San Ramon earthquakes: Tremors felt in Oakland, Richmond and San Francisco
A series of earthquakes struck near San Ramon Monday morning, as per the USGS. The first quake measured 3.9 in magnitude at 6:27 am.
A series of earthquakes occurred near San Ramon on Monday morning, according to the United States Geological Survey. The acute rumbling was felt across areas that included Oakland, Richmond and Hayward.

The first quake with 3.9 magnitude, which took place at approximately 6:27 a.m., was located 2.6 miles southeast of San Ramon, the USGS stated.
The second earthquake, with a magnitude of 3.3, struck at around 6:29 a.m. and was also centered in the same vicinity.
Additional aftershocks were recorded, comprising a magnitude of 1.3 at 6:32 a.m., a magnitude of 2.0 at 6:39 a.m., and a magnitude of 2.5 at 6:48 am, NBC News reported, stating that a series of 11 earthquakes rattled near San Ramon.
In San Francisco, residents noted that windows were shaking in Glen Park and there were rumblings in Nopa.
No information was immediately available regarding any damage.
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San Ramon earthquakes: Netizens report earthquake
Meanwhile, several people took to social media to report about earthquakes in San Ramon.
“Crap, that was a strong #earthquake jolt in the East Bay! San Ramon again I bet. Shook the whole house and woke me right up. And I'm feeling aftershocks now... #BayArea,” one person wrote on X.
“Did you feel it? A 3.7 #earthquake this morning (6:27 a.m.), followed by a 3.3 (6:29 a.m.) in San Ramon. No damage or injuries reported. Stay with @nbcbayarea for the latest,” another stated.
What to know about San Ramon earthquakes
San Ramon has experienced a series of intermittent earthquakes over the last month. According to a Chronicle analysis of USGS data from last month, the region surrounding the East Bay city recorded 87 quakes with a magnitude of 2 or higher between last November and December. Seismology experts note that the Tri-Valley has a history of earthquake swarms, which occur when multiple earthquakes repeatedly affect a confined area.
According to Michigan Tech, earthquakes with a magnitude between 2.5 and 5.4 are frequently felt but seldom result in significant damage. Most people do not feel earthquakes that register below 2.5 in magnitude.
The abrupt and swift shaking caused by earthquakes can lead to fires, tsunamis, landslides, or avalanches.
While they can occur in any location, they are most prevalent in Alaska, California, Hawaii, Oregon, Puerto Rico, and Washington, according to the Department of Homeland Security.
ABOUT THE AUTHORShweta KukretiShweta Kukreti has over 8 years of experience in covering Indian and world politics. She joined the Hindustan Times in 2024 and is primarily assigned to the US desk. She currently works as Deputy Chief Content Producer and reports on a wide range of topics, including US politics, immigration issues (especially H-1B visa) and major global events. Shweta strongly emphasizes team operations, which encompasses monitoring news, delegating tasks, editing, developing comprehensive coverage strategies, and crafting engaging, and data-informed narratives. She received the Digi Star Award at the Hindustan Times within a year of joining for her broad coverage of US politics. In 2025, she earned both a promotion and a redesignation, a significant achievement recognising her contributions and the strong value she brings to the team. She has previously worked with the Indian Express, HTDS, ANI and Republic World. Seniors in all the media organisations recognised her work. Regarding education, she earned a BA (Hons.) in Political Science and a master's degree from Delhi University, and she pursued a PG Diploma in English Journalism from the Indian Institution of Mass Communication (IIMC). She also holds a diploma in Women's Empowerment and Development from IGNOU University and a French certification course from Alliance Française de Delhi. If not working, you can find her exploring the hills and engaging in adventurous activities in Rishikesh and Himachal Pradesh. She loves to play badminton, volleyball, and chess, and spend time with her friends and family. She also enjoys spiritual activities.Read More

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