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Earthquake Science Center

The Earthquake Science Center has been the flagship research center of the USGS in the western United States for more than 50 years. It is the largest USGS research center in the West and houses extensive laboratories, scientific infrastructure, and research facilities.

News

Ozette Lake: A natural seismograph along the northern Cascadia Subduction Zone (Video)

Ozette Lake: A natural seismograph along the northern Cascadia Subduction Zone (Video)

Earthquake swarms in California: What’s the difference between magmatic and tectonic? 

Earthquake swarms in California: What’s the difference between magmatic and tectonic? 

Even small lakes can tell big earthquake stories in the Yellowstone region

Even small lakes can tell big earthquake stories in the Yellowstone region

Publications

Site response models based on geometric parameters for southern California sedimentary basins Site response models based on geometric parameters for southern California sedimentary basins

Site response in sedimentary basins is influenced by complex three-dimensional (3D) features, including trapping of seismic waves, focusing of seismic energy and basin resonance. Current ground motion models (GMMs) incorporate basin effects using one-dimensional parameters like VS30 and shear wave velocity isosurface depths, which are limited in capturing lateral and 3D effects. To...
Authors
Rashid Shams, Chukwuebuka C. Nweke, Grace Alexandra Parker

Earthquake catalog for the Fairbanks region of central Alaska, 2014–2024, based on waveform cross-correlation Earthquake catalog for the Fairbanks region of central Alaska, 2014–2024, based on waveform cross-correlation

The Fairbanks region of central Alaska is part of a broad zone of intraplate crustal deformation, situated north of the Denali fault and north of the ongoing collision and flat‐slab subduction of the Yakutat oceanic plateau. Seismicity in the Fairbanks region occurs both in diffuse areas as well as in well‐defined lineaments, such as the left‐lateral Salcha fault, which hosted the 1937...
Authors
Nealey E. Sims, Carl Tape, Natalia A. Ruppert, Michael E. West
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