Three-dimensional records of surface displacement on the Superstition Hills fault zone associated with the earthquakes of 24 November 1987
Bulletin of the Seismological Society of America
By: R. V. Sharp and J.L. Saxton
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Abstract
Seven quadrilaterals, constructed at broadly distributed points on surface breaks within the Superstition Hills fault zone, were repeatedly remeasured after the pair of 24 November 1987 earthquakes to monitor the growing surface displacement. Changes in the dimensions of the quadrilaterals are recalculated to right-lateral and extensional components at millimeter resolution, and vertical components of change are resolved at 0.2 mm precision. The displacement component data for four of the seven quadrilaterals record the complete fault movement with respect to an October 1986 base. These data fit with remarkable agreement the power law
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Three-dimensional records of surface displacement on the Superstition Hills fault zone associated with the earthquakes of 24 November 1987 |
| Series title | Bulletin of the Seismological Society of America |
| DOI | 10.1785/BSSA0790020376 |
| Volume | 79 |
| Issue | 2 |
| Year Published | 1989 |
| Language | English |
| Publisher | Seismological Society of America |
| Description | 14 p. |
| First page | 376 |
| Last page | 389 |
| Country | United States |
| State | California |
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