QuakeIndex

Earthquake · automatic estimate, may change

M 2.4md

Earthquake near Gardnerville Ranchos, NV

No earthquake was likely felt in Gardnerville Ranchos in the 24 hours to 7:09 am PST (15:09 UTC). The last one was M 2.9, 30 km (18 mi) W, at 11:58 pm PDT on 2 October 2026, estimated intensity II (weak) in town; 85 felt reports to USGS. Every earthquake near Gardnerville Ranchos

This page: a magnitude 2.4 earthquake was recorded 27 km (17 mi) south of Gardnerville Ranchos, NV, at 9:23 am PDT on 8 October 2025 (16:23 UTC), less than 1 km deep. 2 people have reported feeling it to USGS. The magnitude and location are an automatic first estimate and may change.

USGS: 7 km SE of Markleeville, CA

57 km (35 mi) S of Carson, NV · 101 km (63 mi) S of Reno, NV

9:23 am PDT, Oct 8, 2025 · · -2.0 km deep · released about 110 lb of TNT

10 km30 km60 km120 km N Alpine County 5 kmDouglas County 31 kmCarson City 57 kmLyon County 63 kmEl Dorado County 71 kmTuolumne County 72 kmAmador County 82 kmCalaveras County 87 kmStorey County 90 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
9:23 am PDT on 8 October 2025 ()
Where
27 km (17 mi) south of Gardnerville Ranchos, NV · earthquakes near Gardnerville Ranchos
Magnitude
M 2.4 (md)
Depth
-2.0 km below the surface
Felt
2 reports · strongest reported intensity III
Nearest
Alpine County, 5 km WSW
Nearest mapped fault
Genoa fault, 6 km from its surface trace — near is not the same as on
Status
Automatic — a machine’s first estimate, which may change

USGS · last changed by USGS · we first saw it 400 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 21 km (13 mi) from the epicentre. In Gardnerville Ranchos, 27 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: Topaz Ranch Estates.

How big was it?

This earthquake released about 110 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.4 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 130,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 95,000× the energy of this one
  3. Around the size people start to feel M 3.0 8.5× the energy of this one
  4. This earthquake M 2.4 about 110 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

The largest earthquake within 50 km since 2016 was M 6.0 on 2021-07-08 — about 270,000 times the energy of this one.

Before 2016, the USGS record lists 6 earthquakes of M5 or more within 50 km; the five largest:

  1. 6.1 4 km S of Carter Springs, Nevada · 21 km NNE of this epicentre
  2. 5.2 23 km S of Walker, California · 44 km SSE of this epicentre
  3. 5.1 10 km SE of South Lake Tahoe, California · 29 km NNW of this epicentre
  4. 5.1 8 km ESE of Mesa Vista, California · 15 km NNE of this epicentre
  5. 5.0 Near Coleville, California · 22 km ESE of this epicentre

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 38.6425, -119.7422. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Alpine County, CA 5 km (3 mi) WSW earthquakes near Alpine County
Douglas County, NV 31 km (20 mi) NNE earthquakes near Douglas County
Carson City, NV 57 km (35 mi) N earthquakes near Carson City
Lyon County, NV 63 km (39 mi) NE earthquakes near Lyon County
El Dorado County, CA 71 km (44 mi) WNW earthquakes near El Dorado County
Tuolumne County, CA 72 km (45 mi) SSW earthquakes near Tuolumne County

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

Aftershocks so far

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

  1. 1.6 7 km ENE of Coleville, California
  2. 2.9 10 km WSW of South Lake Tahoe, CA
  3. 3.3 9 km WSW of South Lake Tahoe, CA
  4. 2.3 20 km E of Markleeville, CA
  5. 1.6 4 km SW of Walker, California
  6. 1.6 13 km SE of Markleeville, CA
  7. 2.0 14 km SE of Markleeville, CA
  8. 2.0 6 km SSW of Smith Valley, Nevada
  9. 1.7 3 km SE of East Valley, Nevada
  10. 2.7 3 km W of Walker, CA
  11. 1.9 15 km SE of Markleeville, CA
  12. 1.9 14 km SE of Markleeville, CA
  13. 2.3 15 km SE of Markleeville, CA
  14. 2.3 15 km ESE of Markleeville, CA
  15. 2.0 2 km SW of Walker, 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.