California Earthquakes

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features > > > earthquakes > > > California

The Hector Mine Earthquake, October 16, 1999

At 2:46am local time, a magnitude 7.1 earthquake struck a remote area of the Mojave Desert, approximately 100 miles east of Los Angeles. Luckily for most people, the area is sparsely populated. Luckily for geologists, the quake passed through an area where the quake's motion left clear evidence!

View along the main rupture zone.
[click on picture to see full-size]

Ground view along surface rupture showing soil fracturing.
[click on picture to see full-size]

Aerial view showing maximum observed lateral displacement along the fault -- here, 3.7-4.8 meters!
[click on picture to see full-size]

Index map of recent California quakes.
[click on picture to see full-size]

Credit: All photos by Paul "Kip" Otis-Diehl, USMC, 29 Palms

For more information about this quake, try these sites:

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