Science ❯ Geology ❯ Seismology ❯ Earthquake Magnitude

Tectonic Activity

Powerful 7.8 Quake Strikes Off Russia’s Kamchatka, Triggers Tsunami Alerts

Scientists identify it as a major aftershock of July’s 8.8 mainshock.

Magnitude 7.4 Quake Strikes Russia’s Kamchatka as Local Tsunami Threat Issued

Shallow 5.2 Quake Off Euboea Jolts Athens, No Major Damage Reported

Afghanistan Quake Leaves 800–1,100 Dead as Rescuers Struggle to Reach Cut-Off Villages

Sixth Quake in a Week Hits Johor’s Segamat as 2.7 Tremor Recorded

Tsunami Threat Lifted After 7.5 Quake Shakes Drake Passage

Limited Damage Confirmed at Russia’s Rybachiy Nuclear Submarine Base After 8.8-Magnitude Quake

Seven Kamchatka Volcanoes Erupt Concurrently for First Time in 300 Years

3.0-Magnitude Quake Rattles New York Metro From Hasbrouck Heights Epicenter

Pacific Tsunami Warnings Canceled After 8.8-Scale Kamchatka Quake

Aftershocks Continue Following 5.5-Magnitude Quake Off Cabo de Palos

Aftershocks Rattle Southern Spain After 5.5-Magnitude Earthquake Off Almería Coast

4.4-Magnitude Quake Rattles Delhi-NCR from Jhajjar Epicentre

M6.1 Earthquake Strikes Off Philippines’ Sarangani Coast

Two Early-Morning Quakes Hit Manipur; No Damage Reported

Magnitude 6.1 Earthquake Near Kasos Triggers Tsunami Warning

4.1-Magnitude Earthquake Shakes Eastern Tennessee, Felt Across Multiple States

Myanmar Earthquake Death Toll Surpasses 1,700 as Rescue Efforts Face Major Challenges

Myanmar-Thailand Earthquake Death Toll Surpasses 1,600 as Rescue Efforts Continue

4.0 Magnitude Earthquake Jolts Delhi NCR, Prompts Safety Concerns in High-Rises