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 4.2–4.3 Quake Shakes Puget Sound Near Wauna

Officials say the shallow offshore tremor produced light, widely felt shaking and carries a low short-term chance of damaging aftershocks.

3.8-Magnitude Quake Rattles Communities Near Piru in Ventura County

M4.9 Earthquake Rattles Eastern Japan, No Tsunami Threat

Small Offshore Quake Rattles Hermosa Beach Area

Magnitude 3.0 Earthquake Shakes Brentwood Area

Magnitude 3.2 Quake Shakes Compton Area

Magnitude 3.5 Earthquake Strikes Near Larkfield‑Wikiup

3.4-Magnitude Quake Shakes Inland Empire Near Ontario

Small Earthquakes Recorded Near Lake Constance and Neunkirchen

2.2-Magnitude Earthquake Shakes Grimsby

5.9-Magnitude Earthquake Shakes Eastern Japan Early Sunday

5.4-Magnitude Hindu Kush Quake Shakes Islamabad and K‑P

Magnitude 2.6 Earthquake Shakes Taunus Near Bad Schwalbach

New 4.8–4.9 Earthquake Shakes Granada, Spain

4.0-Magnitude Quake Hits Dalbandin in Balochistan

Magnitude‑5 Quake Rattles Granada Area; Emergency Plan Activated

Small Shallow 3.0‑Magnitude Quake Rattles Chamba, Himachal Pradesh

Small Earthquake Rattles Oakland Area, Triggers Transit Safety Checks

4.8-Magnitude Earthquake Rattles Zhob and Chaman

5.5-Magnitude Earthquake Shakes Leh, Ladakh