History ❯ Natural Disasters ❯ Earthquake History

California Earthquakes

Loma Prieta Earthquake Puente Hills Fault Northridge Earthquake 20th Century Earthquakes Fontana Earthquakes Major Earthquakes

San Ramon Earthquake Swarm Persists With 4.0 and 3.9 Quakes as Scientists Urge Caution

Seismologists attribute the cluster to fluid-driven slip on small faults, cautioning that swarms rarely forecast a major rupture.

36 Years After Loma Prieta, Bay Area Confronts Elevated Quake Risk and Readiness Push

San Bernardino County Rattled by Fresh 3.5-Magnitude Quake in Ongoing Tremor Swarm