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Cascadia Episodic Tremor and Slip Event


The next Cascadia Episodic Tremor and Slip Event is predicted to begin between late October 2006 and late January 2007 (95% confidence limits). A few bursts of tremor lasting three to four days have been reported by the Pacific Northwest Seismic Network and the Pacific Geoscience Centre since November 8, 2006 but the expected event, usually associated with 10 to 20 days of continuous tremor, has not happened yet. Strain anomalies have been noted beginning November 4, 2006 but these could well be caused by the record rainfall which occurred in the area at that time. PBO continues to monitor the Olympic Peninsula strainmeters for any transients that may be associated with the ETS events.

Last modified: Sunday, 11-May-2014 18:01:15 UTC


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