Strong quakes east of Tokyo, Japan

Strong quakes east of Tokyo, Japan

An earthquake magnitude 6,1 epicentred at 35.617°N, 140.452°E, 64km east of Tokyo struck at a depth of 42,9km at 13:37 on April 21th. The quake was followed by a number of aftershocks, the largest of which measured 5,6. (USGS)According to Fire-Earth si