Ten years after a 6.8 earthquake shook the Pacific Northwest, there is still a scramble over seismic hazard preparations.
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.
The soft sediment under Christchurch magnified quake damage in a way seismologists expect to see for cities in the Pacific Northwest.
Tuesday's cataclysmic tremor was so close to Christchurch and so shallow that major damage was inevitable.
Fossils of the fabrosaur, about 190 million years old, were found at 12,500 feet elevation.
Intercontinental earthquakes, such as the ones that rattled New Madrid, may not strike the same place twice.
A magma event brought forth gold deposits that were overlooked in the early days of prospecting.
The building blocks of rocky planets carry small amounts of water, which later form oceans.
Just when you thought it was safe to drink the meltwater.
Just when you thought it was safe to drink the meltwater.