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150th Anniversary of the 1857 San Andreas Earthquake
Science Briefing and Dare to Prepare Campaign Kickoff 20xNorthridge.png (828 KB) This image shows how a great earthquake on the San Andreas will be as long as 20 Northridge-sized faults laid end-to-end. 20xNorthridge.mov (2.4 MB Quicktime) Animation showing the potential length of a southern San Andreas fault rupture starting near Salton Sea and progressing northward past Palmdale. SanAndreasHistory.png (328 KB) History of very large earthquakes on the San Andreas fault. SanAndreasvelocitymag.png (784 KB) Earthquake shaking caused by earthquake on southernmost San Andreas fault, at 93 seconds after the start of the earthquake. SanAndreasCumulativePGV.png (680 KB) Earthquake shaking caused by earthquake on southernmost San Andreas fault, showing the greatest intensity of shaking at each point. Cumulative Peak Velocity Magnitude (3 MB Quicktime) Instantaneous Velocity Magnitude (36.3 MB Quicktime) |
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