Tsunamis & Earthquakes - USGS tsunami research and information about the origins of tsunamis and QuickTime animations of tsunamis in the Pacific region including a recreation of the probable tsunami associated with the 1906 San Francisco Earthquake.
Tsunamis - USGS Earthquake Hazards Program facts & lists page
West Coast & Alaska Tsunami Warning Center -
information about earthquakes and related tsunami hazards for the West Coast and Alaska with historic and recent tsunamis
Western Coastal & Marine Geology, (USGS) - scientific research in the coastal and offshore areas of California and other states, including marine earthquake, tsunami and other submarine hazards and processes.
Surviving a Tsunami-Lessons from Chile, Hawaii, and Japan - describes the causes and impacts of large tsunamis, with examples from around the Pacific Rim.