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News From the Field

Analysis of major earthquakes supports stress reduction assumptions


February 14, 2018

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A comprehensive analysis of 101 major earthquakes around the Pacific Ring of Fire between 1990 and 2016 shows that most of the aftershock activity occurred on the margins of the areas where the faults slipped a lot during the main earthquakes. The findings support the idea that the area of large slip during a major earthquake is unlikely to rupture again for a substantial time.Full Story

Source
University of California, Santa Cruz

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