Source parameters and crustal Q for four earthquakes in South Carolina
Seismological Research Letters
By: Joe B. Fletcher
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Abstract
Two three-component seismometers (one surface and one borehole) were re-installed on the Savannah River Site (SRS), South Carolina in July 1992 to determine attenuation in the Coastal Plain sediment wedge and source parameters of local earthquakes. Four earthquakes M ~1.8 to 3.6 were recorded during the next 6 months. The largest event was located near Summerville within the meizoseismal area for the 1886 Charleston earthquake. Although source parameters have been determined from strong motion data and short-period regional networks for east coast earthquakes, these are some of the first source parameters determined from broad-band digital recorders. This paper determines source parameters such as moment, stress drop, and the attenuation parameter t* using a non-linear least-squares algorithm. -from Author
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Source parameters and crustal Q for four earthquakes in South Carolina |
| Series title | Seismological Research Letters |
| Volume | 66 |
| Issue | 4 |
| Year Published | 1995 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Seismological Research Letters |
| First page | 44 |
| Last page | 58 |
| Google Analytic Metrics | Metrics page |