Accidental landing of a research vessel in the San Andreas zone revealed the repeating patterns tribuldite in its core.

For the first time, scientists have seen a subduction zone actively breaking apart beneath the Pacific Northwest. Seismic ...

For the first time, scientists have directly witnessed a subduction zone -- the place where one tectonic plate plunges beneath another -- in the midst ...

The National Weather Service issued a gale warning for Bellingham Bay and the San Juan Islands from 6 p.m. Thursday, Oct. 23, through 11 a.m. Friday. That means winds between 34–47 knots are expected ...

One of the most dangerous faults in the United States, the Cascadia Subduction Zone, may be able to trigger an earthquake on the San Andreas Fault, a new study says. But some scientists want more ...

Scientists have uncovered evidence that megaquakes in the Pacific Northwest might trigger California’s San Andreas Fault. A research ship’s navigational error revealed paired sediment layers showing ...

Scientists are raising the alarm about a potential seismic catastrophe on the West Coast of North America. Recent studies ...