QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3ml

6 km SE of Marysvale, Utah

· 3.0 km deep · released about 79 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Piute County 10 kmSevier County 48 kmGarfield County 91 kmBeaver County 93 kmMillard County 103 kmWayne County 104 kmIron County 114 kmSanpete County 118 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
3.0 km below the surface
Felt
no reports yet
Nearest
Piute County, 10 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1070 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 79 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 5.8 190,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 130,000× the energy of this one
  3. Around the size people start to feel M 3.0 12× the energy of this one
  4. This earthquake M 2.3 about 79 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 38.4167, -112.1720. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Piute County, UT 10 km (6 mi) NNW of here earthquakes near Piute County
Sevier County, UT 48 km (30 mi) SW of here earthquakes near Sevier County
Garfield County, UT 91 km (56 mi) NW of here earthquakes near Garfield County
Beaver County, UT 93 km (58 mi) E of here earthquakes near Beaver County
Millard County, UT 103 km (64 mi) SE of here earthquakes near Millard County
Wayne County, UT 104 km (65 mi) W of here earthquakes near Wayne County

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

Aftershocks so far

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

  1. 1.9 4 km ESE of Circleville, Utah
  2. 1.7 6 km SSE of Joseph, Utah
  3. 1.6 9 km SSW of Monroe, Utah
  4. 2.2 19 km ENE of Antimony, Utah
  5. 2.2 14 km SE of Beaver, Utah
  6. 1.6 21 km SSE of Beaver, Utah
  7. 1.8 22 km SSW of Kanosh, Utah
  8. 1.8 0 km W of Circleville, Utah
  9. 1.7 13 km S of Beaver, Utah
  10. 1.7 2 km WSW of Marysvale, Utah
  11. 1.7 22 km SSW of Kanosh, Utah
  12. 1.7 19 km SW of Kanosh, Utah
  13. 1.7 17 km SW of Kanosh, Utah
  14. 1.8 5 km SE of Joseph, Utah
  15. 1.5 9 km NW of Richfield, 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 1,600 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.