Characterizing an "uncharacteristic" ETS event in northern Cascadia
Geophysical Research Letters
By: Kelin Wang, Herb Dragert, Honn Kao, and Evelyn Roeloffs
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Abstract
GPS and borehole strainmeter data allowed the detection and model characterization of a slow slip event in northern Cascadia in November 2006 accompanying a brief episode of seismic tremor. The event is much smaller in area and duration than other well-known ETS events in northern Cascadia but is strikingly similar to typical ETS events at the Nankai subduction zone. The 30-45 km depth range and the 2-3 cm slip magnitude as interpreted for this event appear to be common to most ETS events in these two subduction zones, regardless of their sizes. We infer that the Nankai-type small ETS events must be abundant at Cascadia and that ETS events at the two subduction zones are governed by a similar physical process.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Characterizing an "uncharacteristic" ETS event in northern Cascadia |
| Series title | Geophysical Research Letters |
| Volume | 35 |
| Year Published | 2008 |
| Language | English |
| Publisher | American Geophysical Union |
| Publisher location | Washington, D.C. |
| Contributing office(s) | Earthquake Science Center |
| Description | 5 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geophysical Research Letters |
| First page | L15303 |
| Country | United States |
| Other Geospatial | Northern Cascadia |
| Google Analytic Metrics | Metrics page |