Possible control of subduction zone slow-earthquake periodicity by silica enrichment

Pascal Audet () and Roland Bürgmann
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Pascal Audet: University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
Roland Bürgmann: University of California

Nature, 2014, vol. 510, issue 7505, 389-392

Abstract: Seismic data from subduction zones that exhibit slow earthquakes reveal that the ratio of compressional-wave to shear-wave velocity of the overriding forearc crust is linearly related to the average recurrence time of slow earthquakes and that this may be associated with quartz enrichment within the forearc crust.

Date: 2014
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DOI: 10.1038/nature13391

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