ASDSO Dam Safety Toolbox

Background Seismicity

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Background zones and gridded seismicity are also types of areal sources. Background zones are used to model events that occur off of the known faults. Gridded seismicity uses a method of estimating activity rates and b-values by smoothing seismicity over a large region and assigning values to very small zones (or grids).


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Revision ID: 5763
Revision Date: 12/14/2022