Slow-Slip Event
Slow-Slip Event : Aseismic slip (no seismic waves are generated) on the subduction interface downdip from the seismogenic zone. Slow slip-events are detected by measuring crustal deformation with dense GPS or tiltmeter networks. Estimates of the time span for these events range from 6 to 15 days in the Cascadia subduction zone (Dragert et al. 2001). Recurrence rate for these events ranges from 13 to 16 months (Cascadia) to approximately six month in southwest Japan (Obara et al., 2004). Slow slip-events events appear to coincide with the occurrence of major nonvolcanic tremor activities. See also creep, creep event, silent earthquake, non-volcanic tremor, episodic tremor and slip
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