QuakeIndex

Earthquake · reviewed by a seismologist

M 2.6md

Earthquake near Dublin, CA

No earthquake was likely felt in Dublin in the 24 hours to 4:02 am PST (12:02 UTC). The last one was M 1.9, 5 km (3 mi) SW, at 10:32 am PST on 2 November 2026, estimated intensity II (weak) in town. Every earthquake near Dublin

This page: a magnitude 2.6 earthquake was recorded 5 km (3 mi) north of Dublin, CA, at 5:24 pm PST on 2 February 2026 (01:24 UTC), 8.7 km deep. 27 people have reported feeling it to USGS.

USGS: 5 km N of Dublin, CA

in San Ramon, CA · 42 km (26 mi) E of San Francisco, CA

5:24 pm PST, Feb 2, 2026 · · 8.7 km deep · released about 220 lb of TNT

Every earthquake near Dublin Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Alameda County 11 kmContra Costa County 19 kmSan Mateo County 53 kmSolano County 58 kmSan Joaquin County 62 kmSanta Clara County 62 kmMarin County 78 kmSanta Cruz County 82 kmStanislaus County 85 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
5:24 pm PST on 2 February 2026 ()
Where
5 km (3 mi) north of Dublin, CA · earthquakes near Dublin
Magnitude
M 2.6 (md)
Depth
8.7 km below the surface
Felt
27 reports · strongest reported intensity IV
Nearest
Alameda County, 11 km SSE
Nearest mapped fault
Pleasanton fault, under 1 km from its surface trace — near is not the same as on
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 203 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

At this magnitude and depth, people at rest would likely notice it out to about 22 km (14 mi) from the epicentre. In Dublin, 5 km away, the estimate is intensity III (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Likely felt in: Dublin 5 km, intensity III · San Ramon 5 km, intensity III · Danville 10 km, intensity II · Pleasanton 11 km, intensity II · Castro Valley 14 km, intensity II · Alamo 14 km, intensity II · Hayward 15 km, intensity II · Livermore 17 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 220 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 68,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 48,000× the energy of this one
  3. Around the size people start to feel M 3.0 4.3× the energy of this one
  4. This earthquake M 2.6 about 220 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

For this area

The largest earthquake within 50 km since 2016 was M 4.5 on 2019-10-15 — about 660 times the energy of this one.

Before 2016, the USGS record lists 7 earthquakes of M5 or more within 50 km; the five largest:

  1. 5.8 The 1980 Livermore, California Earthquake · 18 km NE of this epicentre
  2. 5.7 15 km NE of East Foothills, California · 37 km SE of this epicentre
  3. 5.5 6 km NNE of East Foothills, California · 38 km SSE of this epicentre
  4. 5.4 9 km NE of Livermore, California · 21 km E of this epicentre
  5. 5.3 The 1957 San Francisco, California Earthquake · 49 km W of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 37.7462, -121.9398. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Alameda County, CA 11 km (7 mi) SSE earthquakes near Alameda County
Contra Costa County, CA 19 km (12 mi) N earthquakes near Contra Costa County
San Mateo County, CA 53 km (33 mi) SW earthquakes near San Mateo County
Solano County, CA 58 km (36 mi) N earthquakes near Solano County
San Joaquin County, CA 62 km (39 mi) ENE earthquakes near San Joaquin County
Santa Clara County, CA 62 km (39 mi) SSE earthquakes near Santa Clara County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

59 earthquakes have been recorded within 50 km since this one.

  1. 2.2 9 km E of Alum Rock, CA
  2. 1.8 9 km E of Alum Rock, CA
  3. 2.4 3 km S of Walnut Creek, CA
  4. 1.5 3 km ESE of Berkeley, CA
  5. 2.1 3 km SE of Pacifica, CA
  6. 1.9 3 km NNW of Pittsburg, CA
  7. 1.9 9 km E of Alum Rock, CA
  8. 1.9 3 km ESE of San Ramon, CA
  9. 1.6 1 km N of Pleasant Hill, CA
  10. 1.5 4 km ESE of San Ramon, CA
  11. 1.6 4 km SE of San Ramon, CA
  12. 2.1 3 km SE of Pacifica, CA
  13. 1.8 3 km SE of Pacifica, CA
  14. 2.0 4 km ESE of San Ramon, CA
  15. 1.9 3 km S of Pleasanton, CA

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.