QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3md

17km NNE of New Idria, CA

· 16 km deep · released about 74 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N San Benito County 45 kmMerced County 72 kmMonterey County 74 kmFresno County 86 kmKings County 88 kmMadera County 104 kmStanislaus County 118 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 2.3 (md)
Depth
16 km below the surface
Felt
no reports yet
Nearest
San Benito County, 45 km W
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2046 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 74 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.3 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 200,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 140,000× the energy of this one
  3. Around the size people start to feel M 3.0 13× the energy of this one
  4. This earthquake M 2.3 about 74 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 36.5553, -120.5875. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
San Benito County, CA 45 km (28 mi) E of here earthquakes near San Benito County
Merced County, CA 72 km (45 mi) S of here earthquakes near Merced County
Monterey County, CA 74 km (46 mi) ENE of here earthquakes near Monterey County
Fresno County, CA 86 km (54 mi) WSW of here earthquakes near Fresno County
Kings County, CA 88 km (54 mi) NW of here earthquakes near Kings County
Madera County, CA 104 km (65 mi) SW of here earthquakes near Madera 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 4km N of Pinnacles, CA
  2. 2.1 22km S of South Dos Palos, CA
  3. 1.9 16km SE of Pinnacles, CA
  4. 2.2 5km NNE of Pinnacles, CA
  5. 2.3 23km SSW of South Dos Palos, CA
  6. 2.0 22km ENE of San Lucas, CA
  7. 1.6 21km ENE of San Lucas, CA
  8. 2.5 8km NE of Pinnacles, CA
  9. 2.4 22km SSW of South Dos Palos, CA
  10. 1.8 10km NE of Coalinga, CA
  11. 2.5 7km ESE of Pinnacles, CA
  12. 2.2 2km NNE of Pinnacles, CA
  13. 2.1 16km SE of Pinnacles, CA
  14. 1.8 16km SE of Pinnacles, CA
  15. 1.5 15km SE of Pinnacles, 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.