The Geology of Delaware

DGS Annual Report

DGS Annual Report of Programs and Activities.

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USGS Real-time Earthquakes Map

The above map shows M1+ earthquakes that occurred in the past 7 days. This data stream is served by the United States Geological Survey. However, the seismic observations are collected from numerous organizations withing the US and around the world. The Delaware Geological Survey is a contributing agency and maintains its own seismic network.

More resources on current earthquake monitoring