QuakeIndex

Earthquake · reviewed by a seismologist

M 2.1ml

21km N of Pine Mountain Club, CA

· 17 km deep · released about 44 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Kern County 51 kmVentura County 76 kmSanta Barbara County 98 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 2.1 (ml)
Depth
17 km below the surface
Felt
no reports yet
Nearest
Kern County, 51 km NE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2048 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

How big was it?

This earthquake released about 44 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.1 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 340,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 240,000× the energy of this one
  3. Around the size people start to feel M 3.0 22× the energy of this one
  4. This earthquake M 2.1 about 44 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 35.0385, -119.1518. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Kern County, CA 51 km (32 mi) SW of here earthquakes near Kern County
Ventura County, CA 76 km (47 mi) N of here earthquakes near Ventura County
Santa Barbara County, CA 98 km (61 mi) NE of here earthquakes near Santa Barbara County
San Luis Obispo County, CA 124 km (77 mi) ESE of here earthquakes near San Luis Obispo County
Los Angeles County, CA 124 km (77 mi) NW of here earthquakes near Los Angeles County
Kings County, CA 130 km (81 mi) SSE of here earthquakes near Kings 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. 1.9 10km WSW of Grapevine, CA
  2. 1.6 16km SW of Buttonwillow, CA
  3. 1.7 16km N of Pine Mountain Club, CA
  4. 1.6 8km W of Frazier Park, CA
  5. 1.6 19km N of Pine Mountain Club, CA
  6. 1.9 9km W of Grapevine, CA
  7. 1.6 19km ENE of Maricopa, CA
  8. 1.5 17km ENE of Lebec, CA
  9. 1.7 18km WNW of Grapevine, CA
  10. 1.7 18km N of Pine Mountain Club, CA
  11. 2.0 9km S of Lamont, CA
  12. 1.6 15km W of Taft, CA
  13. 1.5 12km NNE of Pine Mountain Club, CA
  14. 1.7 21km S of Rosedale, CA
  15. 2.0 14km NNW of Grapevine, 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

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