While California and Alaska dominate conversations about earthquakes in the U.S., there's another seismic threat that could ...

The fault has moved the curbs as much as a handspan, around 18 centimeters, since the time they were installed, up to 60 ...

5. Ramapo Fault. Length: 185 miles Next in line on our list of biggest fault lines in US is Ramapo Fault that came to prominence in the 1970s, when it was discovered that it runs beneath the ...

As the name suggests, a branch fault is a minor fault that branches off from a major fault. In the US, the 2002 magnitude 7.9 Denali earthquake that struck Alaska originated on a branch fault.

An underwater fault line along the US West Coast could trigger a megaquake that would be more devastating than California's 'Big One,' a new study suggests. Using underwater mapping techniques ...

A new paper in the journal Nature offers an explanation for why the major fault line is overdue for the Big One. By Thomas Fuller It has been about three centuries since the last great earthquake ...

Today’s United States — its possibility, its strength, its divisiveness, its polarization and fragmentation — is encapsulated in a single week in June 2025, its triumphs and frictions on vivid display ...

A newly found fault line with a rare slanted angle shows why an earthquake rattled New York City in April harder than its epicenter in New Jersey — and may be bigger seismic activity threat than ...