Science ❯ Geology ❯ Seismology

Earthquake Magnitude

Tectonic Plates Seismic Waves Tectonic Activity Impact Assessment Aftershocks Tsunami Generation Seismic Activity Tsunami Formation Richter Scale Tsunami Alerts

7.7-Magnitude Earthquake Strikes Off Flores, Killing Dozens

Rescue teams face blocked roads, power cuts, repeated tremors that hinder access to remote villages and slow casualty and damage assessments.

Powerful 7.7 Quake Strikes Eastern Indonesia, Rescuers Report Dozens Dead

7.4‑Magnitude Quake Kills About 250 People in Western Colombia

Multiple Mid-4 Quakes Shake Covelo Area

Small 2.3-Magnitude Quake Rattles Lilburn and Parts of Metro Atlanta

Powerful Kumamoto Quake Topples Mall and Traps Dozens

Two Shallow Quakes Strike Qinghai’s Xinghai County 18 Minutes Apart

5.8-Magnitude Quake Reported on New Zealand’s North Island

Magnitude 5.0 Earthquake Strikes Texas Panhandle

Twin Quakes Strike Junín, Killing At Least Five and Destroying Dozens of Homes

5.6 Magnitude Earthquake Strikes Offshore Near Port Hardy, B.C.

7.3‑Magnitude Quake Strikes Off Chiapas Coast and Triggers Local Tsunami Warnings

Earthquake Near Te Anau Triggers Evacuations as Tsunami Warning Is Downgraded

M6.2 Earthquake Strikes Southern Mindanao as Agencies Disagree on Depth

Magnitude 3.5 Tremor Hits Hingoli District

Multiple Small Earthquakes Strike Near Covelo, Including a 4.2 Tremor

M6.2 Earthquake Strikes Offshore Halmahera, Indonesia

Double 7.2 and 7.5 Quakes Ravage Venezuela, Killing About 235

3.6 Magnitude Quake Shakes Campi Flegrei With Epicenter in Arco Felice

Twin Magnitude 7+ Earthquakes Rock Venezuela