U.S. Geological Survey News

California, Pacific Northwest Schools Get $4M for Earthquake Early Warning Systems

The U.S. Geological Survey has awarded $4 million to four universities in the Pacific Northwest and California to boost the development of earthquake early warning systems. The University of Washington, the University of Oregon, the California Institute of Technology and …

Earthquake Shakes Alaska’s Aleutian Islands

The U.S. Geological Survey is reporting no damage from a strong earthquake that rocked Alaska’s Aleutian Islands. The quake struck at 8:49 p.m. Sunday and was centered 45 miles southwest of the village of Nikolski (nih-KOHL’-skee) at a depth of …

4.4M Northern Oklahoma Earthquake Rattles State

A magnitude 4.4 earthquake centered in northern Oklahoma has shaken the state, with reports of it being felt hundreds of miles away. The U.S. Geological Survey reported the July 20 quake happened at about 3:20 p.m., with the epicenter located …

M4.0 Quake Shakes San Francisco Bay Area

Authorities say a magnitude 4.0 earthquake has rattled the San Francisco Bay Area, but no injuries or property damage is reported. The U.S. Geological Survey says the quake hit shortly after 2:30 a.m. Tuesday near Fremont, about 35 miles southeast …

Small Earthquake Strikes Northern California over Weekend

A small earthquake has struck near the mountain town of Truckee in Northern California. The U.S. Geological Survey says the magnitude-3.5 quake occurred about 6:36 p.m. Saturday. The epicenter was 9 miles northwest of Truckee and 24 miles west of …

Small Quake Shakes Central Oklahoma

An earthquake has rattled part of central Oklahoma. The U.S. Geological Survey says the 2.8 magnitude earthquake was recorded about 8:13 a.m. Sunday about four miles east-southeast of Jones in Oklahoma County. Geologists say the temblor occurred at a depth …

M4.2 Quake Hits Oregon, No Reported Damage

Some Oregonians woke on the Fourth of July to a significant jolt when a magnitude 4.2 earthquake struck near Springfield and Eugene. Hundreds of people reported to the U.S. Geological Survey that they felt the quake, which struck at 8:42 …

M5.8 And M5.5 Quakes Strike Off Oregon Coast, No Damage

Two sizeable earthquakes struck off the coast of Oregon on Monday but officials say no tsunamis were triggered. A magnitude 5.8 earthquake struck at 12:52 a.m. and a second quake measuring magnitude 5.5 hit at 4:46 a.m. Monday morning. Paul …

Small Earthquake Rattles Southern California Desert

The U.S. Geological Survey says a light earthquake struck Southern California on Sunday morning. The magnitude 4.1 quake occurred at 6:02 a.m. Sunday at a depth of about 7 miles. The quake was located about 7 miles northeast of Borrego …

M3.3 Quake Shakes Part of Northern Oklahoma

Parts of northern Oklahoma have been shaken by an earthquake. The U.S. Geological Survey says the magnitude 3.3 temblor was recorded at 10:20 a.m. Sunday less than 11 miles southeast of Tonkawa in Kay County near the Kansas border. Geologists …