San Ramon Earthquake Swarm
Microearthquakes continue to occur near San Ramon, California. Since the swarm began on Tuesday October 13, 2015, at 8:50am local time with a magnitude 0.8 earthquake, the Northern California Seismic Network (NCSN) has located 242 earthquakes in the region beneath San Ramon. The largest earthquake in the swarm was a magnitude 3.6 earthquake on October 19 at 4:21pm local time. The swarm has included three other earthquakes magnitude 3.0 or greater and a total of 54 earthquakes greater than magnitude 2.0.
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The Pacific Northwest Earthquake Risk webinar from last Friday is now online:
Communicating Cascadia's Earthquake Risk
Geoscience research is at the forefront of characterizing the earthquake risks associated with the Cascadia subduction zone in the Pacific Northwest. This webinar will inform listeners of the science and its implications for policy decisions and resiliency efforts. During the webinar, the three presenters will provide an overview of what we know about the Cascadia subduction zone and the associated earthquake risk, how this information is used to guide policy decisions, how the science should be communicated, what state and local governments are doing to address the risks, and what more could be done to better protect the Pacific Northwest.
Our speakers include:
Chris Goldfinger, Oregon State University
Jeff Rubin, Tualatin Valley Fire & Rescue
Tom Brocher, Earthquake Science Center, U.S. Geological Survey
This webinar is cosponsored by the U.S. Geological Survey, Western States Seismic Policy Council, and the Oregon Seismic Safety Policy Advisory Commission
Enjoy the day,