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Larry Braile AS-1 Workshop, September, 2008 San Francisco Bay Area Earthquake Ground Motion Simulations

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Presentation on theme: "Larry Braile AS-1 Workshop, September, 2008 San Francisco Bay Area Earthquake Ground Motion Simulations"— Presentation transcript:

1 Larry Braile AS-1 Workshop, September, 2008 San Francisco Bay Area Earthquake Ground Motion Simulations http://web.ics.purdue.edu/~braile/new/BayAreaEqSimulations.ppt

2 2004 USGS Map: Earthquakes and Faults in the San Francisco Bay Area

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4 Timeline of Shaking in the San Francisco Bay area (Simulations from Brad Aagaard, USGS) 1.7 seconds: Shaking starts on western edge of the city of San Francisco. http://earthquake.usgs.gov/regional/nca/1906/simulations/

5 Timeline of Shaking in the San Francisco Bay area 1.7 seconds: Shaking starts on western edge of the city of San Francisco.

6 Timeline of Shaking in the San Francisco Bay area 2.6 seconds: Strong shaking begins on western edge of San Francisco.

7 Timeline of Shaking in the San Francisco Bay area 3.4 seconds: Strong shaking begins at San Francisco City Hall.

8 Timeline of Shaking in the San Francisco Bay area 4.9 seconds: Shaking begins in the city of Oakland.

9 Timeline of Shaking in the San Francisco Bay area 6.2 seconds: Strong shaking begins in the city of Oakland.

10 Timeline of Shaking in the San Francisco Bay area 9.0 seconds: Shaking begins in the Palo Alto area.

11 Timeline of Shaking in the San Francisco Bay area 13.0 seconds: Shaking begins in San Jose and Livermore.

12 Timeline of Shaking in the San Francisco Bay area 16.0 seconds: Shaking,Santa Cruz. Strong shaking close to Santa Rosa.

13 Timeline of Shaking in the San Francisco Bay area 21.0 seconds: Strong shaking begins in San Jose

14 Timeline of Shaking in the San Francisco Bay area 30.0 seconds: Strong shaking has enveloped entire San Francisco Bay area. http://earthquake.usgs.gov/regional/nca/1906/simulations/

15 Timeline of Shaking in the San Francisco Bay area 1.7 seconds: Shaking starts on western edge of the city of San Francisco. http://earthquake.usgs.gov/regional/nca/1906/simulations/ Natural Hazards – Earthquakes

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17 3-D Geologic and Seismic Model of the San Francisco Bay area

18 San Francisco Bay area earthquake simulations – 1906 San Francisco M7.8 earthquake and 1989 Loma Prieta M6.9 earthquake (from Brad Aagaard, USGS) Main page: http://earthquake.usgs.gov/regional/nca/1906/simulations/ Map views (QuickTime movies to download): http://earthquake.usgs.gov/regional/nca/1906/simulations/mapview.php Close-up views (QuickTime movies to download): http://earthquake.usgs.gov/regional/nca/1906/simulations/closeup.php http://earthquake.usgs.gov/regional/nca/1906/simulations/closeup.php Teacher Information (Lessons and teaching resources): http://earthquake.usgs.gov/regional/nca/1906/simulations/classroom.php http://earthquake.usgs.gov/regional/nca/1906/simulations/classroom.php


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