Slow-Slip Earthquakes (IMAGE)

California Institute of Technology

Slow-Slip Earthquakes

Caption

GPS stations reveal activity beneath Cascadia where the oceanic floor slides beneath North America. The plate interface is locked at shallow depths (the shaded area), but we see recurring slow-slip events (in blue) that unzip the plate interface, generating tremors (the black dots).

Credit

Jean-Philippe Avouac/Caltech

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