Links

Winter Storm Preparedness
- Extreme Weather – El Niño (California Coastal Commission)
- Landslides and Debris Flow (Ready, Department of Homeland Security)
- Floods (Ready, Department of Homeland Security)
General
- My Hazards (California Office of Emergency Services – Cal OES)
Earthquakes
- Worldwide Earthquakes (United States Geological Survey – USGS)
- Recent Earthquakes in California and Nevada (University of California – Berkeley, Seismological Laboratory)
- Bay Area Earthquake Hazard Maps (Association of Bay Area Government – ABAG, with links to USGS and California Geological Survey – CGS)
- Soil Liquefaction (University of Washington)
- My Shake Smartphone-Based Seismic Network (University of California – Berkeley, Seismological Laboratory, mobile app)
- Temblor Seismic Hazard Risk App (Temblor, mobile app)

Landslides
- Landslides – General Information (USGS)
- California Landslide Maps (CGS)
- Bay Area Landslide Maps (USGS)
- Landslides and Debris Flow (Ready, Department of Homeland Security)
Rainfall Information
- Bay Area Rainfall Information (Golden Gate Weather Services)
- California Rainfall Maps (California Department of Water Resources)
- General Weather Information (Golden Gate Weather Service)
Historic Maps and Photographs
- San Francisco Historical Maps
- Panoramic Historic Maps – San Francisco and others
- Panoramic Historic Maps – Berkeley, Oakland, and others
- Historic Air Photos (University of California – Berkeley)
- Landslide Photographs (USGS)
- Historic Creek Maps (Oakland Museum)
- Geological Hazard Photographs (Geo-Tech Imagery)