A quake of magnitude 8.6 struck Sumatra at Wednesday, April 11, 2012 at 02:38:37 PM at local time and produced a ground shaking for up to five minutes. It was reported that after two hours an aftershock of magnitude 8.2 produced a renewal of previously superseded tsunami warning after main shock. The aftershock lasted four minutes.
This quake was unlike those seen off Indonesia in recent years, where ground had been pushed under the continental plate, "flipping up" the seabed. It seems to be a large earthquake within the Indian Plate and the.......
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