History ❯ Natural Disasters ❯ Earthquake History

California Earthquakes

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

8 ARTICLES

last mo.

Southern California Faults at 1,000‑Year Stress High as Cajon Pass Could Let Ruptures Cross

A physics-based, 1,000-year reconstruction finds multiple segments of the San Andreas and San Jacinto systems are critically stressed, prompting researchers to urge that scenario-based results inform hazard planning and resilience.

3 ARTICLES

7mo ago

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

3 ARTICLES

9mo ago

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

7 ARTICLES

last yr.

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