Japan’s new earthquake-detection network lengthens warning times, and researchers in Wales have harnessed nuclear blast detectors to gauge tsunami risks. But the U.S. lags in monitoring the ...

Next Megatsunami May Sink Parts Of The Pacific Northwest Coast By Up To 2 Meters The resulting sea level rise will lead to significant flood risks for huge areas of land, making recovery even harder.

After a magnitude 5.2 earthquake rattled Southern California Monday morning shortly after 10 a.m., the National Weather Service immediately issued an alert about whether a tsunami would follow.

When the Palisades fire raged and winds whipped ash and debris into the Pacific Ocean, scientists with the National Oceanic Atmospheric Administration — already out in boats doing water-quality ...

The organization has worked to set up a Global Tsunami Warning System that spans the Pacific, Indian Ocean, Mediterranean, Caribbean, and North-East Atlantic.

PTWC was responsible for supplying tsunami information to 26 countries in the Pacific in addition to alerting Hawaii and U.S. territories but had no arrangements with countries in the Indian Ocean.

Survivors and victims' relatives will next week mark the 20th anniversary of the 2004 Indian Ocean earthquake and tsunami, which killed more than 220,000 ...

A magnitude 7.0 earthquake off the Northern California coast caused a Tsunami warning in parts of Oregon Thursday.

A look back with a tsunami expert at the 2004 Indian Ocean tsunami and earthquake.

Multiple earthquakes of magnitude 3.0 and higher struck off the west coast in the Pacific Ocean in the early morning hours of Friday, Oct. 18., according to the Pacific Northwest Seismic Center ...

The last time a tsunami struck the Pacific Northwest was in 1700. The region is due for another one.