Santa Cruz Mountains Earthquake Strikes October 17 1989
Scientists had predicted the Santa Cruz Mountains region near San Francisco as a likely quake spot. The tremor occurred in the afternoon of October 17, 1989, confirming the area as seismically active.
MENTIONED IN THIS ARTICLE
Santa Cruz Mountains
San Francisco
Earthquakes in California and the Ring of Fire
The article explains earthquake cycles vary by location from 10 to 1000 years, notes the Oct 17 California quake along the San Andreas fault, and describes plate tectonics, faults, and the Pacific ring of fire as primary factors. It states western U S risks are higher and stresses that all states feel quakes somewhere.
MENTIONED IN THIS ARTICLE
California
United States
Puerto Rico
Virgin Islands
Pacific Ocean
Ring of Fire
San Andreas
San Andreas Fault
Also Mentioned on This Page
Calif
Madrid
Algie
Tehran
Bangkok
Indian Ocean
Tokyo
Manila
Honolulu
Pacific
Christchurch
Seattle
San Juan
Lima
Santiago
U.S. Geological Survey
Walter W. Hays
Office of Earthquakes, Volcanoes and Engineering