Sustained supershear earthquake ruptures produce distinct ground-motion characteristics compared with subshear earthquakes, ...
The ground beneath Southern California’s Imperial Valley would not stop moving. Starting late on May 8, 2026, and continuing through the evening of May 10, roughly 360 earthquakes rippled through the ...
The Hayward fault, part of the larger San Andreas fault system, runs 74 miles through the East Bay of the San Francisco Bay Area. The fault is overdue for an earthquake that could cause extensive ...
The magnitude of an earthquake depends on how far a rupture travels along a fault line before it stops. For the first time, we have now directly observed how a large earthquake comes to a halt. By ...