The Cascadia Subduction Zone is unusually quiet for a megathrust fault. Spanning more than 600 miles from Canada to ...

On Feb. 28, 2001 at 10:54 a.m., a 6.8 magnitude earthquake rattled western Washington, leaving billions of dollars in damages ...

Make no mistake—this doesn’t mean there is no danger. The researchers urge policymakers to treat seismic risk as a constant.

A convergence of volcanic eruptions, seismic clustering research, and overdue fault lines has scientists paying closer attention to the Pacific Ring of Fire than at any point in recent memory. The ...

Where were you at 10:54 a.m. on01? At that moment, 25 years ago, there was a whole lotta shaking going on as the Nisqually Earthquake struck western Washington.

Deep under the Pacific Ocean, between 900 and 1,200 km deep, scientists have discovered something that doesn’t fit with what textbooks say about our planet.

The Mendocino Triple Junction off the coast of Northern California is the point where three tectonic plates meet. A new study reveals at least five moving pieces deep below the Earth's surface make up ...

Scientists at Stanford have unveiled the first-ever global map of rare earthquakes that rumble deep within Earth’s mantle rather than its crust. Long debated and notoriously difficult to confirm, ...