Number of earthquakes in San Ramon seismic swarm rises to nearly 600

San Ramon Swarm
November 2015 SAN FRANCISCO, CA A total of 583 small earthquakes have shaken San Ramon, California, in the last three weeks or so – more than five times the record set 12 years ago, according to the latest US Geological Survey updates. “It’s the swarm with the largest number of total earthquakes in San Ramon,” said USGS scientist David Schwartz, who is more concerned about the size of quakes than he is the total number of them. Still, the number tops the previous record set in 2003, when 120 earthquakes hit over 31 days, with the largest clocking in at a magnitude of 4.2.
The largest magnitude earthquake in the current swarm, which began on Oct. 13, is a magnitude 3.6. In 1990, a total of 351 earthquakes struck in Alamo, about 30 miles east of San Francisco, over 42 days, with the largest recorded at a magnitude of 4.4. But Schwartz said those numbers might be inaccurate, as technology back then wasn’t as sophisticated. Despite the nearly 600 quakes that have hit San Ramon in the last month, no injuries or damage have been reported. And the USGS noted that activity has been relatively quiet for the last couple of days. –NBC Bay Area

San Ramon Daily Quakes

In the past 24 hours, there have been 36 quakes. This map shows all earthquakes near the San Francisco Bay Area for the past 24 hours. The darker blue circle shows the range weʼre filtering for.


This entry was posted in Black Swan Event, Civilizations unraveling, Dormant fault activation, Earth Changes, Earth Watch, Earthquake Omens?, High-risk potential hazard zone, Landslide & geological deformation, Lithosphere collapse & fisssure, Potential Earthchange hotspot, Prophecies referenced, Seismic tremors, Signs of Magnetic Field weakening, Tectonic plate movement, Time - Event Acceleration. Bookmark the permalink.

4 Responses to Number of earthquakes in San Ramon seismic swarm rises to nearly 600

  1. davidh7426 says:

    This may sound like the Twilight Zone, but about 7 weeks ago I had a dream that involved massive earthquakes with the epicentres just to the west of Stockton.

    Stockton is 36 miles to the east of San Ramon.

    As I said Twilight Zone, but I have a bad feeling about this.

    Liked by 2 people

  2. Katnea says:

    Wow, I really, REALLY wish my son, his wife, and their two children would leave San Francisco and move back home to the Midwest. The thing is, my son has a fantastic job in San Francisco and so that’s what makes the decision to leave even more difficult. The bottom line they need to ask themselves, is it really worth the risk anymore?


  3. Dennis E. says:

    Good idea for many people to leave. It does seem that something is about to break here.


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