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Earthquake offshore Sumatra – 11 April 2012 – 8.6mb

On April 11th, 2012, a major earthquake (magnitude 8.6) struck several hundred kilometres offshore Sumatra. The earthquake occurred at a depth of 23 km, 440 km southwest from the city of Banda Aceh, Indonesia, at 15:38 local time (08:38 GMT). It was followed by a large, magnitude 8.2, aftershock just over two hours later and numerous smaller aftershocks. Tsunami alerts were issued across the Indian Ocean basin, but the reported wave heights have been small, less than 1 meter.

DIAS press release