Earthquake · reviewed by a seismologist
M 3.8mwr
5 km WNW of Lucien, Oklahoma
- When
- Magnitude
- M 3.8 (mwr)
- Depth
- 6.1 km below the surface
- Felt
- 8 reports · strongest reported intensity V
- Measured shaking
- intensity IV (ShakeMap)
- USGS impact alert
- green
- Nearest
- Garfield County, 26 km WNW
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 3796 days ago
This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 8 people have reported feeling it to USGS.
How big was it?
This earthquake released about 7.6 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.8 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 22,000× the energy of this one
- Mineral, Virginia 2011 M 5.8 1,000× the energy of this one
- Magna, Utah 2020 M 5.7 710× the energy of this one
- This earthquake M 3.8 about 7.6 tons of TNT
- Around the size people start to feel M 3.0 this one released 16× 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 36.2870, -97.5192. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| Garfield County, OK | 26 km (16 mi) | ESE of here | earthquakes near Garfield County |
| Noble County, OK | 28 km (17 mi) | WSW of here | earthquakes near Noble County |
| Logan County, OK | 42 km (26 mi) | N of here | earthquakes near Logan County |
| Kingfisher County, OK | 53 km (33 mi) | NE of here | earthquakes near Kingfisher County |
| Payne County, OK | 54 km (34 mi) | WNW of here | earthquakes near Payne County |
| Grant County, OK | 61 km (38 mi) | SSE of here | earthquakes near Grant County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
53 earthquakes have been recorded within 50 km since this one.
- 2.6 6 km NW of Meridian, Oklahoma
- 2.6 6 km WNW of Meridian, Oklahoma
- 2.1 0 km NNW of Stillwater, Oklahoma
- 2.6 Oklahoma
- 2.5 4 km NNW of Douglas, Oklahoma
- 2.6 5 km WNW of Lucien, Oklahoma
- 3.2 6 km ESE of Covington, Oklahoma
- 3.4 8 km WNW of Perkins, Oklahoma
- 2.9 9 km W of Lamont, Oklahoma
- 2.7 3 km WNW of Lucien, Oklahoma
- 2.5 5 km ESE of Tonkawa, Oklahoma
- 3.1 5 km ESE of Tonkawa, Oklahoma
- 2.6 0 km W of Lucien, Oklahoma
- 2.5 3 km WNW of Lucien, Oklahoma
- 2.2 5 km NW of Lucien, Oklahoma
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.