Japan’s Meteorological Agency on Friday warned the country’s 20 volcanoes has become alive due to the massive March 11 earthquake, and a study said earthquake over 9.0-magnitude might hit Japan.
The Agency said volcanic explosion occurred after earthquake several times in history and people should maintain vigilance against this tendency.
The number of earthquake above 6.0 M reached 77 on March. And 74 out of them occurred in quake-hit region, were aftershock. The number is 50 times over the same period last year.
The largest aftershock on April 7 hit Japan has killed 4 people, injured at least 166, and caused a power outage over 2.61 million households, according to Japan’s police officials. The Meteorological Agency warned aftershocks above 6.0 M like the April 7 earthquake probably would hit Japan again.
Meanwhile, quakes of the country’s 20 volcanoes occurred more frequently after the massive March 11 earthquake, especially, the Fuji, Hakone, and Aso-San.
Authorities in Japan on Friday announced a research findings which indicated chain earthquake over 9.0-magnitude might hit Japan and its offshore area.
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