The Parkfield-Cholame, California, earthquakes of June-August, 1966; instrumental seismic studies
Crustal Studies Technical Letter
1
Menlo Park Science Center
By: Jerry P. Eaton
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Abstract
U.S. Geological Survey instrumental seismic studies in the Parkfield-Cholame area consist of three related parts that were undertaken as pilot studies in a program designed to develop improved tools and concepts for investigating the properties and behavior of the San Andreas fault. These studies include: 1. The long=term monitoring of the seismic background on the San Andreas fault in Cholame Valley by means of a short-period Benioff seismograph station at Gold Hill. 2. The investigation of the geometry of the zone of aftershocks of the June 27 earthquakes by means of a small portable cluster of short-period, primarily vertical-component seismographs. 3. The seismic-refraction calibration of the region enclosing the aftershock source by means of three short reversed refraction profiles and a "calibration shot" near the epicenter of the main June 27 earthquake. This brief report outlines the work that has been completed and presents some preliminary results obtained from analysis of records from Gold Hill and the portable cluster.
Suggested Citation
Eaton, J.P., 1967, The Parkfield-Cholame, California, earthquakes of June-August, 1966; instrumental seismic studies: Crustal Studies Technical Letter 1, iv, 26 p., https://doi.org/10.3133/70039125.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Unnumbered Series |
| Title | The Parkfield-Cholame, California, earthquakes of June-August, 1966; instrumental seismic studies |
| Series title | Crustal Studies Technical Letter |
| Series number | 1 |
| DOI | 10.3133/70039125 |
| Year Published | 1967 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | Earthquake Science Center |
| Description | iv, 26 p. |
| Country | United States |
| State | California |
| Online Only (Y/N) | Y |