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John Wesley Powell Center for Analysis and Synthesis

Powell Center Working Group Project Information
Future Opportunities in Regional and Global Seismic Network Monitoring and Science

Principal Investigator(s):
Gavin Hayes (Geologic Hazards Team)
Paul S Earle (Geologic Hazards Team)
Harley M Benz (Geologic Hazards Team)
David J Wald (Geologic Hazards Team)

Award Date: 2019 
Title: The global distribution of earthquakesTitle: Working Group members at Sept 2018 meeting

The past decade has seen improvements in computational efficiency, seismic data coverage, and communication technology - driven by societal expectation for timely, accurate information. While aspects of earthquake research have taken advantage of this evolution, the adoption of improvements in earthquake monitoring has not been fully leveraged. In real-time monitoring, earthquakes are characterized in a vacuum, without building upon our knowledge of past events. New data types may help characterize earthquakes more quickly and accurately. New opportunities exist for rapidly communicating information. With these advances, global seismic monitoring can improve the quality and timeliness of information shared with the public. While we recognize change is necessary, few mechanisms have been available to facilitate such a metamorphosis.

We propose a Powell Center Working Group that tackles these issues by establishing the priorities for future global monitoring efforts, and beginning the implementation of these goals. Perhaps more importantly, we will also build upon the involvement of key earthquake monitoring agencies to improve communication and coordination between these groups, facilitating a lasting and truly global impact to this effort.

Figure: The global distribution of earthquakes, 1900-present, as documented in the USGS/ANSS Comprehensive Earthquake Catalog. Earthquakes are sized by magnitude, and colored according to their depth (white = shallow, black = deep).



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