At least 90 earthquakes have been detected in California's San Francisco Bay Area, along a fault scientists consider to be overdue for a major seismic event.

ATLANTA — A weak earthquake was reported in northwest Georgia Sunday morning, according to the U.S. Geological Survey. The ...

Black swan events have low probability, but very high impact.  Because the frequency, magnitude, and duration of these events are uncertain, it is difficult to plan for resilience, or calculate ...