QuakeIndex

Earthquake · reviewed by a seismologist

M 3.1ml

Earthquake near Eagar, AZ

USGS: 15 km SSE of Escudilla Bonita, New Mexico

6:50 am MST, Oct 4, 2023 · · 9.1 km deep · released about 1,300 lb of TNT

Every earthquake near Eagar Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Catron County 55 kmGreenlee County 85 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
6:50 am MST on 4 October 2023 ()
Where
32 km (20 mi) ESE of Eagar, AZ · earthquakes near Eagar
Magnitude
M 3.1 (ml)
Depth
9.1 km below the surface
Felt
no reports yet
Nearest
Catron County, 55 km E
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1023 days ago

A magnitude 3.1 earthquake was recorded 32 km (20 mi) ESE of Eagar, AZ, at 6:50 am MST on 4 October 2023 (13:50 UTC). This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

How big was it?

This earthquake released about 1,300 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.1 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 250,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 11,000× the energy of this one
  3. Magna, Utah 2020 M 5.7 7,900× the energy of this one
  4. This earthquake M 3.1 about 1,300 lb of TNT
  5. Around the size people start to feel M 3.0 this one released 1.4× more

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 33.9710, -108.9841. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Catron County, NM 55 km (34 mi) E earthquakes near Catron County
Greenlee County, AZ 85 km (53 mi) SSW earthquakes near Greenlee County
Cibola County, NM 140 km (87 mi) NE earthquakes near Cibola County
Graham County, AZ 142 km (88 mi) SW earthquakes near Graham County

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

Aftershocks so far

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

  1. 1.8 13 km NNW of Aragon, New Mexico
  2. 2.5 14 km NNW of Aragon, New Mexico

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.