1. Liquefaction, Landslides, and Fault Rupture Tom Holzer Research Engineering Geologist 1

2. Liquefaction 2

3. Sunken Houses on Valencia St Settlement at Spear and Market St Compression Lateral Spread Head Scarp Liquefaction Damage San Francisco 1906 3

4. Anatomy of a bad fill 4

5. Filled ground in San Francisco, mostly pre-1906 Prime land in San Francisco is among the most hazardous Marin Ocean Beach SBC Park TransAmerica Pyramid Marina District

6. Landslides 6

7. Landslide Highway 17 – 1989 Loma Prieta Earthquake 7

8. San Francisco Seismic Hazard Zone Map – Landslide Zone (blue) and Liquefaction Zone (green) 8

9. Fault Rupture 9

10. Fault Rupture – M6 South Napa Earthquake August 24, 2014 10

11. Bay Area Major faults and probability of EQ with M≥6.7 63% probability of M≥6.7 in next 30 years in Bay Area 7% 31% 21% 6% 3% 1% http://earthquake.usgs.gov/regional/nca/ucerf/

12. San Andreas Fault SF Peninsula (Alquist-Priolo Map) San Bruno Mtn 1906 Fault Rupture SF Peninsula Mussel Rock San Francisco 12