Science ❯ Geology ❯ Seismology ❯ Earthquake Magnitude

Tsunami Formation

Two Small Quakes Rattle Greater Belo Horizonte, Epicenter in Contagem

Seismology centers measured magnitudes 2.9 and 2.5 as officials reported no injuries or structural damage.

Tsunami Threat Lifted After 7.5 Quake Shakes Drake Passage

Tsunami Warnings Downgraded After Magnitude-8.8 Quake Off Kamchatka

Pacific Tsunami Warnings Canceled After 8.8-Scale Kamchatka Quake

Tsunami Watches Lifted After Magnitude 7.4 Quake Sequence Off Kamchatka Peninsula

7.3-Magnitude Earthquake Off Alaska Coast Triggers Brief Tsunami Warnings

Tsunami Advisory Canceled After 7.3 Magnitude Quake Off Alaska Peninsula

Magnitude 6.1 Earthquake Near Kasos Triggers Tsunami Warning

Chile Downgrades Tsunami Alert After 7.4 Earthquake in Drake Passage

Evacuation Orders Lifted After Powerful Earthquake Near Southern South America

6.6 Magnitude Earthquake Strikes Southwestern Japan, Tsunami Advisory Lifted

Northern California Tsunami Alert Exposes Emergency Response Gaps