QuakeIndex

Earthquake · reviewed by a seismologist

M 3.0ml

5 km WSW of Chireno, Texas

· 7.6 km deep · released about 950 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N San Augustine County 25 kmNacogdoches County 26 kmAngelina County 31 kmShelby County 43 kmSabine County 54 kmPanola County 77 kmRusk County 78 kmTyler County 78 kmSabine Parish 81 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 3.0 (ml)
Depth
7.6 km below the surface
Felt
37 reports · strongest reported intensity IV
Nearest
San Augustine County, 25 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 836 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 37 people have reported feeling it to USGS.

How big was it?

This earthquake released about 950 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.0 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 350,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 16,000× the energy of this one
  3. Magna, Utah 2020 M 5.7 11,000× the energy of this one
  4. This earthquake M 3.0 about 950 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 31.4730, -94.4040. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
San Augustine County, TX 25 km (16 mi) WNW of here earthquakes near San Augustine County
Nacogdoches County, TX 26 km (16 mi) SE of here earthquakes near Nacogdoches County
Angelina County, TX 31 km (20 mi) NE of here earthquakes near Angelina County
Shelby County, TX 43 km (27 mi) SW of here earthquakes near Shelby County
Sabine County, TX 54 km (34 mi) WNW of here earthquakes near Sabine County
Panola County, TX 77 km (48 mi) S of here earthquakes near Panola County

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

Aftershocks so far

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

  1. 2.5 5 km NNW of Huntington, Texas
  2. 3.5 13 km NNE of Wells, Texas
  3. 2.6 5 km WSW of Chireno, Texas

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.