Earthquakes

Significant Earthquakes Past 30 Days

Today’s Earthquake Fact

The Richter magnitude scale was developed in 1935 by Charles F. Richter of the California Institute of Technology as a mathematical device to compare the sizes of earthquakes.

Today in Earthquake History

calendar
			icon

April 26, 1992
M 6.5, 6.7, California – 07:41:39 This earthquake caused additional damage in the Ferndale, Fortuna and Petrolia areas. A fire caused by a broken gas main… Read More

Magnitude 2.5+ Earthquakes Past Day

Real-time & Historical Earthquake Information

Significant Earthquake Archive

Errata for Latest Earthquakes