QuakeIndex

Earthquake · reviewed by a seismologist

M 2.6md

8km N of Truckee, CA

· 9.8 km deep · released about 270 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Sierra County 36 kmCarson City 46 kmNevada County 53 kmStorey County 56 kmPlacer County 61 kmDouglas County 74 kmEl Dorado County 75 kmPlumas County 86 kmAlpine County 93 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
Magnitude
M 2.6 (md)
Depth
9.8 km below the surface
Felt
10 reports · strongest reported intensity III
Nearest
Sierra County, 36 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2017 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 10 people have reported feeling it to USGS.

How big was it?

This earthquake released about 270 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 57,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 40,000× the energy of this one
  3. Around the size people start to feel M 3.0 3.6× the energy of this one
  4. This earthquake M 2.6 about 270 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.

Where

Epicentre 39.4017, -120.1720. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Sierra County, CA 36 km (22 mi) ESE of here earthquakes near Sierra County
Carson City, NV 46 km (28 mi) NW of here earthquakes near Carson City
Nevada County, CA 53 km (33 mi) ENE of here earthquakes near Nevada County
Storey County, NV 56 km (35 mi) W of here earthquakes near Storey County
Placer County, CA 61 km (38 mi) NE of here earthquakes near Placer County
Douglas County, NV 74 km (46 mi) NW of here earthquakes near Douglas County

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

Aftershocks so far

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

  1. 4.7 19km NW of Truckee, CA
  2. 1.7 15 km SSE of Sierraville, California
  3. 2.7 20km NW of Truckee, CA
  4. 3.1 19km NW of Truckee, CA
  5. 1.6 3 km NNW of Reno, Nevada
  6. 1.5 15 km SSE of Sierraville, California
  7. 2.5 9km SE of Dollar Point, CA
  8. 2.4 16km SW of Loyalton, CA
  9. 1.6 8 km SE of Dollar Point, California
  10. 2.1 9km SE of Dollar Point, CA
  11. 2.3 11km N of Truckee, CA
  12. 1.6 8 km SE of Dollar Point, California
  13. 2.4 10km SE of Dollar Point, CA
  14. 1.5 8 km WNW of Glenbrook, Nevada
  15. 2.4 9km SE of Dollar Point, 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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.5 on 2020-03-21 — it released about 640 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.