Every recorded earthquake within 30 km
Earthquakes near Mountain Ranch, CA
No earthquake was likely felt in Mountain Ranch in the 24 hours to 5:23 pm PST (01:23 UTC). The last one was M 5.6, 265 km (165 mi) WNW, at 8:10 am PDT on 24 June 2026, estimated intensity II (weak) in town; 5,311 felt reports to USGS.
M 1.6
Latest: 1:09 am PST on 3 November 2026 · 12 km (7 mi) ESE of Mountain Ranch, CA
The most recent earthquake near Mountain Ranch was M 1.6, 12 km (7 mi) ESE of Mountain Ranch, CA, at 1:09 am PST on 3 November 2026. The estimated shaking in Mountain Ranch 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 Mountain Ranch in the last 24 hours.
- Last 24 hours
- 0
- Last 7 days
- 0
- Last 30 days
- 1 · since 2016, about one every 12 months
- Last 12 months
- 1 · largest M 1.6 on 3 November 2026
- Since 2016
- 11 earthquakes of M1.5 or more within 30 km
- Largest since 2016
- M 2.3 on 1 April 2022, 23 km (14 mi) SSE of Mountain Ranch, CA
- Reported felt
- 1 of them have felt reports to USGS
- Nearest mapped fault
- Foothills fault system, 13 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
- 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, and they are what produces the intensity maps
- Expect aftershocks, and be ready to Drop, Cover, and Hold On if you feel one; if you are in a damaged building, go outside and move away from it (Ready.gov, FEMA; what to do during and after an earthquake)
- Near the coast, go inland or to higher ground as soon as strong shaking stops (Ready.gov); official warnings are on Tsunami.gov
- 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.
Earthquake alerts for Mountain Ranch, CA
Get a notification in this browser when USGS records an earthquake near Mountain Ranch, CA. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
The last 30 days
The latest 11
- 1.6 12 km (7 mi) ESE of Mountain Ranch, CA
- 2.3 23 km (14 mi) SSE of Mountain Ranch, CA · felt by 3
- 1.7 20 km (13 mi) SSE of Mountain Ranch, CA
- 1.5 23 km (14 mi) SSE of Mountain Ranch, CA
- 1.7 15 km (9 mi) SE of Mountain Ranch, CA
- 1.5 25 km (15 mi) S of Mountain Ranch, CA
- 1.5 20 km (12 mi) SSE of Mountain Ranch, CA
- 1.6 19 km (12 mi) SSE of Mountain Ranch, CA
- 2.1 23 km (15 mi) SSE of Mountain Ranch, CA
- 2.3 23 km (14 mi) SSE of Mountain Ranch, CA
- 1.5 21 km (13 mi) SSE of Mountain Ranch, 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 Mountain Ranch time. Distances are from the town centre. Quakes USGS named after Mountain Ranch are listed even when they are further out.
Show these earthquakes on your own site: a free card with the latest quakes near Mountain Ranch, for a local news site, school or neighborhood page.
On the map
The white circle is Mountain Ranch; dots are the 11 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.
Estimated shaking in Mountain Ranch
None of the quakes recorded near Mountain Ranch 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.
| Magnitude | When | Distance | Shaking in Mountain Ranch (est.) |
|---|---|---|---|
| M 1.6 | 12 km | II · Weak | |
| M 2.3 | 23 km | II · Weak | |
| M 1.7 | 15 km | II · Weak | |
| M 2.1 | 23 km | II · Weak | |
| M 1.6 | 19 km | II · 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 Mountain Ranch.
USGS ComCat, M5+ from 1900 to 2015. This is the record, not a forecast.
Nearest mapped faults
- Foothills fault system, 13 km from its surface trace
USGS Quaternary Fault and Fold Database. Near is not the same as on.
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.
- Ready.gov: earthquakes (FEMA) — what to do before, during and after, including Drop, Cover, and Hold On
- Build a kit (FEMA) — water, food and supplies for several days; our summary
- USGS: preparedness — the hazard behind the advice, from the agency that records every quake on this page
- The Great ShakeOut — the yearly earthquake drill, with material for homes, schools and workplaces
- ShakeAlert covers Mountain Ranch, CA: alerts reach phones through Wireless Emergency Alerts and the MyShake app, seconds before shaking arrives
- Tsunami.gov (NOAA) — the official tsunami warnings for the coast; a quake page here never stands in for one
- California Earthquake Authority — retrofit grants and the state's not-for-profit earthquake insurance
QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.