QuakeIndex

Earthquake · reviewed by a seismologist

M 2.4md

4km SE of Taylorsville, CA

· 2.6 km deep · released about 120 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Plumas County 6 kmSierra County 57 kmLassen County 76 kmButte County 80 kmNevada County 83 kmYuba County 98 kmPlacer 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 2.4 (md)
Depth
2.6 km below the surface
Felt
1 report · strongest reported intensity II
Nearest
Plumas County, 6 km SSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2822 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 120 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.4 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 130,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 92,000× the energy of this one
  3. Around the size people start to feel M 3.0 8.2× the energy of this one
  4. This earthquake M 2.4 about 120 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 40.0452, -120.8045. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Plumas County, CA 6 km (4 mi) NNE of here earthquakes near Plumas County
Sierra County, CA 57 km (36 mi) NNW of here earthquakes near Sierra County
Lassen County, CA 76 km (47 mi) SSW of here earthquakes near Lassen County
Butte County, CA 80 km (50 mi) ENE of here earthquakes near Butte County
Nevada County, CA 83 km (52 mi) N of here earthquakes near Nevada County
Yuba County, CA 98 km (61 mi) NNE of here earthquakes near Yuba County

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

Aftershocks so far

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

  1. 2.4 3km ESE of Janesville, CA
  2. 1.9 4km SSE of Johnsville, CA
  3. 1.5 4km S of East Shore, CA
  4. 2.3 11km NE of Cromberg, CA
  5. 1.8 1km WNW of Little Grass Valley, CA
  6. 2.2 12km W of La Porte, CA
  7. 1.8 6km WSW of Belden, CA
  8. 2.3 2km ESE of Johnsville, CA
  9. 1.7 16km WSW of Almanor, CA
  10. 2.0 12km SSE of Bucks Lake, CA
  11. 1.5 4km WSW of Hamilton Branch, CA
  12. 2.2 2km ENE of Belden, CA
  13. 1.5 2km SW of Canyondam, CA
  14. 1.9 3km SE of Taylorsville, CA
  15. 1.5 14km NNE of Hamilton Branch, 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.