Definition and introduction
Prompt Assessment of Global Earthquakes for Response (PAGER) is an automated system that produces content concerning the impact of significant earthquakes around the world within approximately 30 min of any magnitude 5.5 or larger event. PAGER rapidly assesses earthquake impacts by comparing populations exposed to estimates of shaking intensity, and models of economic and fatality losses based on past earthquakes in each country or region of the world. The main purpose of the PAGER system is to inform emergency responders, government and aid agencies, and the media to the scope of the potential disaster. Earthquake alerts – which were formerly sent based on event magnitude and location, or population exposure to shaking – are generated based on the estimated range of fatalities and/or economic losses.
The U.S. Geological Survey’s National Earthquake Information Center (NEIC), located in Golden, Colorado, locates over 30,000 earthquakes a year. Tragically,...
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Wald, D.J. (2011). Earthquakes, PAGER. In: Gupta, H.K. (eds) Encyclopedia of Solid Earth Geophysics. Encyclopedia of Earth Sciences Series. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-8702-7_183
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DOI: https://doi.org/10.1007/978-90-481-8702-7_183
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