Generalized law for aftershocks

Robert Shcherbakov, John B. Rundle, Donald L. Turcotte, AGU

A generalized law for aftershock decay rates is provided through the combination of the Gutenberg-Richter frequency magnitude relation, Bath's law, and the modified Omori's law. Several large quakes with readily identified aftershocks were studied. Results indicate that aftershock decay rates depended on several parameters specific to each seismic region. It was found that the law can be used to forecast the rate of aftershock occurrence after specific information about the main shock's magnitude and the area's land is known.

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Subject: Environmental Science:Natural Hazards:Earthquakes
Resource Type: Scientific Resources:Overview/Reference Work:AGU Highlights
Special Interest: Hazards
Theme: Teach the Earth:Teaching Topics:Earthquakes, Teach the Earth:Incorporating Societal Issues:Hazards, Teach the Earth:Course Topics:Environmental Science