QuakeIndex

Earthquake · reviewed by a seismologist

M 1.6md

Earthquake near Spring City, UT

No earthquake was likely felt in Spring City in the 24 hours to 4:50 am MST (11:50 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 1.6 earthquake was recorded 18 km (11 mi) east-southeast of Spring City, UT, at 8:40 pm MST on 6 February 2020 (03:40 UTC), 4.8 km deep.

USGS: 17 km ESE of Spring City, Utah

95 km (59 mi) SSE of Provo, UT

8:40 pm MST, Feb 6, 2020 · · 4.8 km deep · released about 7.1 lb of TNT

Every earthquake near Spring City Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Sanpete County 25 kmCarbon County 67 kmEmery County 69 kmUtah County 83 kmSevier County 88 kmWasatch County 101 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
8:40 pm MST on 6 February 2020 ()
Where
18 km (11 mi) east-southeast of Spring City, UT · earthquakes near Spring City
Magnitude
M 1.6 (md)
Depth
4.8 km below the surface
Felt
no reports yet
Nearest
Sanpete County, 25 km WSW
Nearest mapped fault
Snow Lake graben, 16 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 2471 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 10 km (6 mi) from the epicentre. In Spring City, 18 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: Mount Pleasant, Fairview, Ephraim, Moroni.

How big was it?

This earthquake released about 7.1 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,100,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,500,000× the energy of this one
  3. Around the size people start to feel M 3.0 130× the energy of this one
  4. This earthquake M 1.6 about 7.1 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 · 48 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 39.4328, -111.3003. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Sanpete County, UT 25 km (15 mi) WSW earthquakes near Sanpete County
Carbon County, UT 67 km (41 mi) ENE earthquakes near Carbon County
Emery County, UT 69 km (43 mi) SE earthquakes near Emery County
Utah County, UT 83 km (51 mi) NNW earthquakes near Utah County
Sevier County, UT 88 km (55 mi) SSW earthquakes near Sevier County
Wasatch County, UT 101 km (63 mi) N earthquakes near Wasatch County

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

Aftershocks so far

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

  1. 1.6 3 km SSW of Manti, Utah
  2. 1.6 2 km SSW of Manti, Utah
  3. 2.3 10 km SE of Manti, Utah
  4. 1.6 7 km ENE of Fairview, Utah
  5. 1.5 15 km ESE of Ephraim, Utah
  6. 1.7 18 km ESE of Spring City, Utah
  7. 1.7 12 km W of Clear Creek, Utah
  8. 1.6 Utah
  9. 2.1 5 km NNE of Fountain Green, Utah
  10. 1.7 6 km W of Hiawatha, Utah
  11. 1.7 11 km W of Clear Creek, Utah
  12. 1.6 8 km NW of Helper, Utah
  13. 1.6 10 km NE of Fountain Green, Utah
  14. 2.4 7 km SSE of Spring City, Utah
  15. 1.6 10 km SW of Hiawatha, 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.