Developed by the California Geological Survey, these regulatory Alquist-Priolo Earthquake Fault Zone maps detail where local governments must require site-specific geologic and engineering studies ...

If you want to look at geological faults in your area, look for local maps that include faults — most areas have detailed such maps. However, in order to truly be able to see a fault ...

Cheyenne, Wyo. • Scientists have completed the most detailed map yet of one of North America’s most spectacular geologic faults with the hope of providing a better understanding of the ...

Officials of the California Geological Survey marked the agency's 150th anniversary Tuesday by releasing two updated maps revealing the latest information on all the state's active seismic faults ...

The Geological Survey also presented an updated ... Wills noted that the just-released fault map is already out of date because the 7.2 quake that struck Baja California on April 4 produced ...

“We can show faults with much higher precision and accuracy than we could in a predigital map,” said Chris Wills of the California Geological Survey, who led the mapping project. Also ...

New state geological maps released Wednesday show several major developments planned in Hollywood are much closer to an active earthquake fault than Los Angeles city officials initially said.

CHEYENNE, Wyo. — Scientists have completed the most detailed map yet of the geologic fault at the foot of the Teton Range, one of the most visually striking and potentially dangerous seismic ...