Surface faulting: A preliminary view
Earthquake Spectra
By: R. V. Sharp
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Abstract
This description of surface faulting near Spitak, Armenia, is based on a field inspection made December 22-26, 1988. The surface rupture west of Spitak, displacement of the ground surface, pre-earthquake surface expressions of the fault, and photolineaments in landsat images are described and surface faulting is compared to aftershocks. It is concluded that the 2 meters of maximum surface displacement fits well within the range of reliably measured maximum surface offsets for historic reverse and oblique-reverse faulting events throughout the world. By contrast, the presently known length of surface rupture near Spitak, between 8 and 13 km, is shorter than any other reverse or oblique-reverse event of magnitude greater than 6.0. This may be a reason to suppose that additional surface rupture might remain unmapped.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Surface faulting: A preliminary view |
| Series title | Earthquake Spectra |
| DOI | 10.1193/1.1585232 |
| Volume | 5 |
| Issue | 1_suppl |
| Year Published | 1989 |
| Language | English |
| Publisher | Earthquake Engineering Research Institute |
| Description | 10 p. |
| First page | 13 |
| Last page | 22 |
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