Earthquake · reviewed by a seismologist
M 3.1mb_lg
3 km NNW of Edgefield, Louisiana
- When
- Magnitude
- M 3.1 (mb_lg)
- Depth
- 5.0 km below the surface
- Felt
- 21 reports · strongest reported intensity V
- Nearest
- Red River Parish, 3 km N
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 170 days ago
This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 21 people have reported feeling it to USGS.
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.
- Northridge, California 1994 M 6.7 250,000× the energy of this one
- Mineral, Virginia 2011 M 5.8 11,000× the energy of this one
- Magna, Utah 2020 M 5.7 7,900× the energy of this one
- This earthquake M 3.1 about 1,300 lb of TNT
- 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 32.0742, -93.3510. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| Red River Parish, LA | 3 km (2 mi) | S of here | earthquakes near Red River Parish |
| De Soto Parish, LA | 37 km (23 mi) | E of here | earthquakes near De Soto Parish |
| Bienville Parish, LA | 42 km (26 mi) | SW of here | earthquakes near Bienville Parish |
| Natchitoches Parish, LA | 46 km (28 mi) | NNW of here | earthquakes near Natchitoches Parish |
| Sabine Parish, LA | 60 km (38 mi) | NNE of here | earthquakes near Sabine Parish |
| Winn Parish, LA | 69 km (43 mi) | WNW of here | earthquakes near Winn Parish |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
52 earthquakes have been recorded within 50 km since this one.
- 2.7 9 km NE of Pleasant Hill, Louisiana
- 2.6 11 km ENE of Pleasant Hill, Louisiana
- 3.4 2 km WNW of Coushatta, Louisiana
- 1.9 13 km W of Edgefield, Louisiana
- 2.4 6 km NNW of Ringgold, Louisiana
- 1.9 3 km ENE of Jamestown, Louisiana
- 2.3 5 km N of Castor, Louisiana
- 2.1 5 km W of Edgefield, Louisiana
- 2.5 15 km E of Mansfield, Louisiana
- 1.5 15 km W of Coushatta, Louisiana
- 2.1 14 km ESE of Mansfield, Louisiana
- 2.3 7 km ENE of Jamestown, Louisiana
- 2.2 3 km SE of Ringgold, Louisiana
- 2.1 16 km W of Coushatta, Louisiana
- 1.9 15 km E of Mansfield, Louisiana
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
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.