As PG&E’s aging Diablo Canyon nuclear power plant is up for a 20-year federal license renewal, one scientist cites new GPS data to suggest there’s a looming seismic threat from an active thrust fault ...

The orange line is the current interpretation of the Keweenaw Fault location. Based on Graff and Tyrrell’s observations and analysis, the fault appears to be a system of splay faults (shown here by ...

Countless seismic faults just as dangerous as the one that triggered Monday's San Simeon earthquake are suspected to be lurking throughout the Bay Area. Scientists have known about some of these ...

Engineers and scientists experimentally observe surface twisting in thrust faults that can momentarily rip open the earth's surface. It is a common trope in disaster movies: an earthquake strikes, ...

The ports of Los Angeles and Long Beach bustle with activity—their colorful array of shipping containers are stacked and unstacked in a never-ending, multibillion-dollar game of Tetris. But a ...

The alternative text for this image may have been generated using AI. Figure 2: Deformation patterns observed in Sentinel-1 interferograms for the 2015 Gorkha mainshock and comparison with long-term ...

Over recent geologic time, as the lunar interior cooled and contracted the entire moon shrank by about 100 m. As a result, its brittle crust ruptured and thrust faults (compression) formed distinctive ...

Three hundred seventeen years ago, the last really Big One let loose in our area. A great earthquake on the Cascadia subduction zone ruptured a 600 to 700 mile-long fault from Humboldt County to ...