QuakeIndex

Earthquake · reviewed by a seismologist

M 2.2md

Earthquake near Mount Pleasant, UT

No earthquake was likely felt in Mount Pleasant in the 24 hours to 5:57 am MST (12:57 UTC). The last one was M 2.3, 5 km (3 mi) ENE, at 5:07 pm MDT on 12 August 2026, estimated intensity III (weak) in town. Every earthquake near Mount Pleasant

This page: a magnitude 2.2 earthquake was recorded 21 km (13 mi) east-southeast of Mount Pleasant, UT, at 8:25 am MST on 28 November 2021 (15:25 UTC), 6.7 km deep.

USGS: Utah

93 km (58 mi) SSE of Provo, UT

8:25 am MST, Nov 28, 2021 · · 6.7 km deep · released about 67 lb of TNT

Every earthquake near Mount Pleasant Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Sanpete County 32 kmCarbon County 59 kmEmery County 68 kmUtah County 81 kmSevier County 96 kmWasatch County 96 kmDuchesne County 113 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
8:25 am MST on 28 November 2021 ()
Where
21 km (13 mi) east-southeast of Mount Pleasant, UT · earthquakes near Mount Pleasant
Magnitude
M 2.2 (md)
Depth
6.7 km below the surface
Felt
no reports yet
Nearest
Sanpete County, 32 km WSW
Nearest mapped fault
Snow Lake graben, 24 km from its surface trace — near is not the same as on
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1808 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth, people at rest would likely notice it out to about 18 km (11 mi) from the epicentre. In Mount Pleasant, 21 km away, the estimate is intensity II (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Earthquakes near other towns within 30 km: Spring City, Fairview, Huntington.

How big was it?

This earthquake released about 67 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 230,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 160,000× the energy of this one
  3. Around the size people start to feel M 3.0 14× the energy of this one
  4. This earthquake M 2.2 about 67 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.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record lists one earthquake of M5 or more within 50 km:

  1. 5.2 13 km ESE of Castle Dale, Utah · 47 km SE of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 39.4758, -111.2257. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Sanpete County, UT 32 km (20 mi) WSW earthquakes near Sanpete County
Carbon County, UT 59 km (37 mi) ENE earthquakes near Carbon County
Emery County, UT 68 km (42 mi) SE earthquakes near Emery County
Utah County, UT 81 km (50 mi) NNW earthquakes near Utah County
Sevier County, UT 96 km (59 mi) SSW earthquakes near Sevier County
Wasatch County, UT 96 km (59 mi) N earthquakes near Wasatch 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. 1.6 2 km NW of Kenilworth, Utah
  2. 1.8 2 km NW of Kenilworth, Utah
  3. 1.6 3 km NNE of Clear Creek, Utah
  4. 1.5 18 km E of Mayfield, Utah
  5. 1.6 19 km E of Mayfield, Utah
  6. 1.8 6 km SW of Hiawatha, Utah
  7. 1.6 8 km N of Helper, Utah
  8. 1.9 21 km E of Mayfield, Utah
  9. 2.1 5 km N of Kenilworth, Utah
  10. 2.2 10 km ESE of Fairview, Utah
  11. 1.5 16 km ESE of Castle Dale, Utah
  12. 1.9 21 km E of Mayfield, Utah
  13. 1.6 18 km W of Hiawatha, Utah
  14. 1.9 19 km W of Hiawatha, Utah
  15. 2.1 13 km NW of Orangeville, 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.