Tsunamis form from sudden water movements, mainly undersea earthquakes, spreading waves across oceans and increasing as they near shores.

These capture the acoustic waves created by all of the phenomena that cause tsunamis, and the speed at which these waves travel means that just 30 hydrophone stations could cover the entire world's ...

These capture the acoustic waves created by all of the phenomena that cause tsunamis, and the speed at which these waves travel means that just 30 hydrophone stations could cover the entire world’s ...

On Saturday, a powerful earthquake measuring 7.1 on the Richter scale struck off the coast of Papua New Guinea, prompting the U.S. Tsunami Warning Center to issue urgent alerts for potential tsunami ...

The USGS issued a tsunami warning for waves of 1 to 3 meters along some parts of the Papua New Guinea coastline after the temblor. A caution about smaller waves of 0.3 m was issued for nearby ...