Real-time Shaking Maps

for Southern California

ShakeMap: S. Calif. | N. Calif.

ShakeMap example
Maps of measured ground motion (peak velocity and acceleration) obtained from seismic networks, and maps of shaking intensity estimated using these measurements. Maps are posted approximately 5 minutes after California earthquakes of Magnitude 3.5 and larger.

Did You Feel It?

Did You Feel It? example
If you felt an earthquake, add your observations to our database. You can also view live-updated maps displaying accumulated data from your report and others.