Southern California has seen a series of strong earthquakes: A magnitude 6.4 earthquake struck on July 4, followed by a magnitude 5.4 quake in the same region less than 24 hours after. Then a magnitude 7.1 quake hit just 16 hours later. The first earthquake in this set was the […]
California’s San Andreas, Hayward, and San Jacinto faults haven’t experienced an earthquake that ruptured the ground since 1918. According to a recent study, this century-long earthquake drought is unprecedented in the last 1,000 years of seismic activity in the state. Scientists aren’t sure what caused the hiatus, but some think […]
Los Angeles is the first US city to publicly release an early earthquake warning app. Known as ShakeAlertLA, the app alerts residents in the event of a magnitude 5.0 earthquake or greater. The high alert threshold explains why LA residents weren’t warned of the 7.1-magnitude quake that struck Ridgecrest, a […]
Extending for 800 miles, the earthquake-prone...
Rising seismic activity.