Science ❯ Geology ❯ Seismology

Earthquake Measurement

Magnitude Scale Magnitude Richter Scale US Geological Survey Magnitude Scales Impact Assessment Tsunami Generation USGS Magnitude and Depth Seismic Waves

Magnitude 3.2 Quake Shakes Compton Area

Officials will monitor for aftershocks following a shallow quake on the Newport-Inglewood Fault.

Magnitude 3.5 Earthquake Strikes Near Larkfield‑Wikiup

3.4-Magnitude Quake Shakes Inland Empire Near Ontario

Small Earthquake Rattles Oakland Area, Triggers Transit Safety Checks

6.3-Magnitude Quake Shakes Southern Philippines Near Sarangani

5.1-Magnitude Quake Strikes Upper Siang, Arunachal Pradesh

Powerful Kumamoto Quake Leaves Dozens Dead and Thousands Sheltered as Toll Remains Unclear

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

Magnitude 4.3 Earthquake Strikes Near Cloverdale in Sonoma County

Small Earthquake Shakes Scottish Highlands Near Spean Bridge

Deep Stromboli Shock and Shallow Molise Tremor Recorded by INGV

Magnitude 5.0 Earthquake Strikes Texas Panhandle

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

Venezuela Death Toll Tops 5,000 as Regional Quakes Trigger Warnings

Magnitude 7.3 Earthquake Hits Off Southern Mexico, Triggers Tsunami Alerts

7.3-Magnitude Earthquake Off Southern Mexico Triggers Tsunami Alerts

Earthquake Near Te Anau Triggers Evacuations as Tsunami Warning Is Downgraded

Minor 3.0 Earthquake Shakes Parts of Krishnagiri and Dharmapuri

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

Magnitude-4 Quake Shakes Kern County and Is Felt Across Los Angeles Area