Environment ❯ Natural Phenomena

Seismic Events

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

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