When Hurricane Ike roared across Galveston Island last September, the storm surge washed away houses, roads and tons of beach sand. Now researchers have figured out where all that sand went.

A landslide in northern Guatemala buried dozens of people Sunday. Between 40 and 60 people are still missing.

A series of minor earthquakes has shaken up Yellowstone National Park over the past week. Although scientists say the swarm probably doesn't foreshadow a volcanic eruption, they are keeping a close watch over the region.

After three and a half years of continuous eruption, the volcano has — for now — quieted.

Automated U.S. seismic stations mistakenly interpreted the rumblings of a powerful earthquake rocking Siberia Monday as a U.S. temblor.

A magnitude-7.5 earthquake rocked through the Indonesian island of Sulawesi early Monday, leaving four dead and thousands homeless.

A magnitude-7.8 earthquake struck Los Angeles Thursday (sort of). During the Great Southern California ShakeOut Drill — yes, it was only a drill — millions of people, from fire and rescue workers to scientists to schoolchildren, learned what being prepared for the "Big One" entails.

DOE says Hurricane Ike’s damage to Gulf Coast oil industries was not as bad as authorities had feared.

After flooding Galveston, Ike's "dirty side" veered east of Houston. Officials are still assessing damages and loss of life in the region.

Galveston will get the brunt, but Houston will also be on the wrong side of the Hurricane Ike — the northeastern side.

A magnitude-6.0 earthquake shook up southern Iran Sept. 10, killing seven people.

Gustav's storm surge is threatening the Gulf Coast with rising floodwaters. USGS' Map of Hydrologic Impacts shows where the worst flooding is occurring.