QuakeIndex

Earthquake · reviewed by a seismologist

M 3.1ml

11 km NNW of Avenal, CA

· 11 km deep · released about 1,300 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Kings County 35 kmSan Luis Obispo County 80 kmFresno County 90 kmSan Benito County 99 kmMonterey County 102 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 3.1 (ml)
Depth
11 km below the surface
Felt
2 reports · strongest reported intensity III
Nearest
Kings County, 35 km E
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 652 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 2 people have reported feeling it to USGS.

How big was it?

This earthquake released about 1,300 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.1 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 270,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 12,000× the energy of this one
  3. Magna, Utah 2020 M 5.7 8,500× the energy of this one
  4. This earthquake M 3.1 about 1,300 lb of TNT
  5. Around the size people start to feel M 3.0 this one released 1.3× more

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 36.0833, -120.2017. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Kings County, CA 35 km (22 mi) W of here earthquakes near Kings County
San Luis Obispo County, CA 80 km (50 mi) NNE of here earthquakes near San Luis Obispo County
Fresno County, CA 90 km (56 mi) SSW of here earthquakes near Fresno County
San Benito County, CA 99 km (61 mi) SE of here earthquakes near San Benito County
Monterey County, CA 102 km (63 mi) E of here earthquakes near Monterey County

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

Aftershocks so far

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

  1. 1.9 10 km NNW of Avenal, CA
  2. 2.2 15 km NW of Parkfield, CA
  3. 2.3 17 km S of Kettleman City, CA
  4. 1.9 11 km NW of Parkfield, CA
  5. 2.0 22 km ENE of San Ardo, CA
  6. 1.7 25 km NNW of Parkfield, CA
  7. 2.1 19 km NNW of Parkfield, CA
  8. 2.1 25 km NNW of Parkfield, CA
  9. 2.1 25 km W of Coalinga, CA
  10. 1.8 17 km E of Kettleman City, CA
  11. 2.5 22 km ENE of San Ardo, CA
  12. 1.6 11 km NNW of Avenal, CA
  13. 2.7 19 km S of Kettleman City, CA
  14. 1.9 11 km N of Avenal, CA
  15. 1.7 12 km SSE of Cantua Creek, 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 4.3 on 2019-12-17 — it released about 65 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.