Something very strange appears to be happening deep, deep beneath the Midwest and Ohio Valley. Such a scenario would not be unprecedented—scientists have evidence that the North China craton thinned ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...

What appears to be such a pleasant meeting-place of the well-known rifts, in the Northern part of California, is proving to ...

Cratons are the most ancient, stable pieces of tectonic plates, but even these geological formations can change over time. A new study details how the North American plate is “dripping” into the ...

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 ...