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Explore 2 published pages tagged with 1971 Sylmar Earthquake, grouped automatically from article text, entity focus, and recurring topical signals.
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earthquakes
The Sylmar earthquake is dated to 1971 , specifically on February 9, 1971 , at about 6:00 am local time. Officially known as the San Fernando earthquake, it ruptured near the Sa...
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The 1971 Sylmar earthquake struck the San Fernando Valley region of Los Angeles on February 9, 1971. Strong shaking typically lasted 12 to 15 seconds , with the ground motion pe...
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