QuakeIndex

Earthquake · reviewed by a seismologist

M 3.9ml

13 km SSE of Kanarraville, Utah

· 11 km deep · released about 9.3 tons of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Washington County 38 kmIron County 55 kmBeaver County 103 kmKane County 117 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 3.9 (ml)
Depth
11 km below the surface
Felt
286 reports · strongest reported intensity IV
Measured shaking
intensity IV (ShakeMap)
Nearest
Washington County, 38 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 964 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 286 people have reported feeling it to USGS.

How big was it?

This earthquake released about 9.3 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.9 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 18,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 810× the energy of this one
  3. Magna, Utah 2020 M 5.7 580× the energy of this one
  4. This earthquake M 3.9 about 9.3 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 19× more

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 37.4328, -113.1192. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Washington County, UT 38 km (23 mi) ENE of here earthquakes near Washington County
Iron County, UT 55 km (34 mi) SSE of here earthquakes near Iron County
Beaver County, UT 103 km (64 mi) S of here earthquakes near Beaver County
Kane County, UT 117 km (72 mi) W of here earthquakes near Kane County
Piute County, UT 133 km (82 mi) SW of here earthquakes near Piute County

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

Aftershocks so far

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

  1. 1.5 8 km WNW of Enoch, Utah
  2. 1.8 8 km NW of Enoch, Utah
  3. 2.9 9 km NW of Enoch, Utah
  4. 2.0 8 km NW of Enoch, Utah
  5. 2.5 9 km NW of Enoch, Utah
  6. 2.3 9 km WNW of Enoch, Utah
  7. 1.7 9 km NW of Enoch, Utah
  8. 1.5 6 km NNW of Enoch, Utah
  9. 1.9 11 km NW of Enoch, Utah
  10. 1.6 6 km NNW of Enoch, Utah
  11. 1.6 8 km WNW of Enoch, Utah
  12. 1.8 11 km NW of Enoch, Utah
  13. 2.5 8 km NW of Enoch, Utah
  14. 2.0 9 km NW of Enoch, Utah
  15. 1.8 8 km WNW of Enoch, 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.

On USGS

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