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ShakeMap: Its Role in Pre-Earthquake Planning and Post-Earthquake Response and Information

by David Wald, C. Bruce Worden, Vincent Quitoriano and James Goltz

Wald, David C., Bruce Worden, Vincent Quitoriano and James Goltz (2002). ShakeMap: Its Role in Pre-Earthquake Planning and Post-Earthquake Response and Information. SMIP02 Seminar on Utilization of Strong-Motion Data, p. 1 - 20.

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Abstract

ShakeMap was designed primarily as a rapid response tool to portray the extent and variation of ground shaking throughout southern California immediately following significant earthquakes. The system now runs throughout California as well as in the Salt Lake City and Seattle areas, and it is being expanded to populated, seismically active regions nationally as resources permit. For rapid response, ShakeMap ground motion values are used for emergency response and loss estimation, assessment of damage to the lifeline and utility networks, and for providing information to the general public. However, ShakeMap can also be used as a pre-earthquake planning tool by generating ground motion estimates for a suite of potential earthquake scenarios. Estimates based on earthquake scenarios can provide a firm basis for loss estimation on a regional scale as well as provide utilities and other users a means of evaluating their emergency response capabilities. This paper will examine the practical applications of ShakeMap in emergency response, engineering, planning, training, and public education considering both current and future applications.