Today in Earthquake History

On October 16th...

M7.1 - Hector Mine, California, 1999

Four people slightly injured when an Amtrak train derailed near Ludlow. Damage (VII) at Landers, Ludlow, Twentynine Palms and Twentynine Palms Marine Corps Base. Slight damage (VI) at Amboy, Apple Valley, Baker, Barstow, Big Bear Lake, Cima, Crest Park, Desert Center, Essex, Fawnskin, Fort Irwin, Hemet, Highland, Hinkley, Joshua Tree, Lucerne Valley, Newberry Springs, Olancha, Palm Springs, Phelan, Ridgecrest, Tecopa, Thousand Palms and Victorville. Also slight damage (VI) at Laughlin, Nevada. Felt (V) at many localities in southern California, southern Nevada and western Arizona. Also felt at Ensenada, Mexicali, Tecate and Tijuana, Baja California. Surface faulting observed along a 45-kilometer segment of the Lavic Lake Fault with as much as 2.8-4.7 meters of right-lateral displacement. Complex earthquake begins with tiny precursor followed by major events about 4 and 7 seconds after the onset.

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