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Aftershocks of Honshu, Japan Megathrust (Magnitude 9) Mar 11 2011

Earthquake near the east coast of Honshu, Japan (03/11/2011) was a result of the thrust faulting on or near the subduction zone interface plate boundary between the Pacific and North America plates. At the latitude of honshu devastating earthquake, the Pacific plate moves approximately westwards with respect to the North America plate at a velocity of 83 mm/yr. The Pacific plate thrusts underneath Japan at the Japan Trench, and dips to the west beneath Eurasia. This earthquake was preceded by a series of large foreshocks over the previous two days, beginning on March 9th with an M 7.2 event approximately 40 km from the March 11 earthquake, and continuing with a further 3  greater than M 6 on the same day. The significant Aftershocks of this earthquake are listed in  this post as follows:


M
Location
Date Time
6.4
near the east coast of Honshu, Japan
38.763°N, 141.942°E, 39.2km depth
Fri, Mar 25 2011 11:36 UTC
Fri, Mar 25 2011 20:36 at epicenter
6.6
off the east coast of Honshu, Japan
39.863°N, 143.436°E, 15.5km depth
Tue, Mar 22 2011 9:44 UTC
Tue, Mar 22 2011 19:44 at epicenter
6.4
near the east coast of Honshu, Japan
37.334°N, 141.861°E, 27.0km depth
Tue, Mar 22 2011 9:19 UTC
Tue, Mar 22 2011 18:19 at epicenter
6.6
off the east coast of Honshu, Japan
37.249°N, 143.956°E, 26.5km depth
Tue, Mar 22 2011 7:18 UTC
Tue, Mar 22 2011 17:18 at epicenter
6.4
near the east coast of Honshu, Japan
37.261°N, 141.175°E, 37.5km depth
Sat, Mar 12 2011 13:15 UTC
Sat, Mar 12 2011 22:15 at epicenter
6.8
off the east coast of Honshu, Japan
37.588°N, 142.682°E, 24.8km depth
Sat, Mar 12 2011 1:47 UTC
Sat, Mar 12 2011 11:47 at epicenter
6.6
near the west coast of Honshu, Japan
40.472°N, 139.070°E, 10.0km depth
Fri, Mar 11 2011 19:46 UTC
Sat, Mar 12 2011 4:46 at epicenter
6.5
Mb
near the east coast of Honshu, Japan
39.276°N, 142.521°E, 11.6km depth
Fri, Mar 11 2011 11:36 UTC
Fri, Mar 11 2011 20:36 at epicenter
6.5
Mb
off the east coast of Honshu, Japan
36.200°N, 142.000°E, 19.9km depth
Fri, Mar 11 2011 8:19 UTC
Fri, Mar 11 2011 17:19 at epicenter
7.1
Mb
off the east coast of Honshu, Japan
38.106°N, 144.553°E, 19.7km depth
Fri, Mar 11 2011 6:25 UTC
Fri, Mar 11 2011 16:25 at epicenter
7.9
Mw
near the east coast of Honshu, Japan
36.179°N, 141.172°E, 39.0km depth
Fri, Mar 11 2011 6:15 UTC
Fri, Mar 11 2011 15:15 at epicenter
6.4
Mb
near the east coast of Honshu, Japan
36.401°N, 141.862°E, 35.4km depth
Fri, Mar 11 2011 6:07 UTC
Fri, Mar 11 2011 15:07 at epicenter
6.4
Mb
near the east coast of Honshu, Japan
39.025°N, 142.316°E, 25.1km depth
Fri, Mar 11 2011 6:06 UTC
Fri, Mar 11 2011 15:06 at epicenter

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