Just off the coast of the Pacific Northwest is the Cascadia Subduction Zone, a complex collection of earthquake faults created by one tectonic plate pushing its way under another. Every 400-600 years, ...

The Cascadia Subduction Zone has stayed calm for 300 years. When it finally breaks, it could trigger a huge earthquake ...

Science & Environment Cascadia earthquake tsunami threat may not be quite as bad as we thought (but it’s still bad) By Jes Burns (OPB) July 3, 2025 6 a.m.

Large parts of the US are under threat of being submerged under water by a megatsunami that will alter the countrys coastline ...

Scientists are warning that a 100-foot, Doomsday-style tsunami is primed to hit the US West Coast at any moment. Yet ...

Japan’s new earthquake-detection network lengthens warning times, and researchers in Wales have harnessed nuclear blast ...

If the ocean floor had a nervous system, it might look something like this: thousands of miles of fiber-optic cables ...

The giant earthquake was recorded at 12:37 p.m. local time, southeast of Sand Point, a community located on Popof Island in ...

Just after the quake, NOAA's National Tsunami Warning Center issued Tsunami Warnings for the immediate Alaska coastline from ...

A major earthquake with a preliminary magnitude of 7.3 initially triggered a tsunami warning for the southern Alaska ...