The Concord Fault in the Bay Area is not where scientists thought. A new 4.4-mile segment is shifting under homes, prompting plans for an Earthquake Fault Zone. The fault could cause earthquakes as ...

Fault Line Map in United States: USGS Facts After Tennessee Earthquake. Published Dec 12, 2018 at 10:03 AM EST Updated Dec 13, 2018 at 10:10 AM EST. By . Nina was a breaking news reporter.

A previously unknown stretch, or strand, of the fault is actively moving about a tenth of an inch per year as it runs beneath residential neighborhoods in the Ygnacio Valley. "Many of the ...

Click on a line for the name of the fault or on a dot for the magnitude and date of the quake. Information on the mapped quakes is from the U.S. Geological Survey earthquake catalog .

SACRAMENTO (CBS13) — The California Geological Survey released official maps today pinpointing new, and revising older fault & seismic hazard zones. Four fault zone maps were released along with ...

SAN DIEGO (CNS) - Maps released Thursday of earthquake-prone areas are intended to ensure new construction in San Diego does not take place atop earthquake faults that may break the surface.

Fault lines across San Diego county are shown on the state's Fault Activity Map of California, Sept. 23, 2021.

A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the USGS.