Hayward Fault
strike-slip — 74 km
The Hayward Fault runs along the eastern side of San Francisco Bay through densely populated urban areas. Often called the most dangerous fault in America due to the sheer number of people and critical infrastructure directly on top of it.
Type
strike slip
Length
74 km
Countries
1
Linked Cities
5
Last Major Earthquake
M6.8 — Hayward, California (1868-10-21)
Affected Countries
Cities Near This Fault
General tectonic context only—not a site-specific hazard assessment. Live event data: USGS Earthquake Hazards Program.