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The Kamchatka Earthquake of 30 January 2016 - Magnitude 7.2

2018-06-15  |   Editor : houguangbing  
Category : Events

The January 30, 2016 M 7.2 earthquake beneath the Kamchatka Peninsula of Russia occurred as the result of oblique-normal faulting at the depth of 180 km. At the location of this earthquake, the Pacific plate is moving towards the west-northwest with respect to the North America and Eurasia plates at the rate of approximately 77 mm/yr.

Earthquakes like this event, with focal depths from 70 to 300 km, are commonly termed "intermediate-depth" earthquakes. Intermediate-depth earthquakes represent deformation within subducted slabs rather than at the shallow plate interface between subducting and overriding tectonic plates. They typically cause less damage on the ground surface above their foci than is the case with similar magnitude shallow-focus earthquakes, but large intermediate-depth earthquakes may be felt at great distance from their epicenters. "Deep-focus" earthquakes, those with focal depths greater than 300 km, also occur in the subducted Pacific plate beneath Kamchatka, and this slab hosted the largest ever-recorded deep earthquake, a M 8.3 event in May 2013. The deepest reliably located earthquake in this region occurred at a depth of almost 650 km.

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