California, United States
Earthquakes Near San Ramon
ShareUSGS recorded 87 earthquakes within 50 km of San Ramon in the last 30 days and 1,359 in the last year, counting everything of magnitude 1.0 and above. The strongest in that year measured M 4.3.
- Depth
- When (UTC)
- Local time
- Coordinates
Recent earthquakes within 50 km of San Ramon
Last 30 days, newest first as of 2026-09-23 05:14 UTC
| Magnitude | Location | Depth | When (UTC) |
|---|---|---|---|
| M 0.9 | 20 km NE of Alum Rock, CA | 6.2 km deep | 2026-09-22 08:03 UTC |
| M 1.4 | 4 km NNW of San Leandro, CA | at the surface | 2026-09-22 04:54 UTC |
| M 2.3 | 2 km SE of Pacifica, CA | 8.6 km deep | 2026-09-22 03:24 UTC |
| M 1.4 | 3 km SW of American Canyon, CA | at the surface | 2026-09-21 18:55 UTC |
| M 2.0 | 9 km ESE of Livermore, CA | 10.2 km deep | 2026-09-21 05:18 UTC |
| M 1.7 | 2 km NNE of Pleasant Hill, CA | 15.3 km deep | 2026-09-21 00:44 UTC |
| M 1.2 | 2 km SE of Pacifica, CA | 8.5 km deep | 2026-09-20 11:03 UTC |
| M 2.1 | 2 km NE of Pacifica, CA | 6.6 km deep | 2026-09-20 00:16 UTC |
| M 1.1 | 3 km W of Dublin, CA | 8.6 km deep | 2026-09-19 12:06 UTC |
| M 1.1 | 4 km WNW of Dublin, CA | 8.9 km deep | 2026-09-19 12:06 UTC |
| M 2.5 | 10 km ENE of Milpitas, CA | 2.7 km deep | 2026-09-19 10:52 UTC |
| M 1.8 | 4 km NNE of Pacifica, CA | 3.8 km deep | 2026-09-17 09:32 UTC |
| M 2.0 | 3 km W of Dublin, CA | 9.4 km deep | 2026-09-16 19:15 UTC |
| M 1.5 | 2 km N of Berkeley, CA | 3.5 km deep | 2026-09-16 17:12 UTC |
| M 2.2 | 3 km W of Dublin, CA | 10.0 km deep | 2026-09-16 14:54 UTC |
| M 1.6 | 3 km W of Dublin, CA | 9.9 km deep | 2026-09-16 14:53 UTC |
| M 1.9 | 6 km SW of Antioch, CA | 14.1 km deep | 2026-09-15 23:23 UTC |
| M 2.4 | 3 km WNW of Dublin, CA | 10.0 km deep | 2026-09-15 20:00 UTC |
| M 1.5 | 4 km NNE of Crockett, CA | 7.7 km deep | 2026-09-14 15:17 UTC |
| M 3.0 | 9 km SW of Brentwood, CA | 16.9 km deep | 2026-09-14 13:47 UTC |
| M 1.5 | 10 km ENE of Blackhawk, CA | 12.9 km deep | 2026-09-14 13:47 UTC |
| M 1.4 | 1 km ENE of Woodside, CA | 3.8 km deep | 2026-09-14 10:48 UTC |
| M 1.7 | 1 km ENE of Woodside, CA | 3.9 km deep | 2026-09-14 00:52 UTC |
| M 2.0 | 1 km E of Woodside, CA | 4.2 km deep | 2026-09-14 00:45 UTC |
| M 2.5 | 1 km E of Woodside, CA | 4.4 km deep | 2026-09-14 00:44 UTC |
| M 2.5 | 9 km SW of Brentwood, CA | 16.8 km deep | 2026-09-13 22:06 UTC |
| M 1.5 | 14 km SSE of Livermore, CA | 3.1 km deep | 2026-09-13 14:11 UTC |
| M 0.8 | 4 km E of Berkeley, CA | 4.8 km deep | 2026-09-13 11:09 UTC |
| M 1.4 | 3 km SE of Berkeley, CA | 4.7 km deep | 2026-09-12 15:07 UTC |
| M 1.4 | 1 km SE of Oakland, CA | 7.2 km deep | 2026-09-12 08:34 UTC |
| M 1.0 | 2 km ENE of Berkeley, CA | 9.1 km deep | 2026-09-12 08:24 UTC |
| M 3.1 | 9 km ENE of Blackhawk, CA | 15.9 km deep | 2026-09-12 07:25 UTC |
| M 1.1 | 3 km W of Dublin, CA | 9.1 km deep | 2026-09-11 20:04 UTC |
| M 1.3 | 3 km W of Dublin, CA | 9.1 km deep | 2026-09-11 18:54 UTC |
| M 1.4 | 7 km E of Santa Venetia, CA | at the surface | 2026-09-11 18:31 UTC |
| M 0.4 | 3 km ESE of Hayward, CA | 2.4 km deep | 2026-09-11 14:14 UTC |
| M 1.3 | 3 km W of Dublin, CA | 9.0 km deep | 2026-09-11 13:28 UTC |
| M 1.1 | 3 km W of Dublin, CA | 10.1 km deep | 2026-09-11 12:00 UTC |
| M 1.5 | 3 km W of Dublin, CA | 9.1 km deep | 2026-09-11 09:17 UTC |
| M 1.0 | 3 km W of Dublin, CA | 9.6 km deep | 2026-09-11 06:57 UTC |
The largest on record within 50 km of San Ramon
Since 1900, when the instrumental record becomes usable. The largest is M 5.8 at The 1980 Livermore, California Earthquake on 1980-01-24: moderate: can damage poorly built structures.
Largest since 1900 USGS
| Magnitude | Location | Date | Depth |
|---|---|---|---|
| M 5.8 | The 1980 Livermore, California Earthquake | 1980-01-24 | 14.5 km deep |
| M 5.7 | 15 km NE of East Foothills, California | 1986-03-31 | 8.5 km deep |
| M 5.5 | 6 km NNE of East Foothills, California | 2007-10-31 | 9.7 km deep |
| M 5.4 | 9 km NE of Livermore, California | 1980-01-27 | 14.2 km deep |
| M 5.3 | The 1957 San Francisco, California Earthquake | 1957-03-22 | Not recorded |
| M 5.3 | 6 km E of East Foothills, California | 1988-06-13 | 9.1 km deep |
| M 5.1 | 11 km E of Blackhawk, California | 1980-01-24 | 6.5 km deep |
| M 4.9 | 1 km WNW of Antioch, California | 1965-09-10 | Not recorded |
| M 4.8 | 11 km E of Blackhawk, California | 1980-01-24 | 3.7 km deep |
| M 4.6 | 10 km SW of Brentwood, California | 1980-01-25 | 9.3 km deep |
How these numbers were counted
Counts include every earthquake of magnitude 1.0 and above that USGS located within 50 km of San Ramon. The search is a circle of 50 km around the centre of San Ramon, so everything listed is genuinely within that distance. Full method, including why counts from different places are not comparable.
Source: USGS Earthquake Hazards Program (FDSN event service). Retrieved 2026-09-23. Public domain.