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.
- Representation matters in earthquake ‘felt reports’ - April 15, 2021
- Magnitude-4.0 quake strikes in major Los Angeles fault zone - April 6, 2021
- Who is most vulnerable during a major Northern California earthquake? - March 22, 2021