Tag Archives: aftershocks

Meteorological agency warns of possibility of more M7 aftershocks

The Japan Meteorological Agency warned Monday that the country could experience more aftershocks of magnitude 7 levels accompanied by shaking at the maximum possible intensity of 7 on Japans seismic scale for some time to come.The agency gave the warning after a magnitude 7.0 temblor, believed to be an aftershock of the March 11 magnitude 9.0 quake, rattled eastern and northeastern Japan, registering lower 6 on the Japanese scale in parts of Fukushima and Ibaraki prefectures Monday evening.Aftershocks of a quake of magnitude 7 or 8 levels typically decline in frequency and intensity in about a month. But a massive temblor registering a magnitude of 9, like last months catastrophic quake, could be followed by larger aftershocks, said the agencys earthquake prediction division chief Keiji Doi.

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