Earthquake and bay: Response of Monterey Bay to the Loma Prieta Earthquake

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Abstract

The magnitude-7.1 Loma Prieta earthquake, which ruptured a segment of the San Andreas fault on October 17, 1989, and caused extensive damage over a large area of central California, also produced substantial motions in nearby Monterey Bay (Figure 1). Earthquake effects included a tsunami, or seismic sea wave, and subsequent surface water oscillations that were detected for about 24 hours following the main shock and widespread, substantial slumping of sediments on the Monterey Bay continental shelf and along the walls of Monterey Submarine Canyon.

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