Seahawks fans shook Seattle last night with seismic intensity equivalent to a 1 or 2 magnitude earthquake. Continue reading →
A 100-million-year-old hotspot hiding in the underbelly of North America could have sparked some whopper quakes and sprinkled the continent with diamonds. Continue reading →
On Feb. 27, 2010, the 8.8 magnitude earthquake that struck Chile sent seismic waves circling Earth's surface several times and caused microquakes in California.
Intercontinental earthquakes, such as the ones that rattled New Madrid, may not strike the same place twice.
The periodic flooding of Southern California's Salton Sea in the past may have pressured small "stepover" faults to trigger the San Andreas. A drier Salton has eased that pressure.