Santa Clarita Valley History In Pictures

Feb. 9, 1971 'Sylmar' Earthquake
Instrumental Intensity Map

The so-called "Sylmar" earthquake of Tuesday, Feb. 9, 1971, was actually centered in Iron Canyon, in the Sand Canyon area of Canyon Country, as seen on this official instrumental intensity map. It struck at 6:00:41 a.m. and measured 6.7 on the Richter scale (revised to 6.6).


LW7102: 9600 dpi jpg from 72 dpi gif
EARTHQUAKE 2-9-1971

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USDA Film 1971


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Iron Canyon Epicenter

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Main Shock & Aftershocks

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Fault Diagram (Scroll Down on Page)

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6.0+ SoCal Quakes 1912-1971

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Freeway Damage x8

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Doobie Brothers Cover Art

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