Weekly Roundup83 earthquakes
Bay Area Earthquake Roundup: Nov 16 - Nov 22, 2025 (83 Earthquakes, Max M3.3)
83 earthquakes recorded in the Bay Area during the week of Nov 16 - Nov 22, 2025. Largest was M3.3. Complete summary and analysis.
Updated Nov 22, 2025, 11:59 PM PTSan Ramon, Morgan Hill, Pacifica +7 more
Loading image...
San Ramon
M3.3
83
Total Earthquakes
M3.3
Largest Magnitude
10
Cities Affected
Nov 22, 2025
Updated
Weekly Summary
The San Francisco Bay Area recorded 83 earthquakes during the week of Nov 16 - Nov 22, 2025.
Key Statistics
| Metric | Value |
|---|---|
| Total Earthquakes | 83 |
| Largest Magnitude | M3.3 |
| Average Magnitude | M1.23 |
| Most Active Region | San Ramon (52 earthquakes) |
Notable Earthquakes
- M3.3 - 4 km SE of San Ramon, CA
Tuesday, November 18, 2025 at 6:47 AM
View Details- M3.2 - 4 km SE of San Ramon, CA
Thursday, November 20, 2025 at 3:27 PM
View Details- M3.0 - 16 km E of Seven Trees, CA
Wednesday, November 19, 2025 at 1:48 AM
View Details- M3.0 - 16 km E of Seven Trees, CA
Wednesday, November 19, 2025 at 1:48 AM
View Details- M2.6 - 4 km SE of San Ramon, CA
Tuesday, November 18, 2025 at 8:08 AM
View DetailsActivity by Region
- San Ramon: 52 earthquakes
- Santa Clara: 10 earthquakes
- SF Peninsula: 9 earthquakes
Swarm Activity
3 earthquake swarms were detected this week:
- San Ramon: 19 earthquakes (Peak: M3.2)
- SF Peninsula: 5 earthquakes (Peak: M1.3)
- San Ramon: 30 earthquakes (Peak: M3.3)
What This Means
This was an active week for the Bay Area. While most earthquakes were too small to feel, the elevated activity is a reminder that we live in one of the most seismically active regions in the United States.
Stay Prepared
- Keep your earthquake emergency kit stocked and accessible
- Know what to do: Drop, Cover, and Hold On
- Report earthquakes you feel: Did You Feel It?
Topics covered
#weeklyroundup#bayarea#seismicactivity#sanramon#morganhill#pacifica#pinole#lafayette
Related Reports
Weekly Roundup
Bay Area Earthquake Roundup: Feb 1 - Feb 7, 2026 (121 Earthquakes, Max M4.2)
Feb 7121 quakes
Weekly RoundupBay Area Earthquake Roundup: Jan 25 - Jan 31, 2026 (29 Earthquakes, Max M3.4)
Jan 3129 quakes
Weekly RoundupBay Area Earthquake Roundup: Jan 18 - Jan 24, 2026 (27 Earthquakes)
Jan 2427 quakes
More from Bay Tremor
- February 2026 Seismic Activity Report: 121 Earthquakes (Max M4.2)
- Bay Area Earthquake Roundup: Feb 1 - Feb 7, 2026 (121 Earthquakes, Max M4.2)
- ⚡ Earthquake Swarm Alert: 13 Earthquakes in San Ramon
- 📢 M3.8 Earthquake Near Dublin - Did You Feel It?
- ⚠️ M4.2 Earthquake Hits San Ramon - Felt Across Bay Area
Data source:USGS Earthquake Hazards Program