QuakeIndex

Every recorded earthquake within 30 km

Earthquakes near Walnut Grove, CA

No earthquake was likely felt in Walnut Grove in the 24 hours to 1:32 am PST (09:32 UTC). The last one was M 3.8, 78 km (48 mi) SW, at 8:30 am PDT on 13 August 2026, estimated intensity II (weak) in town; 7,876 felt reports to USGS.

M 2.9

Latest: 7:42 am PDT on 23 October 2023 · 18 km (11 mi) SW of Walnut Grove, CA

The most recent earthquake of M2.5 or more near Walnut Grove was M 2.9, 18 km (11 mi) SW of Walnut Grove, CA, at 7:42 am PDT on 23 October 2023. 108 people reported feeling it to USGS. The estimated shaking in Walnut Grove was intensity II (weak), felt by some people at rest indoors. 7 smaller earthquakes have been recorded near Walnut Grove since; the newest is first in the list below.

No earthquake of M1.5 or more was recorded within 30 km (19 mi) of Walnut Grove in the last 24 hours.

Last 24 hours
0
Last 7 days
0
Last 30 days
0 · since 2016, about one every 5 months
Last 12 months
0
Since 2016
24 earthquakes of M1.5 or more within 30 km
Largest since 2016
M 4.2 on 18 October 2023, 17 km (11 mi) SW of Walnut Grove, CA
Reported felt
9 of them have felt reports to USGS
Nearest mapped fault
Great Valley thrust fault system, 38 km from its surface trace

USGS · feed checked · newest earthquake in our database · this page · counts are earthquakes of M1.5 or more within 30 km (19 mi) of the town centre; shaking is estimated for the town centre with the intensity equation USGS Did You Feel It? uses

If you felt one

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.

The last 30 days

Oct 14 Oct 29 Nov 12
Each mark is a day's largest quake within range; its size is the magnitude. Too few days here have any earthquake at all to draw a normal range.

The latest 24

  1. 1.9 22 km (14 mi) W of Walnut Grove, CA
  2. 1.7 29 km (18 mi) WSW of Walnut Grove, CA
  3. 2.1 30 km (18 mi) WSW of Walnut Grove, CA
  4. 1.8 30 km (19 mi) WSW of Walnut Grove, CA · felt by 1
  5. 1.8 26 km (16 mi) WSW of Walnut Grove, CA
  6. 1.6 18 km (11 mi) SSW of Walnut Grove, CA
  7. 2.5 19 km (12 mi) SW of Walnut Grove, CA · felt by 1
  8. 2.9 18 km (11 mi) SW of Walnut Grove, CA · felt by 108
  9. 2.8 18 km (11 mi) SW of Walnut Grove, CA · felt by 2
  10. 4.2 17 km (11 mi) SW of Walnut Grove, CA · felt by 7,899
  11. 1.9 24 km (15 mi) NNW of Walnut Grove, CA
  12. 1.9 29 km (18 mi) S of Walnut Grove, CA
  13. 1.9 26 km (16 mi) SSW of Walnut Grove, CA · felt by 1
  14. 1.9 23 km (14 mi) W of Walnut Grove, CA
  15. 2.1 24 km (15 mi) W of Walnut Grove, CA
  16. 2.6 27 km (17 mi) W of Walnut Grove, CA · felt by 6
  17. 1.5 22 km (14 mi) SW of Walnut Grove, CA
  18. 2.1 18 km (11 mi) SW of Walnut Grove, CA
  19. 2.7 19 km (12 mi) SW of Walnut Grove, CA · felt by 85
  20. 2.0 15 km (10 mi) SW of Walnut Grove, CA
  21. 2.1 24 km (15 mi) WNW of Walnut Grove, CA
  22. 2.3 29 km (18 mi) W of Walnut Grove, CA · felt by 1
  23. 2.1 24 km (15 mi) WSW of Walnut Grove, CA
  24. 2.6 26 km (16 mi) W of Walnut Grove, CA

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 Walnut Grove time. Distances are from the town centre. Quakes USGS named after Walnut Grove are listed even when they are further out.

Show these earthquakes on your own site: a free card with the latest quakes near Walnut Grove, for a local news site, school or neighborhood page.

On the map

The white circle is Walnut Grove; dots are the 24 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Estimated shaking in Walnut Grove

The strongest shaking in Walnut Grove from a quake since 2016 is estimated at intensity IV (light), from the M 4.2 on 18 October 2023, 17 km away. Intensity II and III are felt by some people at rest indoors; IV by most people indoors; V and above wakes sleepers and moves objects.

MagnitudeWhenDistanceShaking in Walnut Grove (est.)
M 4.2 17 kmIV · Light · felt by 7,899
M 2.9 18 kmII · Weak · felt by 108
M 2.8 18 kmII · Weak · felt by 2
M 2.5 19 kmII · Weak · felt by 1
M 2.7 19 kmII · Weak · felt by 85

An estimate for the town centre from magnitude, depth and distance, with the intensity equation USGS Did You Feel It? uses (Atkinson & Wald, 2007), on the Modified Mercalli scale. All 5 reach intensity II or more in town, where people at rest start to notice. Ground conditions change it street by street. It describes the past, not a hazard.

Before 2016

The USGS record since 1900 lists one earthquake of M5 or more within 50 km of Walnut Grove:

  1. 5.4 South of Elmira, California · 35 km W of Walnut Grove

USGS ComCat, M5+ from 1900 to 2015. This is the record, not a forecast.

Nearest mapped faults

USGS Quaternary Fault and Fold Database. Near is not the same as on.

Nearby towns

Rio Vista 18 km · Oakley 32 km · Dixon 35 km · Antioch 37 km

Be ready

Earthquakes cannot be predicted, here or anywhere, so the useful step is the one taken beforehand. The advice below is from the agencies responsible for it.

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.