QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3ml

19 km NNE of Paragonah, Utah

· 5.6 km deep · released about 74 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Iron County 57 kmPiute County 58 kmBeaver County 60 kmSevier County 108 kmMillard County 109 kmGarfield County 110 kmWashington County 113 kmKane 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 2.3 (ml)
Depth
5.6 km below the surface
Felt
no reports yet
Nearest
Iron County, 57 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 438 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 38.0463, -112.6785. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Iron County, UT 57 km (36 mi) ENE of here earthquakes near Iron County
Piute County, UT 58 km (36 mi) WSW of here earthquakes near Piute County
Beaver County, UT 60 km (37 mi) SE of here earthquakes near Beaver County
Sevier County, UT 108 km (67 mi) SW of here earthquakes near Sevier County
Millard County, UT 109 km (68 mi) SSE of here earthquakes near Millard County
Garfield County, UT 110 km (69 mi) WNW of here earthquakes near Garfield County

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

Aftershocks so far

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

  1. 1.7 16 km NW of Parowan, Utah
  2. 1.7 15 km WSW of Panguitch, Utah
  3. 2.7 0 km S of Summit, Utah
  4. 1.9 8 km W of Junction, Utah
  5. 1.7 9 km NW of Panguitch, Utah
  6. 2.2 8 km ENE of Beaver, Utah
  7. 2.7 8 km ENE of Beaver, Utah
  8. 1.6 7 km ENE of Beaver, Utah
  9. 2.1 8 km ENE of Beaver, Utah
  10. 1.6 7 km ENE of Cedar City, Utah
  11. 1.6 5 km W of Enoch, Utah
  12. 1.6 5 km SW of Enoch, Utah
  13. 1.9 19 km NNE of Paragonah, Utah
  14. 2.0 8 km WNW of Panguitch, Utah
  15. 1.5 16 km NW of Parowan, Utah

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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.4 on 2020-10-03 — it released about 1,700 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.