San Ramon Sees Ongoing Earthquake Swarm December 15
• Earthquake swarm near San Ramon remains active as of December 15, with three quakes recorded.
• The swarm, originating in October near the Calaveras Fault, releases stress through small ruptures.
• No damage or injuries have been reported, but residents are advised to maintain earthquake preparedness.
Earthquake swarm active near San Ramon, California
An earthquake swarm near downtown San Ramon, California, continues to be active as of December 15. According to the U.S. Geological Survey (USGS), three earthquakes were recorded on this date. This swarm, which began in October, is located in a complex fault zone close to the Calaveras Fault. In this area, stress is released through numerous small ruptures instead of one large earthquake.
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