A long lost island in the North Atlantic Ocean sits on the seafloor, but rivers and mountains and other remnants of its time at the surface remain etched on its features.
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.
A revision of earthquake risk is in store following tomorrow's day of rapture, but would have been even without the judgment based on new geophysical reports.
Here at Discovery News, we understand the crisis in Japan is confusing. There was an earthquake, a tsunami and now a nuclear disaster. Our experts are on hand to answer any questions you may have.
What's it like on a planet where a year is three months long and the sun is 11 times brighter than on Earth? We're about to find out.
If mash of whitewater going 500 mph tempts the surfer in you - here's 3 reasons that make a tsunami wave a dangerous wall of water.
The soft sediment under Christchurch magnified quake damage in a way seismologists expect to see for cities in the Pacific Northwest.
Intercontinental earthquakes, such as the ones that rattled New Madrid, may not strike the same place twice.
Great new -- free -- earth science software applications for the iPad and iPhone-iPod Touch have been developed by scientists and software engineers at Lamont-Doherty Earth Observatory at Columbia University.
Mount Merapi, Eyjafjallajökul, Tungurahu and others shook the world in 2010.