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Earthquakes in the San Francisco Bay Area

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  1. Earthquakes in the San Francisco Bay Area Sheryl Braile, Happy Hollow School West Lafayette, IN Larry Braile, Purdue University braile@purdue.edu, www.eas.purdue.edu/~braile CSTA Convention, Oct. 2006, San Francisco, CA http://web.ics.purdue.edu/~braile/edumod/bayarea/BayAreaEQs.ppt http://web.ics.purdue.edu/~braile/edumod/bayarea/bayareaNew.htm

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

  3. http://wrgis.wr.usgs.gov/docs/gump/zulanger/bayarea/landsat.html

  4. Old version (1990 map/satellite image): http://web.ics.purdue.edu/~braile/edumod/bayarea/bayarea.htm New version (2004 map): http://web.ics.purdue.edu/~braile/edumod/bayarea/bayareaNew.htm

  5. The 1906 San Francisco Earthquake (M~7.8) Photo by G.K. Gilbert

  6. The 1906 San Francisco Earthquake (M~7.8) ~3 m right lateral offset on the San Andreas fault

  7. The 1906 San Francisco Earthquake (M~7.8) San Andreas fault at Earthquake park near Tomales Bay (road to Point Reyes) http://www.seed.slb.com/en/scictr/watch/seismology/pt_reyes.htm Today 1906

  8. The 1906 San Francisco Earthquake (M~7.8) San Andreas fault at Earthquake park near Tomales Bay (road to Point Reyes) http://www.seed.slb.com/en/scictr/watch/seismology/pt_reyes.htm Damaged Barn (subsequently razed) Offset Fence

  9. The 1906 San Francisco Earthquake (M~7.8) San Francisco after the Earthquake and fire.

  10. The 1906 San Francisco Earthquake (M~7.8) San Francisco after the Earthquake and fire.

  11. The 1906 San Francisco Earthquake (M~7.8) De-railed train.

  12. The 1906 San Francisco Earthquake (M~7.8) Comparison of fault lengths for selected significant events on the San Andreas.

  13. San Andreas Fault

  14. San Andreas Fault – A Right-Lateral Strike-Slip Fault What is the relative motion? Why is it called right-lateral?

  15. The 1906 San Francisco Earthquake (M~7.8) MM Intensity Map

  16. The 1906 San Francisco Earthquake (M~7.8) MM Intensity Map

  17. The 1906 San Francisco Earthquake (M~7.8) MM Intensity Map

  18. The 1906 San Francisco Earthquake (M~7.8) MM Intensity Map

  19. The 1906 San Francisco Earthquake (M~7.8) San Francisco bay area geology.

  20. The 1906 San Francisco Earthquake (M~7.8) Near-surface sediments shear wave velocity – an indicator of site response for earthquake shaking.

  21. The 1989 Loma Prieta Earthquake (M7.0) Earthquake damage.

  22. San Francisco bay area geology.

  23. http://www.abag.ca.gov/cgi-bin/pickmapx.pl Site response map

  24. Earthquakes in California Nevada area 1973 – 2006 M3+ The Seismic Eruption software http://www.geol.binghamton.edu/faculty/jones/

  25. Earthquakes in California Nevada area 1973 – 2006 M3+

  26. Earthquakes in California Nevada area 1973 – 2006 M3+ Close-up of Northern CA area Northern San Andreas Fault (area that slipped in 1906)

  27. Earthquakes in San Francisco Bay area 1973 – 2006 M1+ Plotted with Seismic Eruption

  28. Earthquakes in San Francisco Bay area 1973 – 2006 M1+ Plotted with Seismic Eruption (bayarea.hy4 file, 3434 events)

  29. Earthquakes in San Francisco Bay area from significant U.S. earthquakes catalog 1805 - 1989 Plotted with Seismic Eruption

  30. Digital satellite images of the San Francisco Bay area and major faults http://www.sfbayquakes.org/

  31. http://pubs.usgs.gov/gip/2006/21/gip-21.pdf Earthquake resources

  32. Earthquake hazards and damage Soft first story failure

  33. Building shifted off foundation

  34. Falling objects

  35. Falling objects

  36. 2002 Nisqually EQ

  37. Olive View Hospital, 1971 San Fernando Earthquake

  38. Olive View Hospital, 1971 San Fernando Earthquake

  39. Dec. 26, 2003 M6.6 Earthquake, Bam, Iran, ~80% of buildings destroyed