Science ❯ Geology ❯ Seismology ❯ Earthquake Measurement

Magnitude Scale

Afghan Quake Death Toll Climbs to 2,205 as Aftershocks Hamper Rescue

A severe funding crunch is constraining lifesaving aid for tens of thousands of survivors.

Fresh Low-Magnitude Quakes Reported Across Mexico as SASMEX Stays Silent

North America Logs Routine Seismic Activity as Mexico’s Deep M4.0 Triggers No Alert

Shallow 2.8 Quake Near Strathalbyn Rattles Adelaide Hills

Strong 7.5 Quake Jolts Drake Passage; Chile Briefly Warned for Tsunami

4.2-Magnitude Quake Near Huixtla Marks Latest in Mexico’s Routine Seismic Activity

Second Quake in Three Days Rattles New Jersey and New York City

Magnitude 3.0 Earthquake Rattles New York Metro, No Damage Reported

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

Krasheninnikov Volcano Erupts for First Time in 600 Years as Kamchatka Aftershocks Persist

Magnitude 4.0 Earthquake Strikes West of Haida Gwaii

Most Pacific Tsunami Warnings Lifted After 8.8 Kamchatka Quake

Tsunami Warnings Downgraded After Magnitude-8.8 Quake Off Kamchatka

Pacific Tsunami Warnings Canceled After 8.8-Scale Kamchatka Quake

Magnitude 6.3–6.5 Quake Jolts Bay of Bengal Near Andaman and Nicobar Islands

Ukraine Curtails Independence of Anti-Corruption Agencies with New Law

Two Moderate Earthquakes Strike Eastern Indonesia With No Casualties

Southern Guatemala Quake Series Claims Seven Lives, Displaces Over 2,400

Magnitude 4.6 Earthquake Shakes Campi Flegrei, Strongest in Four Decades

Up to 6.1-Magnitude Quake Strikes Off Hokkaido Coast