How to issue and manage public earthquake risk information : lessons from the Parkfield earthquake prediction experiment.

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Reports on a study of public response to efforts to communicate the first scientifically credible earthquake prediction in California. The Parkfield earthquake prediction encompassed seven counties in three communities - Coalinga, Paso Robles, and Taft - were studied. Results of this study can be used by individuals and organisations with responsibilities concerning earthquake research, warnings, and emergency preparedness. Geological and seismological scientists responsible for issuing earthquake predictions can learn how risk information is effectively communicated to the public. State, county and city emergency preparedness staffs responsible for issuing, managing, and responding to earthquake predictions and warnings can employ the findings reported here to enhance the effectiveness of their efforts to increase public earthquake preparedness and hazard mitigation