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U.S. Geological Survey
Open-File Report 2008-1121
Version 1.0

Modified Mercalli Intensity Maps for the 1868 Hayward Earthquake Plotted in ShakeMap Format

By John Boatwright and Howard Bundock

This website presents Modified Mercalli Intensity maps for the Hayward earthquake of October 21, 1868.

Summary Report

MMI Intensity Maps

Spreadsheet of 1868 Intensity Sites

Resistance of Pioneer Masonry and Mexican Adobe Structures

Inferring Shaking Intensities at Cemeteries that have Suffered Multiple Damaging Earthquakes

Descriptions of Damage and Felt Reports for All Sites



For questions about the content of this report, contact Jack Boatwright.

Version history

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Maintained by: Michael Diggles
Date created: April 15, 2008
Date last modified: July 12, 2011 (mfd)