QuakeIndex

Earthquake · reviewed by a seismologist

M 2.1md

Earthquake near Ahwahnee, CA

No earthquake was likely felt in Ahwahnee in the 24 hours to 2:52 am PST (10:52 UTC). The last one was M 2.7, 17 km (11 mi) SW, at 7:57 pm PDT on 28 April 2026, estimated intensity II (weak) in town; 25 felt reports to USGS. Every earthquake near Ahwahnee

This page: a magnitude 2.1 earthquake was recorded 9 km (6 mi) north-northeast of Ahwahnee, CA, at 3:29 am PDT on 25 July 2025 (10:29 UTC), 13 km deep. 5 people have reported feeling it to USGS.

USGS: 9 km NE of Ahwahnee, CA

73 km (45 mi) N of Fresno, CA

3:29 am PDT, Jul 25, 2025 · · 13 km deep · released about 49 lb of TNT

10 km30 km60 km120 km N Madera County 26 kmMariposa County 26 kmTuolumne County 70 kmFresno County 75 kmMono County 88 kmMerced County 97 kmCalaveras County 115 kmStanislaus County 118 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
3:29 am PDT on 25 July 2025 ()
Where
9 km (6 mi) north-northeast of Ahwahnee, CA · earthquakes near Ahwahnee
Magnitude
M 2.1 (md)
Depth
13 km below the surface
Felt
5 reports · strongest reported intensity III
Nearest
Madera County, 26 km SSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 467 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth, people at rest would likely notice it out to about 12 km (7 mi) from the epicentre. In Ahwahnee, 9 km away, the estimate is intensity II (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.

Earthquakes near other towns within 30 km: Oakhurst, Coarsegold, Midpines, Mariposa, Yosemite Lakes.

How big was it?

This earthquake released about 49 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.1 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 310,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 220,000× the energy of this one
  3. Around the size people start to feel M 3.0 19× the energy of this one
  4. This earthquake M 2.1 about 49 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

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

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 37.4327, -119.6715. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Madera County, CA 26 km (16 mi) SSW earthquakes near Madera County
Mariposa County, CA 26 km (16 mi) NW earthquakes near Mariposa County
Tuolumne County, CA 70 km (44 mi) NNW earthquakes near Tuolumne County
Fresno County, CA 75 km (46 mi) S earthquakes near Fresno County
Mono County, CA 88 km (55 mi) NE earthquakes near Mono County
Merced County, CA 97 km (60 mi) WSW earthquakes near Merced County

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

Aftershocks so far

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

  1. 1.7 22 km SE of Yosemite Valley, CA
  2. 2.5 22 km SE of Yosemite Valley, CA
  3. 1.8 11 km S of Yosemite Lakes, CA
  4. 1.9 16 km ESE of Yosemite Valley, CA
  5. 1.7 7 km ENE of Bonadelle Ranchos-Madera Ranchos, CA
  6. 1.8 14 km SSW of Bootjack, CA
  7. 1.9 8 km ESE of Coarsegold, CA
  8. 1.7 23 km WSW of Mammoth Lakes, CA
  9. 1.9 7 km N of Shaver Lake, CA
  10. 1.6 31 km NNE of North Fork, CA
  11. 2.0 8 km ESE of Coarsegold, CA
  12. 1.7 16 km SE of Yosemite Valley, CA
  13. 1.8 18 km ESE of Yosemite Valley, CA
  14. 2.1 19 km SE of Yosemite Valley, CA
  15. 1.5 19 km SE of Yosemite Valley, 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.