A vigorous seismic swarm is in progress in the Brawley Seismic Zone, a fault band that connects the Imperial Fault with the San Andreas. The Zone has a history of swarms, perhaps triggered by fluids infiltrating faults. Five M≥4 shocks have struck so far.
- Old dike swarms could influence future fault ruptures - September 28, 2023
- Southern California earthquake was unlikely triggered by Hurricane Hilary - September 15, 2023
- El mortal terremoto de Marruecos fue el resultado de la continua colisión de África con Europa - September 14, 2023