Pakistan Quake: The Inside Story
The earthquake that devastated Pakistan on Saturday was acontinental scale tectonic event. It was followed by over adozen aftershocks and was the result of stresses built up bythe northward movement of the Indian Subcontinent. TheUnited States Geologic Service says, “much of thecompressional motion between these two colliding plates hasbeen and continues to be accomodated by slip on a suite ofmajor thrust faults that are at the earth’s surface in thefoothills of the mountains and dip northward beneath theranges.” Little is understood about the connectivity ofearthquakes that are not on contiguous faults, but there issome evidence that they come in sequence.
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