Science ❯Geology ❯Seismology ❯Earthquake Magnitude

Impact Assessment

Rare 4.5-Magnitude Earthquake Shakes South Texas

Northern California Tsunami Alert Exposes Emergency Response Gaps

Magnitude 6.2 Earthquake Hits Off Costa Rica's Pacific Coast

4.7 Magnitude Earthquake Jolts Southern California

Japan Issues First-Ever Megaquake Alert Following M7.1 Earthquake

4.9-Magnitude Earthquake Shakes Southern California