QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5ml

17km S of Maricopa, CA

· 12 km deep · released about 160 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Ventura County 67 kmSanta Barbara County 70 kmKern County 80 kmSan Luis Obispo County 107 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 2.5 (ml)
Depth
12 km below the surface
Felt
1 report · strongest reported intensity II
Nearest
Ventura County, 67 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3231 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 160 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 92,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 65,000× the energy of this one
  3. Around the size people start to feel M 3.0 5.8× the energy of this one
  4. This earthquake M 2.5 about 160 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 34.9080, -119.4257. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Ventura County, CA 67 km (41 mi) NNW of here earthquakes near Ventura County
Santa Barbara County, CA 70 km (43 mi) NE of here earthquakes near Santa Barbara County
Kern County, CA 80 km (50 mi) SW of here earthquakes near Kern County
San Luis Obispo County, CA 107 km (67 mi) ESE of here earthquakes near San Luis Obispo County
Los Angeles County, CA 133 km (82 mi) NW of here earthquakes near Los Angeles County

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

Aftershocks so far

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

  1. 2.4 16km N of Pine Mountain Club, CA
  2. 2.1 21km E of Maricopa, CA
  3. 2.1 16km SSW of Pine Mountain Club, CA
  4. 1.6 14km WNW of Pine Mountain Club, CA
  5. 2.8 15km NW of Grapevine, CA
  6. 1.8 15km WNW of Pine Mountain Club, CA
  7. 2.2 14km WNW of Pine Mountain Club, CA
  8. 2.3 11km WSW of Grapevine, CA
  9. 2.6 15km NW of Grapevine, CA
  10. 1.6 3km N of Grapevine, CA
  11. 1.6 15km NW of Grapevine, CA
  12. 1.6 15km WNW of Grapevine, CA
  13. 1.6 15km WNW of Grapevine, CA
  14. 2.5 21km N of Pine Mountain Club, CA
  15. 1.6 10km ESE of Maricopa, 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.