Recent large Japan quakes are aftershocks of the 2011 Tohoku Earthquake
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Ross S. Stein, Ph.D., Temblor, Inc.
Citation: Toda, S., Stein, R., 2021, Recent large Japan quakes are aftershocks of the 2011 Tohoku Earthquake, Temblor, http://doi.org/10.32858/temblor.175
Three major earthquakes have struck offshore Sendai and Fukushima, Japan, in the past three months. The first two, both magnitude-7.1, occurred on February 13 and March 20. The latest, a magnitude-6.9, occurred on May 1. The three quakes struck within 60 miles (100 kilometers) of each other and were strong enough to rattle major population centers of northern Honshu, Japan’s main island. These were just a few of the thousands of quakes that have struck the region in the last decade — since the Great Tohoku Earthquake.