Seismological Laboratory

Recent Local Earthquakes

11/16/2024, M3.5 near Fontana
11/10/2024, M3.6 near Desert Center
10/28/2024, M3.6 near Lompoc

Recent World Earthquakes

M 3.4 - 147 km NNW of Charlotte Amalie, U.S. Virgin Islands
M 4.1 - 272 km WSW of Tual, Indonesia
M 4.3 - 37 km SSW of El Papayo, Mexico

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Caltech's Seismological Laboratory, an arm of the Division of Geological and Planetary Sciences (GPS), was established in 1921. It has a distinguished history of leadership in science and serving the public interest. Internationally recognized for excellence in geophysical research and academics and home to outstanding facilities in seismic networks and mineral physics, the Seismo Lab is an ideal place for study and research. The Lab serves as a focal point for earthquake information in Southern California and the world.