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Open-File Report 02-37

Felt Reports and Intensity Assignments for Aftershocks and Triggered Events of the Great 1906 California Earthquake

By Aron J. Meltzner and David J. Wald

Thumbnail of and link to report PDF (2.3 MB)Abstract

The San Andreas fault is the longest fault in California and one of the longest strikeslip faults in the world, yet little is known about the aftershocks following the most recent great event on the San Andreas, the M 7.8 San Francisco earthquake, on 18 April 1906. This open-file report is a compilation of first-hand accounts (felt reports) describing aftershocks and triggered events of the 1906 earthquake, for the first twenty months of the aftershock sequence (through December 1907). The report includes a chronological catalog. For the larger events, Modified Mercalli intensities (MMIs) have been assigned based on the descriptions judged to be the most reliable.

First posted October 31, 2002

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    ASCII versions of the text and supporting materials for US Geological Survey Open-File Report, entitled Felt Reports and Intensity Assignments for Aftershocks and Triggered Events of the Great 1906 California Earthquake.

For additional information, contact:
Earthquake Science Center, Menlo Park
U.S. Geological Survey
345 Middlefield Road MS 977
Menlo Park, California 94025

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Suggested citation:

Meltzner, Aron J. and Wald, David J., 2002, Felt Reports and Intensity Assignments for Aftershocks and Triggered Events of the Great 1906 California Earthquake: U.S. Geological Survey Open-File Report 02-37, 301 pp., https://pubs.usgs.gov/of/2002/0037/.



 


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