QuakeIndex

Earthquake · reviewed by a seismologist

M 1.8md

10km SE of Los Banos, CA

· 9.5 km deep · released about 17 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Merced County 23 kmSan Benito County 50 kmStanislaus County 67 kmSanta Clara County 85 kmMadera County 94 kmMonterey County 96 kmMariposa County 100 kmFresno County 102 kmSanta Cruz County 110 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
9.5 km below the surface
Felt
no reports yet
Nearest
Merced County, 23 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2375 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 17 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 5.8 900,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 640,000× the energy of this one
  3. Around the size people start to feel M 3.0 57× the energy of this one
  4. This earthquake M 1.8 about 17 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 36.9888, -120.7715. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Merced County, CA 23 km (14 mi) S of here earthquakes near Merced County
San Benito County, CA 50 km (31 mi) NNE of here earthquakes near San Benito County
Stanislaus County, CA 67 km (42 mi) SSE of here earthquakes near Stanislaus County
Santa Clara County, CA 85 km (53 mi) ESE of here earthquakes near Santa Clara County
Madera County, CA 94 km (58 mi) WSW of here earthquakes near Madera County
Monterey County, CA 96 km (60 mi) NNE of here earthquakes near Monterey County

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

Aftershocks so far

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

  1. 2.1 24km SSW of Los Banos, CA
  2. 3.1 5km NE of Tres Pinos, CA
  3. 1.7 28km SW of Gustine, CA
  4. 2.4 26km NNW of New Idria, CA
  5. 1.9 22km W of Los Banos, CA
  6. 1.5 33km NE of Pinnacles, CA
  7. 2.1 22km W of Los Banos, CA
  8. 1.5 25km NE of Hollister, CA
  9. 1.6 28km SW of South Dos Palos, CA
  10. 1.9 11km SSE of Los Banos, CA
  11. 1.6 10km SSE of Los Banos, CA
  12. 2.5 11km SE of Los Banos, CA
  13. 1.8 10km SE of Los Banos, CA
  14. 1.9 12km SSE of Los Banos, CA
  15. 1.9 11km SSE of Los Banos, 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.