QuakeIndex

Earthquake · reviewed by a seismologist

M 1.6ml

38 km NNE of Hoehne, Colorado

Yes. A magnitude 1.6 earthquake was recorded 38 km NNE of Hoehne, Colorado, 88 km (55 mi) SSE of Pueblo, CO, at 1:28 pm MDT on 18 September 2024 (19:28 UTC), 5.0 km deep.

88 km (55 mi) SSE of Pueblo, CO

· 5.0 km deep · released about 7.6 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Las Animas County 29 kmOtero County 50 kmPueblo County 72 kmHuerfano County 74 kmCrowley County 88 kmBent County 101 kmColfax County 116 kmCostilla County 119 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 1.6 (ml)
Depth
5.0 km below the surface
Felt
no reports yet
Nearest
Las Animas County, 29 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 718 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 6 km (4 mi) from the epicentre. 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.

How big was it?

This earthquake released about 7.6 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 2,000,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,400,000× 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 7.6 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

The largest earthquake within 50 km since 2016 was M 4.1 on 2023-06-19 — about 5,600 times the energy of this one.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

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 37.5732, -104.1376. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Las Animas County, CO 29 km (18 mi) SSE earthquakes near Las Animas County
Otero County, CO 50 km (31 mi) NE earthquakes near Otero County
Pueblo County, CO 72 km (45 mi) NNW earthquakes near Pueblo County
Huerfano County, CO 74 km (46 mi) W earthquakes near Huerfano County
Crowley County, CO 88 km (54 mi) NNE earthquakes near Crowley County
Bent County, CO 101 km (63 mi) ENE earthquakes near Bent County

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

Aftershocks so far

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

  1. 1.6 5 km NNW of El Moro, Colorado
  2. 2.3 4 km N of El Moro, Colorado
  3. 2.0 6 km N of El Moro, Colorado
  4. 2.1 5 km N of El Moro, Colorado
  5. 2.3 9 km NNW of El Moro, Colorado
  6. 2.2 6 km N of El Moro, Colorado
  7. 2.9 8 km N of El Moro, Colorado
  8. 1.5 10 km NNW of El Moro, Colorado
  9. 1.6 7 km NNE of Hoehne, Colorado
  10. 1.6 8 km NNW of El Moro, Colorado
  11. 1.6 10 km NNW of El Moro, Colorado
  12. 2.4 9 km NNW of El Moro, Colorado
  13. 1.8 36 km NE of Hoehne, Colorado
  14. 1.9 44 km NE of Hoehne, Colorado
  15. 2.1 36 km NE of Hoehne, Colorado

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.