Along a quiet stretch of central California, the tiny town of Parkfield sits atop one of the most closely watched pieces of rock on Earth. Here, scientists are using the San Andreas Fault as a natural ...

Three huge tectonic plates meet at the Mendocino triple junction off the coast of northern California, and a new study ...

It was a groundbreaking discovery. Scientists have found previously concealed fault lines along California’s north coast, sparking concerns that we could be drastically underestimating the earthquake ...