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Earthquakes News

The Hebgen Lake earthquake, magnitude 7.1-7.3, struck southwestern Montana in August 1959, causing significant damage. Photo courtesy of USGS.

Strange Earthquakes

August 31, 2015

It’s not a huge mystery why Los Angeles experiences earthquakes. The city is right along a boundary between two tectonic plates — they shift, we shake. But what about places that aren’t along tectonic plate…

Material from landslides is filling up riverbeds with sediment. Photo by Greg Willis.

Quakes, Landslides, Now Floods?

July 28, 2015

For Nepal, the hits just keep coming. It started with a magnitude 7.8 earthquake in April, which led to aftershocks that are ongoing even now. All of the shaking triggered what are estimated to be more than 5,000 landslides,…

Freeway collapses were among the damage from the 1994 Northridge quake, caused by a previously unknown fault. Photo courtesy of FEMA, by Robert Eplett.

Little-known Faults

June 1, 2015

Beneath Los Angeles rise peaks of staggering height — an unnamed mountain range standing nearly 2 miles tall. Though they rival the San Gabriels in stature, you can’t see them: They’re hidden beneath…

An overpass that collapsed on Highway 10 (now SR 42) in the Northridge/Reseda area at the epicenter of the earthquake in 1994. Since the quake, the Southern California Earthquake Center, based at USC Dornsife, has created a clearer picture of earthquake risks faced by regions throughout Southern California.

Strides in Earthquake Science

January 17, 2014

Twenty years ago, a fault that scientists didn’t even know existed slipped, triggering a massive 6.7 magnitude earthquake centered beneath the San Fernando Valley, with shockwaves rippling throughout the greater Los…

Professor of Earth Sciences Thorsten Becker has been awarded a 2013 Friedrich Wilhelm Bessel Research Award. He will use the award to continue his research on the dynamics of earthquake faults in Potsdam, Germany. Photo by Michelle Boston.

Finding Fault

November 20, 2013

Thorsten Becker, professor of earth sciences, has won a 2013 Friedrich Wilhelm Bessel Research Award, granted by the Alexander von Humboldt Foundation. The award will support his continued research in Potsdam, Germany, on the…

The Shake Down

The Shake Down

August 1, 2007

The Los Angeles basin appears to be in a seismic “lull” characterized by relatively smaller and infrequent earthquakes, according to a study in the September issue of Geology. By contrast, the Mojave Desert is in…