QuakeIndex

Earthquake · reviewed by a seismologist

M 2.7md

6 km WSW of Friant, CA

· 22 km deep · released about 290 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Fresno County 24 kmMadera County 28 kmMariposa County 70 kmMerced County 88 kmKings County 98 kmTuolumne County 120 kmTulare County 120 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 2.7 (md)
Depth
22 km below the surface
Felt
3 reports · strongest reported intensity II
Nearest
Fresno County, 24 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 115 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 3 people have reported feeling it to USGS.

How big was it?

This earthquake released about 290 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 51,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 36,000× the energy of this one
  3. Around the size people start to feel M 3.0 3.2× the energy of this one
  4. This earthquake M 2.7 about 290 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 36.9553, -119.7728. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Fresno County, CA 24 km (15 mi) NNW of here earthquakes near Fresno County
Madera County, CA 28 km (18 mi) S of here earthquakes near Madera County
Mariposa County, CA 70 km (43 mi) S of here earthquakes near Mariposa County
Merced County, CA 88 km (55 mi) ESE of here earthquakes near Merced County
Kings County, CA 98 km (61 mi) N of here earthquakes near Kings County
Tuolumne County, CA 120 km (74 mi) S of here earthquakes near Tuolumne County

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

Aftershocks so far

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

  1. 1.7 7 km E of Yosemite Lakes, CA
  2. 1.8 11 km S of Yosemite Lakes, CA
  3. 1.7 7 km ENE of Bonadelle Ranchos-Madera Ranchos, CA
  4. 1.8 14 km SSW of Bootjack, CA
  5. 1.9 8 km ESE of Coarsegold, CA
  6. 1.9 7 km N of Shaver Lake, CA
  7. 2.0 8 km ESE of Coarsegold, CA
  8. 2.1 9 km E of Friant, CA
  9. 2.4 4 km SSE of Shaver Lake, CA
  10. 2.2 3 km S of Shaver Lake, CA
  11. 2.0 9 km ESE of Coarsegold, CA
  12. 2.5 14 km NNW of Squaw Valley, CA
  13. 2.0 7 km ENE of Bonadelle Ranchos-Madera Ranchos, CA
  14. 1.8 6 km ENE of Bonadelle Ranchos-Madera Ranchos, CA
  15. 1.7 8 km ESE of Coarsegold, 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.