Static stress change from the 8 October, 2005 M = 7.6 Kashmir earthquake
Geophysical Research Letters
By: T. Parsons, R.S. Yeats, Y. Yagi, and A. Hussain
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Abstract
We calculated static stress changes from the devastating M = 7.6 earthquake that shook Kashmir on 8 October, 2005. We mapped Coulomb stress change on target fault planes oriented by assuming a regional compressional stress regime with greatest principal stress directed orthogonally to the mainshock strike. We tested calculation sensitivity by varying assumed stress orientations, target-fault friction, and depth. Our results showed no impact on the active Salt Range thrust southwest of the rupture. Active faults north of the Main Boundary thrust near Peshawar fall in a calculated stress-decreased zone, as does the Raikot fault zone to the northeast. We calculated increased stress near the rupture where most aftershocks occurred. The greatest increase to seismic hazard is in the Indus-Kohistan seismic zone near the Indus River northwest of the rupture termination, and southeast of the rupture termination near the Kashmir basin.
Suggested Citation
Parsons, T., Yeats, R., Yagi, Y., Hussain, A., 2006, Static stress change from the 8 October, 2005 M = 7.6 Kashmir earthquake: Geophysical Research Letters, v. 33, no. 6, https://doi.org/10.1029/2005GL025429.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Static stress change from the 8 October, 2005 M = 7.6 Kashmir earthquake |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/2005GL025429 |
| Volume | 33 |
| Issue | 6 |
| Publication Date | March 21, 2006 |
| Year Published | 2006 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geophysical Research Letters |