News

5 earthquakes recorded in San Ramon Valley

Largest at 3.9 magnitude at 11:44 a.m. Wednesday

A 3.9-magnitude earthquake struck the San Ramon Valley late Wednesday morning, followed by four smaller temblors in the area within the ensuing four-plus hours.

The initial quake was the largest of the five recorded, hitting at 11:43 a.m. at a depth of 10.3 kilometers near Crow Canyon Country Club near the Danville-San Ramon border, according to the U.S. Geological Survey. It could be felt throughout the Tri-Valley.

Three smaller quakes, or potential aftershocks, were registered in quick succession near San Ramon (11:44 a.m. at 3.2 magnitude, 11:46 a.m. at 2.6 magnitude and 11:58 a.m. at 3.0 magnitude), according to the USGS. The final quake in the San Ramon area on Wednesday happened at 4:01 p.m. at 2.8 magnitude.

No injuries or major damage were reported as a result of any of the earthquakes.

What's local journalism worth to you?

Support DanvilleSanRamon.com for as little as $5/month.

Join

Looking for more Livermore stories? The Livermore Vine will be your new source of vital news and information. Sign up to be among the first to get our daily local news headlines sent to your inbox for free.

Follow DanvilleSanRamon.com on Twitter @DanvilleSanRamo, Facebook and on Instagram @ for breaking news, local events, photos, videos and more.

5 earthquakes recorded in San Ramon Valley

Largest at 3.9 magnitude at 11:44 a.m. Wednesday

by / Danville San Ramon

Uploaded: Wed, Nov 17, 2021, 9:15 pm

A 3.9-magnitude earthquake struck the San Ramon Valley late Wednesday morning, followed by four smaller temblors in the area within the ensuing four-plus hours.

The initial quake was the largest of the five recorded, hitting at 11:43 a.m. at a depth of 10.3 kilometers near Crow Canyon Country Club near the Danville-San Ramon border, according to the U.S. Geological Survey. It could be felt throughout the Tri-Valley.

Three smaller quakes, or potential aftershocks, were registered in quick succession near San Ramon (11:44 a.m. at 3.2 magnitude, 11:46 a.m. at 2.6 magnitude and 11:58 a.m. at 3.0 magnitude), according to the USGS. The final quake in the San Ramon area on Wednesday happened at 4:01 p.m. at 2.8 magnitude.

No injuries or major damage were reported as a result of any of the earthquakes.

Comments

There are no comments yet. Please share yours below.

Post a comment

In order to encourage respectful and thoughtful discussion, commenting on stories is available to those who are registered users. If you are already a registered user and the commenting form is not below, you need to log in. If you are not registered, you can do so here.

Please make sure your comments are truthful, on-topic and do not disrespect another poster. Don't be snarky or belittling. All postings are subject to our TERMS OF USE, and may be deleted if deemed inappropriate by our staff.

See our announcement about requiring registration for commenting.