Scientists have created a new 3D map of "mega ripples" on the seafloor caused by the Chicxulub asteroid impact that wiped out the dinosaurs. The study, published in the journal Marine Geology, reveals ...

The quake prompted a brief “Tsunami Threat” for Tonga ... also prompt U.S.G.S. scientists to update the shake-severity map. An aftershock is usually a smaller earthquake that follows a ...

A tsunami warning has been lifted for Tonga after a strong 7.1 magnitude earthquake struck near the Pacific Island country. The Pacific Tsunami Warning Center initially warned of potential ...

A strong 7.1-magnitude earthquake hit near Tonga, prompting an initial tsunami warning that was later ... the report said. A map of Tonga: Tonga is a country in Polynesia made up of 171 islands ...

The monster earthquake and ensuing tsunami that ravaged Japan in March 2011 left behind a ton of floating debris in its wake—25 million tons to be exact. And now that giant mass of garbage ...

TOKYO (AP) — A strong 7.1 magnitude earthquake hit near Tonga, prompting a tsunami warning for the Pacific island country. The U.S. Geological Survey said the temblor hit about 100 kilometers (62 ...