QuakeIndex

Earthquake · reviewed by a seismologist

M 1.8md

14 km WNW of Huron, California

· 11 km deep · released about 15 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Kings County 44 kmFresno County 77 kmSan Benito County 84 kmMonterey County 95 kmSan Luis Obispo County 98 kmMerced County 112 kmMadera County 115 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 1.8 (md)
Depth
11 km below the surface
Felt
no reports yet
Nearest
Kings County, 44 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3510 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 15 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.8 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,000,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 710,000× the energy of this one
  3. Around the size people start to feel M 3.0 63× the energy of this one
  4. This earthquake M 1.8 about 15 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 36.2593, -120.2515. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Kings County, CA 44 km (28 mi) WNW of here earthquakes near Kings County
Fresno County, CA 77 km (48 mi) SW of here earthquakes near Fresno County
San Benito County, CA 84 km (52 mi) ESE of here earthquakes near San Benito County
Monterey County, CA 95 km (59 mi) E of here earthquakes near Monterey County
San Luis Obispo County, CA 98 km (61 mi) N of here earthquakes near San Luis Obispo County
Merced County, CA 112 km (70 mi) SSE of here earthquakes near Merced County

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

Aftershocks so far

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

  1. 1.5 11 km NW of Avenal, California
  2. 1.5 13 km NNW of Avenal, California
  3. 1.6 12 km NNW of Avenal, California
  4. 1.6 12 km NW of Avenal, California
  5. 1.5 13 km SW of Huron, California
  6. 2.3 12 km NW of Avenal, California
  7. 1.6 12 km NNW of Avenal, California
  8. 2.1 12 km NW of Avenal, California
  9. 1.5 12 km NW of Avenal, California
  10. 1.5 11 km NW of Avenal, California
  11. 2.5 12 km NW of Avenal, California
  12. 2.8 12 km NW of Avenal, California
  13. 1.6 12 km NW of Avenal, California
  14. 1.5 12 km NW of Avenal, California
  15. 1.5 12 km ESE of Coalinga, California

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.