QuakeIndex

Earthquake · reviewed by a seismologist

M 3.3ml

22km NNW of Tehachapi, CA

· 3.3 km deep · released about 1.3 tons of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Kern County 18 kmTulare County 104 kmVentura County 119 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 3.3 (ml)
Depth
3.3 km below the surface
Felt
12 reports · strongest reported intensity III
Nearest
Kern County, 18 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1569 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 12 people have reported feeling it to USGS.

How big was it?

This earthquake released about 1.3 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.3 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 130,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 6,000× the energy of this one
  3. Magna, Utah 2020 M 5.7 4,300× the energy of this one
  4. This earthquake M 3.3 about 1.3 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 2.6× 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 35.3132, -118.5362. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Kern County, CA 18 km (11 mi) ESE of here earthquakes near Kern County
Tulare County, CA 104 km (65 mi) SSE of here earthquakes near Tulare County
Ventura County, CA 119 km (74 mi) NNE of here earthquakes near Ventura County
Kings County, CA 143 km (89 mi) SE of here earthquakes near Kings County

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

Aftershocks so far

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

  1. 3.4 12km SE of Bodfish, CA
  2. 1.5 13km SE of Bodfish, CA
  3. 2.0 13km SE of Bodfish, CA
  4. 3.8 13km SE of Bodfish, CA
  5. 3.5 22km ESE of Bodfish, CA
  6. 1.9 24km SE of Bodfish, CA
  7. 2.1 8km ESE of Bodfish, CA
  8. 3.5 9km ESE of Bodfish, CA
  9. 2.0 20km NW of Tehachapi, CA
  10. 1.9 7km SE of Bodfish, CA
  11. 1.5 21km ESE of Bodfish, CA
  12. 1.8 25km SSW of Bodfish, CA
  13. 1.8 25km SW of Bodfish, CA
  14. 2.0 25km SW of Bodfish, CA
  15. 1.9 20km NNW of Tehachapi, 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 4.0 on 2021-08-27 — it released about 12 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.