Hit Again: December temblor probably caused new Sumatran quakes

By Sid Perkins, 15:52 PM April 15, 2008

Seismic activity that rattled the Indonesian region early this week, including a quake that measured a whopping magnitude 8.7, was triggered by December's massive, tsunami-spawning earthquake, scientists suggest.

As of press time, the largest of this week's quakes struck the region late Monday night Sumatran time. U.S. Geological Survey scientists place that temblor's epicenter just southeast of Simeulue, an island about 150 kilometers west of Sumatra, and near the epicenter of the Dec. 26, 2...

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