QuakeIndex

Earthquake · reviewed by a seismologist

M 1.7md

32 km NNE of Newcastle, Utah

· 1.4 km deep · released about 10 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Iron County 12 kmBeaver County 49 kmWashington County 76 kmMillard 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
Magnitude
M 1.7 (md)
Depth
1.4 km below the surface
Felt
no reports yet
Nearest
Iron County, 12 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2071 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 10 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,500,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,000,000× the energy of this one
  3. Around the size people start to feel M 3.0 92× the energy of this one
  4. This earthquake M 1.7 about 10 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 37.9402, -113.4328. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Iron County, UT 12 km (7 mi) WNW of here earthquakes near Iron County
Beaver County, UT 49 km (31 mi) SSW of here earthquakes near Beaver County
Washington County, UT 76 km (47 mi) N of here earthquakes near Washington County
Millard County, UT 116 km (72 mi) SSW of here earthquakes near Millard County
Piute County, UT 122 km (76 mi) WSW of here earthquakes near Piute County

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

Aftershocks so far

1 earthquake has been recorded within 50 km since this one.

  1. 1.5 12 km N of Pine Valley, 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.