U.S. Geological Survey News

Magnitude 5.1 Earthquake Confirmed in Southern Alaska

A magnitude 5.1 earthquake struck southern Alaska, and people reported shaking in Anchorage and surrounding areas, according to officials. The epicenter of Thursday’s quake was 49 kilometers, or 30 miles, northwest of Ninilchik, Alaska, the U.S. Geological Survey said. That …

Magnitude 4.3 Earthquake Shakes North-Central Kansas

A moderate earthquake shook parts of north-central Kansas on Dec. 8 as residents were starting their day, officials said. The U.S. Geological Survey says a magnitude 4.3 earthquake was recorded around 7:45 a.m. Wednesday, with the epicenter just southwest of …

Pair of Earthquakes Confirmed on California’s Central Coast

A pair of earthquakes rattled California’s central coast late Monday afternoon, the U.S. Geological Survey confirmed. A magnitude 4.7 quake hit at 4:42 p.m., centered about 11 miles northwest of San Simeon, according to. At 4:49 p.m., a 3.6 magnitude …

Small Earthquake Confirmed in Southern California

A small earthquake near downtown Los Angeles on Sunday morning was felt widely across Southern California, the U.S. Geological Survey confirmed. The magnitude 3.6 quake hit just after 7 a.m. and was centered about a mile south-southeast of the Boyle …

No Injuries as 4.3M Earthquake Rattles Los Angeles

A small earthquake shook the greater Los Angeles metropolitan area Friday night, the U.S. Geological Survey confirmed. There weren’t any immediate reports of major damage or injuries. The magnitude-4.3 quake struck shortly after 7:58 p.m. and was centered near Carson, …

Explainer: Is Hawaii’s Kilauea Volcano Going to Erupt Again?

The ground at the summit of Kilauea volcano in Hawaii has been rumbling and swelling in recent days, prompting scientists to warn that the mountain could once again disgorge lava. But there’s no indication an eruption is imminent. The volcano, …

M5.1 Earthquake Confirmed off Northern California Coast

A magnitude 5.1 earthquake struck off the Northern California coast late Saturday, the U.S. Geological Survey confirmed. The earthquake just before midnight was about 12 kilometers west of Petrolia in Humboldt County and 56 kilometers southwest of Eureka, according to …

Connecticut Urges Homeowners to Test Wells for Arsenic, Uranium

Connecticut health officials are urging homeowners who rely on well water to have their systems checked for arsenic and uranium contamination. The advice comes as the result of a study by the U.S. Geological Survey released Tuesday that found almost …

M4.0 Earthquake Confirmed in Los Angeles Area

A 4.0 magnitude earthquake gave the Los Angeles area a jolt before dawn Monday, the U.S. Geological Survey confirmed. The 4:44 a.m. quake was centered in the Inglewood area east of Los Angeles International Airport, said. It also was relatively …

Earthquake Warning System Rolling Out in Oregon, Washington

The earthquake early warning system known as ShakeAlert will be capable of delivering alerts directly to wireless devices in Oregon on March 11 and to Washington state in May, completing the West Coast rollout, the U.S. Geological Survey said. The …