Every recorded earthquake near
Earthquakes near Acalanes Ridge, CA
M 3.0
Latest: 6:47 am PDT on 14 September 2026 · 24 km (15 mi) E of Acalanes Ridge, CA
The most recent earthquake of M2.5 or more near Acalanes Ridge was M 3.0, 24 km (15 mi) E of Acalanes Ridge, CA, at 6:47 am PDT on 14 September 2026. 52 people reported feeling it to USGS. 11 smaller earthquakes have been recorded nearby since; the newest is first in the list below.
- Within 30 km since 2016
- 1,910 earthquakes of M1.5 or more
- In the last 12 months
- 496
- Largest since 2016
- M 4.5 on 14 October 2019, 4 km (3 mi) NNE of Acalanes Ridge, CA
- Reported felt
- 1,001 of them have felt reports to USGS
USGS · feed checked · newest earthquake in our database · this page
The latest 50
- 2.0 22 km (13 mi) WNW of Acalanes Ridge, CA
- 1.7 17 km (11 mi) SSE of Acalanes Ridge, CA
- 1.6 17 km (11 mi) SSE of Acalanes Ridge, CA
- 2.3 13 km (8 mi) W of Acalanes Ridge, CA · felt by 2
- 2.2 18 km (11 mi) NNW of Acalanes Ridge, CA · felt by 65
- 1.7 7 km (5 mi) NNE of Acalanes Ridge, CA
- 2.0 24 km (15 mi) SSE of Acalanes Ridge, CA
- 2.2 24 km (15 mi) SSE of Acalanes Ridge, CA
- 1.6 24 km (15 mi) SSE of Acalanes Ridge, CA
- 1.9 21 km (13 mi) ENE of Acalanes Ridge, CA
- 2.4 24 km (15 mi) SSE of Acalanes Ridge, CA · felt by 3
- 3.0 24 km (15 mi) E of Acalanes Ridge, CA · felt by 52
- 2.5 24 km (15 mi) E of Acalanes Ridge, CA · felt by 5
- 3.1 23 km (14 mi) ESE of Acalanes Ridge, CA · felt by 257
- 2.1 24 km (15 mi) SSE of Acalanes Ridge, CA
- 2.1 24 km (15 mi) SSE of Acalanes Ridge, CA · felt by 1
- 2.1 24 km (15 mi) SSE of Acalanes Ridge, CA
- 2.5 17 km (11 mi) SW of Acalanes Ridge, CA · felt by 64
- 1.6 26 km (16 mi) NNW of Acalanes Ridge, CA · felt by 8
- 1.8 13 km (8 mi) SE of Acalanes Ridge, CA
- 1.7 28 km (17 mi) E of Acalanes Ridge, CA
- 1.9 5 km (3 mi) WSW of Acalanes Ridge, CA · felt by 1
- 1.7 26 km (16 mi) NNW of Acalanes Ridge, CA · felt by 6
- 2.3 25 km (16 mi) SW of Acalanes Ridge, CA · felt by 8
- 1.7 12 km (7 mi) E of Acalanes Ridge, CA
- 2.5 9 km (6 mi) NE of Acalanes Ridge, CA · felt by 13
- 1.6 29 km (18 mi) S of Acalanes Ridge, CA
- 1.6 9 km (5 mi) NNE of Acalanes Ridge, CA
- 2.2 18 km (11 mi) SSW of Acalanes Ridge, CA · felt by 9
- 1.6 18 km (11 mi) SSW of Acalanes Ridge, CA
- 2.8 18 km (11 mi) SSW of Acalanes Ridge, CA · felt by 227
- 3.8 18 km (11 mi) SSW of Acalanes Ridge, CA · felt by 7,876
- 2.1 18 km (11 mi) SSW of Acalanes Ridge, CA · felt by 25
- 1.8 11 km (7 mi) E of Acalanes Ridge, CA
- 1.9 5 km (3 mi) NNE of Acalanes Ridge, CA
- 2.0 8 km (5 mi) SSE of Acalanes Ridge, CA · felt by 2
- 1.8 8 km (5 mi) SSE of Acalanes Ridge, CA
- 1.7 8 km (5 mi) NNE of Acalanes Ridge, CA
- 1.9 18 km (11 mi) SW of Acalanes Ridge, CA · felt by 1
- 2.0 16 km (10 mi) W of Acalanes Ridge, CA · felt by 2
- 2.6 19 km (12 mi) SSW of Acalanes Ridge, CA · felt by 417
- 1.5 11 km (7 mi) E of Acalanes Ridge, CA
- 1.9 9 km (5 mi) NNE of Acalanes Ridge, CA
- 1.8 19 km (12 mi) ENE of Acalanes Ridge, CA
- 1.8 8 km (5 mi) SSE of Acalanes Ridge, CA
- 1.9 8 km (5 mi) E of Acalanes Ridge, CA
- 2.0 28 km (18 mi) S of Acalanes Ridge, CA · felt by 6
- 1.6 23 km (14 mi) E of Acalanes Ridge, CA
- 1.7 11 km (7 mi) E of Acalanes Ridge, CA
- 2.4 27 km (17 mi) S of Acalanes Ridge, CA · felt by 42
From the QuakeIndex database, which reads the USGS feed every 30 seconds and holds the USGS catalogue for the US from 2016 (M1.5+). Times are Acalanes Ridge time. Distances are from the town centre. Quakes USGS named after Acalanes Ridge are listed even when they are further out.
On the map
The white circle is Acalanes Ridge; dots are the 50 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.
Before 2016
The USGS record since 1900 lists 7 earthquakes of M5 or more within 50 km of Acalanes Ridge; the five largest:
- 7.9 The 1906 San Francisco, California Earthquake · 45 km WSW of Acalanes Ridge
- 6.0 The 2014 South Napa, California Earthquake · 40 km NNW of Acalanes Ridge
- 5.8 The 1980 Livermore, California Earthquake · 28 km ESE of Acalanes Ridge
- 5.4 South of Elmira, California · 47 km NNE of Acalanes Ridge
- 5.4 9 km NE of Livermore, California · 37 km ESE of Acalanes Ridge
USGS ComCat, M5+ from 1900 to 2016. This is the record, not a forecast.
Nearest mapped faults
- Concord fault, 9 km from its surface trace
- Calaveras fault, 9 km from its surface trace
- Greenville fault, 13 km from its surface trace
USGS Quaternary Fault and Fold Database. Near is not the same as on.
Nearby towns
Walnut Creek 1 km · Saranap 2 km · Lafayette 4 km · Pleasant Hill 5 km · Alamo 7 km · Pacheco 9 km · Concord 9 km · Orinda 9 km
If you felt one
- Was that an earthquake? — checks what was recorded near you in the last hour
- Report what you felt to USGS — reports go to USGS, not to us
- Earthquakes in California, with the state's activity score
QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.