Live earthquake check
Earthquakes near Brentwood, CA today
Updated
No M2.5+ earthquake within 100 km of Brentwood, CA in the last 24 hours 2 smaller quakes (largest M1.7) were recorded within 100 km; the latest 13 hours ago.
Was there an earthquake in Brentwood, CA just now? This page checks the live USGS catalogue for quakes around Brentwood, California, United States and updates every few minutes.
- Last 24 hours
- 0 M2.5+ within 100 km
- Last 7 days
- 1 M2.5+ within 100 km
- Last 30 days
- 4 M2.5+ within 100 km
- Largest in 30 days
- M3.3 61 km SSE, Sep 27, 2026
- Largest in past year
- M4.6 98 km SSW, Apr 2, 2026
- Past year count
- 261 M2.5+ within 150 km
- Nearest in 30 days
- 61 km M2.6, Sep 27, 2026
Recent earthquakes near Brentwood, CA
USGS recorded 4 earthquakes of magnitude 2.5 or more within 100 km of Brentwood, CA in the past 30 days, 1 of them in the last 7 days. The most recent was M3.1 94 km SSE of the city at Oct 21, 21:18 local time (4 days ago).
The average depth was about 4 km and 4 of 4 were shallow (under 70 km), which are the ones most likely to be felt at the surface. The busiest day was Sep 27, 2026 with 2 quakes.
USGS also lists 2 smaller quakes (below M2.5) within 100 km in the last 24 hours; these are rarely felt.
| Time (Brentwood, CA) | UTC | Magnitude | Distance | Depth | Location |
|---|---|---|---|---|---|
| Oct 24, 13:39 | Oct 24, 20:39 UTC | M2.5 | 139 km NW | 2 km | 7 km W of Cobb, CA |
| Oct 22, 14:58 | Oct 22, 21:58 UTC | M3.0 | 146 km SSE | 6 km | 15 km S of Tres Pinos, CA |
| Oct 21, 21:18 | Oct 22, 04:18 UTC | M3.1 | 94 km SSE | -1 km | 23 km WSW of Gustine, CA |
| Oct 20, 09:23 | Oct 20, 16:23 UTC | M2.5 | 134 km NW | 0 km | 2 km NW of The Geysers, CA |
| Oct 15, 10:57 | Oct 15, 17:57 UTC | M2.5 | 107 km SSE | 5 km | 10 km ESE of Gilroy, CA |
| Oct 14, 23:06 | Oct 15, 06:06 UTC | M2.8 | 139 km NW | 2 km | 7 km NW of The Geysers, CA |
| Sep 30, 14:07 | Sep 30, 21:07 UTC | M2.9 | 143 km NW | 5 km | 8 km ESE of Cloverdale, CA |
| Sep 30, 13:48 | Sep 30, 20:48 UTC | M2.5 | 127 km NW | 2 km | 1 km SSW of Anderson Springs, CA |
| Sep 29, 09:06 | Sep 29, 16:06 UTC | M2.5 | 82 km NW | 8 km | 5 km W of Yountville, CA |
| Sep 27, 07:40 | Sep 27, 14:40 UTC | M2.6 | 61 km SSE | 4 km | 26 km WSW of Westley, CA |
| Sep 27, 07:21 | Sep 27, 14:21 UTC | M3.3 | 61 km SSE | 3 km | 27 km WSW of Westley, CA |
M2.5+ within 150 km, past 30 days, newest first. Times in America/Los_Angeles.
Largest earthquakes near Brentwood, CA in the past year
The strongest earthquake within 150 km of Brentwood, CA in the past 12 months was M4.6 on Apr 2, 2026, 98 km SSW of the city (1 km SE of Boulder Creek, CA).
With 261 M2.5+ earthquakes in a year (about 21.8 a month), the area around Brentwood, CA is very active by global standards. 1 of the ten largest reached M4.5, the level at which damage near the epicentre becomes possible.
| Date | Magnitude | Distance | Depth | Location |
|---|---|---|---|---|
| Apr 2, 2026 | M4.6 | 98 km SSW | 10 km | 1 km SE of Boulder Creek, CA |
| May 7, 2026 | M4.4 | 134 km NW | 4 km | 2 km NW of The Geysers, CA |
| Jul 29, 2026 | M4.2 | 143 km NW | 6 km | 8 km ESE of Cloverdale, CA |
| Feb 2, 2026 | M4.2 | 29 km SW | 10 km | 4 km SE of San Ramon, CA |
| Jan 8, 2026 | M4.2 | 144 km NW | 3 km | 12 km ENE of Cloverdale, CA |
| Feb 21, 2026 | M4.2 | 137 km NW | 2 km | 5 km W of Cobb, CA |
| Nov 27, 2025 | M4.0 | 127 km S | 8 km | 5 km S of San Juan Bautista, CA |
| Dec 14, 2025 | M4.0 | 93 km WNW | 3 km | 6 km W of Glen Ellen, CA |
| Nov 26, 2025 | M4.0 | 106 km S | 3 km | 8 km E of Gilroy, CA |
| Dec 20, 2025 | M4.0 | 31 km SW | 10 km | 5 km SSE of San Ramon, CA |
Was it felt in Brentwood, CA?
The largest nearby quake this month, M3.3 at 61 km, was probably too small or too distant to notice in Brentwood, CA by a rough rule of thumb (an M3 is typically noticed within a few tens of km, an M5 up to a few hundred km; local ground and building type matter a lot).
USGS "Did You Feel It?" received reports for 9 of these quakes: M2.5 on Oct 24, 2026 (1 reports, max intensity 2); M3.1 on Oct 22, 2026 (9 reports, max intensity 2.1); M2.5 on Oct 20, 2026 (1 reports, max intensity 2); M2.5 on Oct 15, 2026 (3 reports, max intensity 2).
If you felt shaking, you can report it to USGS; reports refine the intensity map within minutes.
Tsunami warning status
4 earthquakes near Brentwood, CA in the past year carried the USGS tsunami flag: M4.2 4 km SE of San Ramon, CA (Feb 2, 2026); M4.0 5 km S of San Juan Bautista, CA (Nov 27, 2025); M4.0 6 km W of Glen Ellen, CA (Dec 14, 2025); M4.0 8 km E of Gilroy, CA (Nov 26, 2025). The flag means the quake was large enough and in an oceanic region where tsunami warning centres issue messages; it does not mean a tsunami happened.
Official tsunami warnings come from the NOAA tsunami warning centres (tsunami.gov) and national agencies; follow local authorities if you are on a coast after strong shaking.
Earthquakes around the world today
Worldwide, USGS listed 147 earthquakes of M1+ in the last 24 hours; the largest was M6.5 Bonin Islands, Japan region.
USGS lists every magnitude in the United States but outside it coverage is complete only from about M4–4.5, so smaller local quakes reported by national agencies may be missing. Magnitudes and locations are revised for hours after an event.
Earthquakes near other cities in United States and nearby
Earthquake pages
More live data for Brentwood, CA
Data: USGS Earthquake Hazards Program (ComCat), GeoNames (cities, CC BY 4.0).