earthquake News

USGS: Small Quakes Jolt Southern California Suburbs

A small earthquake rattled a populated swath of Southern California but there were no reports of damage or injury. The U.S. Geological Survey says the magnitude 3.0 quake hit at 12:17 a.m. Tuesday about a mile from Yorba Linda in …

Anniversary of Napa Earthquake a Reminder to Be Prepared

This post is part of a series sponsored by California Earthquake Authority.  It seems like forever ago, but nearly two years after a magnitude 6.0 earthquake struck Napa, Calif., the Napa County Board of Supervisors has announced that it is …

Oregon University Confidently Building $50M Center in Tsunami Zone

Oregon State University is moving ahead with plans to build a $50 million expansion to house its marine science initiative in a tsunami inundation zone in Newport despite warnings from a state geologist that the site could make it vulnerable …

Series of Small Quakes Hit Rural Northern California Area

A series of small earthquakes rattled a rural area of Northern California overnight. The U.S. Geological Survey says a magnitude-4.7 quake struck at 9:55 p.m. Wednesday about 20 miles east of Janesville in Lassen County. It was followed within minutes …

Washington Doesn’t Do Enough to Protect Schools from Quakes: Report

More than 380,000 students in Washington state live in earthquake-prone areas and attend schools built before seismic construction standards were adopted statewide, according to a Seattle Times report. The newspaper, analyzing state data, also reported that more than 31,000 students …

Minor Quake Shakes Remote California Farm Country

A minor earthquake has shaken farmland in California’s Imperial County south of the Salton Sea. The U.S. Geological Survey says the 5:55 a.m. Thursday quake had a preliminary magnitude of 3.7 and was centered four miles south of the city …

Quake Rattles Portions of North Central Oklahoma

An earthquake has rattled part of north central Oklahoma. The U.S. Geological Survey says a 3.1 magnitude earthquake was recorded at 12:32 p.m. Sunday about five miles northwest of Yale in Payne County. The earthquake was recorded at a depth …

Map Shows Buildings That May Not Survive Quake in Oregon’s Largest City

Portland, Ore. officials have released a map and database showing about 1,800 unreinforced masonry buildings that may be vulnerable to shaking during an earthquake if they are not structurally retrofitted. These buildings were generally constructed before the 1960s using brick …

Oregon Transportation Needs Include Preparing for Earthquake Damage

A major fault off the Oregon Coast is expected to produce an earthquake, and transportation officials say preparing for that event needs to be a top priority. The Medford Mail Tribune reported a Cascadia Subduction Zone event tops the needs …

Magnitude 4.6 Quake Hits Central Alaska, Officials Say

A magnitude 4.6 earthquake rattled central Alaska over the weekend, officials confirmed. The U.S. Geological Survey says the temblor struck at about 3:30 a.m. Saturday, and was centered 110 miles northwest of Anchorage at a depth of 78 miles. Police …