QuakeIndex

Earthquake · reviewed by a seismologist

M 1.1md

Earthquake near Spring City, UT

No earthquake was likely felt in Spring City in the 24 hours to 2:33 am MST (09:33 UTC). The last one was M 2.3, 12 km (7 mi) NE, at 5:07 pm MDT on 12 August 2026, estimated intensity II (weak) in town. Every earthquake near Spring City

This page: a magnitude 1.1 earthquake was recorded 6 km (3 mi) south of Spring City, UT, at 5:40 am MDT on 19 October 2026 (11:40 UTC), 16 km deep.

USGS: 5 km S of Spring City, Utah

91 km (57 mi) S of Provo, UT

5:40 am MDT, Oct 19, 2026 · · 16 km deep · released about 1.3 lb of TNT

10 km30 km60 km120 km N Sanpete County 10 kmUtah County 78 kmEmery County 81 kmCarbon County 81 kmSevier County 81 kmWasatch County 104 kmJuab County 116 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
5:40 am MDT on 19 October 2026 ()
Where
6 km (3 mi) south of Spring City, UT · earthquakes near Spring City
Magnitude
M 1.1 (md)
Depth
16 km below the surface
Felt
no reports yet
Nearest
Sanpete County, 10 km SW
Nearest mapped fault
Snow Lake graben, 13 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 24 days ago

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

At this magnitude and depth it was probably too small to be felt, even directly above it. 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: Ephraim, Mount Pleasant, Moroni, Fairview, Manti, Fountain Green.

How big was it?

This earthquake released about 1.3 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.1 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 11,000,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 7,900,000× the energy of this one
  3. Around the size people start to feel M 3.0 710× the energy of this one
  4. This earthquake M 1.1 about 1.3 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. 5.0 3 km WSW of Nephi, Utah · 44 km NW 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 39.4332, -111.4843. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Sanpete County, UT 10 km (6 mi) SW earthquakes near Sanpete County
Utah County, UT 78 km (48 mi) NNW earthquakes near Utah County
Emery County, UT 81 km (50 mi) SE earthquakes near Emery County
Carbon County, UT 81 km (51 mi) ENE earthquakes near Carbon County
Sevier County, UT 81 km (51 mi) SSW earthquakes near Sevier County
Wasatch County, UT 104 km (65 mi) NNE earthquakes near Wasatch County

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

Aftershocks so far

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

  1. 1.3 16 km WNW of Orangeville, Utah
  2. 0.8 4 km ENE of Scofield, Utah
  3. 0.6 3 km ENE of Scofield, Utah
  4. 1.4 16 km WNW of Orangeville, Utah
  5. 1.4 16 km WNW of Orangeville, Utah
  6. 1.6 15 km WNW of Orangeville, Utah
  7. 1.5 18 km WNW of Orangeville, Utah
  8. 1.0 16 km WNW of Orangeville, Utah
  9. 1.6 18 km NW of Orangeville, Utah
  10. 1.4 17 km WNW of Orangeville, Utah
  11. 1.6 7 km W of Centerfield, Utah
  12. 1.4 16 km WNW of Orangeville, Utah
  13. 1.3 16 km WNW 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.