United States. The magnitude 9.1 (M w) undersea megathrust earthquake occurred on 11 March 2011 at 14:46 JST (05:46 UTC) in the north-western Pacific Ocean at a relatively shallow depth of 32 km (20 mi), [9] [56] with its epicenter approximately 72 km (45 mi) east of the Oshika Peninsula of Tōhoku, Japan, lasting approximately six minutes.
The 1605 Keichō Nankaidō earthquake occurred at about 20:00 local time on 3 February. It had an estimated magnitude of 7.9 on the surface-wave magnitude scale and triggered a devastating tsunami that resulted in thousands of deaths in the Nankai and Tōkai regions of Japan. It is uncertain whether there were two separate earthquakes separated ...
The United States Geological Survey reported a magnitude (M ww ) of 7.1, at a depth of 25 km (16 mi) and a maximum Modified Mercalli intensity of VIII (Severe). [2] At least 24 aftershocks were recorded following the event, [8] with the strongest measuring M w 5.5. [9] The USGS initially reported two events, measuring magnitudes 7.1 and 6.9 ...
- On March 11, 2011, a 9.0 magnitude earthquake and tsunami struck northeast Japan, killing nearly 20,000 people and causing a meltdown in Fukushima, leading to the world's worst nuclear disaster ...
Japan’s Meteorological Agency warns major quakes could hit the area over the next week Japan earthquake – latest: Aftershocks continue in quake zone as death toll rises to 64 Skip to main content
The 2011 triple disasters along Japan's northeastern coast began with a magnitude 9 earthquake offshore that was more than 125 times more powerful than this week's quake in terms of the total ...
In the South China Sea lies the Manila Trench, which is capable of producing M w 9.0 or larger earthquakes, [17] with the maximum magnitude at Mw 9.2 or higher. [18] In Japan, the Nankai megathrust under the Nankai Trough is responsible for Nankai megathrust earthquakes and associated tsunamis. [19] The largest megathrust event within the last ...
Japan had experienced 900 aftershocks after the M9.1 earthquake on March 11, 2011 with about 60 aftershocks being over magnitude 6.0 and three over magnitude 7.0. For conciseness, only earthquakes with magnitudes greater than 7.0 or an intensity greater than lower-6 on the shindo scale are listed here.