3.4 Magnitude Earthquake Strikes Near Gilroy on Calaveras Fault
Key Takeaways
- Magnitude 3.4 earthquake near Gilroy.
- Epicenter northeast of Gilroy.
- Shaking reported across the Bay Area.
South Bay Quake
A magnitude 3.4 earthquake struck the South Bay at 6:48 a.m.
The epicenter was approximately 5 miles northeast of Gilroy on the Calaveras Fault.
Shaking was felt as far as Pebble Beach.
At least two small aftershocks were reported shortly after the initial quake.
The Gilroy area contains multiple major fault lines including the San Andreas and Calaveras Faults.
No Injuries or Damage
There were no immediate reports of damage or injuries.
The depth of 4.2 miles is shallow enough to cause noticeable shaking.
Residents had grown accustomed to seismic activity from an ongoing swarm since November.
Seismic Context
The quake occurred within the San Andreas fault system, including the Calaveras Fault.
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The Bay Area has seen at least six earthquake swarms since 1970.
Experts believe fluid-filled cracks help trigger smaller quakes.
Local media continued preparedness coverage.
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