Twitter, Facebook and other social networking tools have proven to be key communication links for Chile after the massive earthquake there. Watch the video

More than 70 members of one of the world's best trained urban search-and-rescue teams remained grounded in Southern California early today, waiting for air

Security forces said they arrested dozens of people for violating an anti-looting curfew and rescuers found signs of life in a toppled building on Monday as

Secretary of State Hillary Rodham Clinton's weeklong, five-nation tour of Latin America is certain to focus on the earthquake in Chile while she also tries to

Rescuers are searching for people buried in rubble by the massive Chile earthquake as strong aftershocks continue to rock the region. Videos & photos »

The huge earthquake that struck off the coast of Chile belongs to an "elite class" of mega earthquakes," experts said, and is similar to the 2004 Indian Ocean

Here is a list of earthquakes in recorded history that registered at least magnitude 8.6.

The only apparent evidence of a tsunami at Santa Monica Pier was a ripple that rang the bell on an offshore buoy, leaving spectators seismically underwhelmed.

The American Red Cross has pledged an initial $50,000 from the International Response Fund to assist communities impacted by Saturdays’s earthquake in Chile.

The tsunami from an earthquake in Chile hit Japan's main islands on Sunday, but the initial waves washed ashore without causing any damage after sparing most

A tsunami triggered by the Chilean earthquake sent a surge of water ashore in Hawaii, California and islands in the South Pacific on Saturday as the waves

The spectre of tsunami waves hitting Southern California seemed to be a washout, as the arrival of tsunami surges came and went with only a small impact

One of the largest earthquakes in recorded history tore through Chile on Saturday and sent a tsunami racing across the Pacific. Videos & photos »