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

The fault line is best known for some of the most violent earthquakes to ever hit the U.S., a series of four in 1811 and 1812. The quakes were estimated at magnitude 7.5 to 8.0, so strong the ...

Cleanup is continuing from last week's 6.4 and 7.1 magnitude earthquakes in California, the largest ones the state has seen in decades. Arkansas also has a fault line close to home. The New Madrid ...

KENNETT, Mo. -- Marian and John McDonald spend part of the year in Kennett and the other part in the northern California town of Sebastopol. The 6.0 Napa earthquake that hit Aug. 24, just 40 miles ...

• New research by U.S. Geological Survey scientists is casting doubt on the long-held idea that the New Madrid Fault Zone in Missouri's Bootheel unleashed a series of Reseachers say 1800s quake ...

ST. LOUIS (AP) — The New Madrid fault line has been rumbling again. And while an earthquake expert says the recent series of small quakes isn't unusual, it is a ...