Environment ❯ Natural Phenomena

Seismic Events

Impact on Communities Monitoring Systems Tectonic Activity Earthquakes Earthquake Monitoring Impact Assessment Regional Activity Pacific Ring of Fire Ring of Fire Tsunami Warnings Earthquake Magnitude Earthquake Effects Tsunami Alerts Earthquake Reports Earthquake Swarms

Magnitude 4.1 Quake Rattles The Geysers Area in Northern California

A shallow event triggered an immediate 2.8 aftershock in the same area.

USGS Reports Magnitude 5.2 Quake Off Aleutians With No Tsunami Warning

Seven Shallow Earthquakes Strike Morris County in 18-Hour Swarm