QuakeIndex

Every recorded earthquake within 30 km

Earthquakes near Ripon, CA

No earthquake was likely felt in Ripon in the 24 hours to 6:34 pm PST (02:34 UTC). The last one was M 3.5, 46 km (29 mi) SW, at 7:21 am PDT on 27 September 2026, estimated intensity II (weak) in town; 8 felt reports to USGS.

M 2.0

Latest: 9:08 pm PDT on 22 July 2023 · 25 km (15 mi) SW of Ripon, CA

The most recent earthquake near Ripon was M 2.0, 25 km (15 mi) SW of Ripon, CA, at 9:08 pm PDT on 22 July 2023, 6 km deep. The estimated shaking in Ripon was intensity II (weak), felt by some people at rest indoors.

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

Last 24 hours
0
Last 7 days
0
Last 30 days
0 · since 2016, about one every 22 months
Last 12 months
0
Since 2016
6 earthquakes of M1.5 or more within 30 km
Largest since 2016
M 2.3 on 24 October 2022, 19 km (12 mi) SW of Ripon, CA
Reported felt
1 of them have felt reports to USGS
Nearest mapped fault
Great Valley thrust fault system, 26 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 6

  1. 2.0 25 km (15 mi) SW of Ripon, CA
  2. 1.7 16 km (10 mi) SW of Ripon, CA
  3. 2.3 19 km (12 mi) SW of Ripon, CA · felt by 1
  4. 1.6 22 km (14 mi) SW of Ripon, CA
  5. 1.8 24 km (15 mi) NW of Ripon, CA
  6. 1.8 27 km (17 mi) NW of Ripon, 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 Ripon time. Distances are from the town centre. Quakes USGS named after Ripon are listed even when they are further out.

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

On the map

The white circle is Ripon; dots are the 6 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Estimated shaking in Ripon

None of the quakes recorded near Ripon since 2016 is likely to have been felt in town: each was small for its distance. 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 Ripon (est.)
M 2.3 19 kmII · Weak · felt by 1
M 1.7 16 kmII · Weak
M 2.0 25 kmII · Weak
M 1.6 22 kmII · Weak
M 1.8 24 kmII · Weak

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. Ground conditions change it street by street. It describes the past, not a hazard.

Before 2016

The USGS record since 1900 lists no earthquake of M5 or more within 50 km of Ripon.

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

Modesto 16 km · Tracy 27 km · Patterson 30 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.