The United States Geological Survey reports a major, preliminary magnitude 7.5 earthquake struck in the South Atlantic Ocean ...

According to the United States Geological Survey, the temblor happened in Argentina at 11:16 PM (local time), about 710 km ...

Magnitude 7.5 earthquake strikes South Atlantic Ocean, prompting tsunami advisory for Antarctica, no immediate evacuation ...

A major, 7.5-magnitude earthquake struck in the South Atlantic Ocean on Thursday, according to the United States Geological Survey. The temblor happened at 10:16 p.m. Eastern, data from the agency ...

Scientists detect unusually deep earthquakes beneath the Mid-Atlantic Ridge seafloor, finding CO2 present there in magma.

CAPE CANAVERAL, Fla. (AP) — Authorities are collecting reports from Floridians who felt shaking from a 4.0 magnitude earthquake off the coast, the National Weather Service reported.

It ran along the Romanche fracture zone, a 560-mile-long fault line under the Atlantic Ocean near the equator, between Brazil and Africa.

An earthquake with a magnitude of 6.6 has struck the Atlantic Ocean near the Caribbean. Residents on islands such as Puerto Rico were able to feel the tremors.

A search of USGS records dating to 1900 shows the region of ocean where the quake occurred has had only one other earthquake: A 3.3 magnitude quake on June 11, 2001, centered 86 miles off St ...

The Atlantic coastline is vulnerable to tsunamis triggered by earthquakes and landslides across the ocean basin ...