QuakeIndex

Earthquake · reviewed by a seismologist

M 1.5md

1 km SW of Enoch, Utah

· -0.4 km deep · released about 5.9 lb of TNT

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10 km30 km60 km120 km N Iron County 29 kmBeaver County 68 kmWashington County 69 kmPiute County 102 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 1.5 (md)
Depth
-0.4 km below the surface
Felt
no reports yet
Nearest
Iron County, 29 km NW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2438 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 5.9 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,500,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,800,000× the energy of this one
  3. Around the size people start to feel M 3.0 160× the energy of this one
  4. This earthquake M 1.5 about 5.9 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 37.7648, -113.0352. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Iron County, UT 29 km (18 mi) SE of here earthquakes near Iron County
Beaver County, UT 68 km (42 mi) SSE of here earthquakes near Beaver County
Washington County, UT 69 km (43 mi) NE of here earthquakes near Washington County
Piute County, UT 102 km (63 mi) SW of here earthquakes near Piute County
Kane County, UT 121 km (75 mi) WNW of here earthquakes near Kane County
Sevier County, UT 153 km (95 mi) SW of here earthquakes near Sevier County

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

Aftershocks so far

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

  1. 1.8 8 km NW of Cedar City, Utah
  2. 1.7 13 km SSE of Kanarraville, Utah
  3. 2.1 12 km E of Brian Head, Utah
  4. 2.1 5 km WNW of Panguitch, Utah
  5. 1.5 12 km SSE of Kanarraville, Utah
  6. 2.4 9 km S of Cedar City, Utah
  7. 2.0 11 km WNW of Cedar City, Utah
  8. 1.6 12 km SSE of Cedar City, Utah
  9. 1.5 5.4 km WNW of Minersville, UT
  10. 2.0 9 km WNW of Panguitch, Utah
  11. 2.0 9 km WNW of Panguitch, Utah
  12. 1.5 15 km WNW of Cedar City, Utah
  13. 1.8 14 km WNW of Cedar City, Utah
  14. 1.6 9 km WNW of Panguitch, Utah
  15. 1.8 16 km WNW of Cedar City, 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

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