"The swarm happening now south of the Salton Sea, near Westmorland is over 30 km south of the end of the San Andreas," she tweeted. "It is in the Brawley seismic zone, a common source of swarms ...

“The Brawley Seismic Zone, near the US-Mexico border where the plate boundary transitions to a more extensional regime, is notoriously swarmy, and it woke up last night,” the USGS posted to X ...

"The swarm happening now south of the Salton Sea, near Westmorland is over 30 km south of the end of the San Andreas," she tweeted. "It is in the Brawley seismic zone, a common source of swarms ...

“The Brawley Seismic Zone, near the US-Mexico border where the plate boundary transitions to a more extensional regime, is notoriously swarmy, and it woke up last night,” the USGS posted to X ...

“The Brawley Seismic Zone, near the US-Mexico border where the plate boundary transitions to a more extensional regime, is notoriously swarmy, and it woke up last night,” the USGS posted to X ...

“The Brawley Seismic Zone, near the US-Mexico border where the plate boundary transitions to a more extensional regime, is notoriously swarmy, and it woke up last night,” the USGS posted to X ...

A 4.5-magnitude quake hit at 12:42 a.m., the agency said. “The Brawley Seismic Zone, near the US-Mexico border where the plate boundary transitions to a more extensional regime, is notoriously ...

“The Brawley Seismic Zone, near the US-Mexico border where the plate boundary transitions to a more extensional regime, is notoriously swarmy, and it woke up last night,” the USGS posted to X ...

A 4.5-magnitude quake hit at 12:42 a.m., the agency said. “The Brawley Seismic Zone, near the US-Mexico border where the plate boundary transitions to a more extensional regime, is notoriously ...