Science ❯ Geology ❯ Seismology

Earthquake Magnitude

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

Magnitude 7.0 Earthquake Strikes Near Yakutat, Alaska

Officials report no tsunami threat following the remote quake.

Andalusia Activates Pre-Emergency Seismic Plan After 4.8 Quake Near Fuengirola

M5.8–6.2 Shallow Earthquake Strikes China’s Xinjiang

Series of Small Quakes Rattles Bay Area and Central Coast, Latest a M3.4 Near San Juan Bautista

Small 1.8-Magnitude Earthquake Recorded Near Kingston, N.H.

Magnitude 4.1 Quake Rattles The Geysers Area in Northern California

Shallow 5.5 Quake in Bangladesh Kills at Least 8, Rattles Dhaka

Magnitude 3.6 Quake Reported Near Vallejo With No Immediate Damage

Tsunami Advisories Lifted After Offshore Quakes Off Iwate in Northeast Japan

Tsunami Advisory Lifted After Strong Quake Off Iwate Sends Small Waves Ashore

Afghanistan Earthquake Kills 27, Injures Nearly 1,000 in North

Two Shallow Quakes Jolt Andhra Pradesh and Karnataka With No Damage Reported

At Least 20 Dead After 6.3-Magnitude Quake Strikes Northern Afghanistan

Shallow 4.2 Quake Off Almería Rattles Andalusian Coast

Magnitude 5.4 Quake Rattles Alaska’s Aleutians, No Tsunami Warning

Howard Community College Links Water Main Break to 2.5-Magnitude Columbia Quake

Aftershocks Follow M4.0 Quake Near Montefredane as Schools Close and Inspections Continue

M6.3 Kamchatka Quake Triggers Aftershocks During Asia-Pacific Seismic Flurry

Magnitude 4.7 Quake Shakes Nikko in Tochigi, No Tsunami Expected

Magnitude 3.7 Quake Strikes Afghanistan in Ongoing Seismic Cluster