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Earthquake Magnitude

Seismic Activity Richter Scale Tectonic Plates Seismic Waves Aftershocks Tsunami Risk Seismic Alerts Impact on Residents Impact of Earthquakes Epicenter Analysis 4.8 Magnitude Impact Assessment M7.5 Earthquake Seismic Events Epicenter Location Measurement Geological Phenomena Magnitude 4.0 Shallow vs Deep Earthquakes Seismic Zones Magnitude 1.3 Tsunami Warnings Seismic Risk Historical Earthquakes Tsunami Seismic Measurements Shallow Earthquakes Seismic Monitoring Tsunamis Aftershock Analysis Taiwan Earthquake

USGS Confirms Two Minor Quakes in Southern New England on Wednesday

No damage or aftershocks were reported.

Magnitude 5.9 Earthquake Strikes Off Oregon Coast With No Tsunami Threat