QuakeIndex

Earthquake · reviewed by a seismologist

M 1.6md

11km NNE of Mineral, CA

· 3.0 km deep · released about 8.7 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Shasta County 56 kmTehama County 70 kmPlumas County 78 kmLassen County 82 kmButte County 87 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 1.6 (md)
Depth
3.0 km below the surface
Felt
no reports yet
Nearest
Shasta County, 56 km NW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3141 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 8.7 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,700,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,200,000× the energy of this one
  3. Around the size people start to feel M 3.0 110× the energy of this one
  4. This earthquake M 1.6 about 8.7 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 40.4467, -121.5193. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Shasta County, CA 56 km (35 mi) SE of here earthquakes near Shasta County
Tehama County, CA 70 km (44 mi) ENE of here earthquakes near Tehama County
Plumas County, CA 78 km (48 mi) NW of here earthquakes near Plumas County
Lassen County, CA 82 km (51 mi) WSW of here earthquakes near Lassen County
Butte County, CA 87 km (54 mi) N of here earthquakes near Butte County
Glenn County, CA 120 km (75 mi) NE of here earthquakes near Glenn County

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

Aftershocks so far

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

  1. 1.6 2km ESE of Prattville, CA
  2. 2.0 4km E of Prattville, CA
  3. 1.6 7km SSE of Mineral, CA
  4. 1.5 7km SSE of Mineral, CA
  5. 1.8 12km WNW of Mineral, CA
  6. 2.9 8km S of Mineral, CA
  7. 1.6 20km S of Mineral, CA
  8. 1.6 11km WSW of Shingletown, CA
  9. 1.7 12km WSW of Shingletown, CA
  10. 1.6 18km SW of Manton, CA
  11. 1.6 19km SW of Manton, CA
  12. 2.2 23km SE of Burney, CA
  13. 1.7 11km NNE of Shingletown, CA
  14. 1.6 12km NNE of Shingletown, CA
  15. 1.7 6km ENE of Shingletown, 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.