Earthquake · reviewed by a seismologist
M 3.4mwr
7 km NE of Dorrance, Kansas
- When
- Magnitude
- M 3.4 (mwr)
- Depth
- 5.0 km below the surface
- Felt
- 9 reports · strongest reported intensity IV
- Measured shaking
- intensity IV (ShakeMap)
- Nearest
- Russell County, 21 km W
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 243 days ago
This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 9 people have reported feeling it to USGS.
How big was it?
This earthquake released about 1.9 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.4 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 89,000× the energy of this one
- Mineral, Virginia 2011 M 5.8 4,000× the energy of this one
- Magna, Utah 2020 M 5.7 2,800× the energy of this one
- This earthquake M 3.4 about 1.9 tons of TNT
- Around the size people start to feel M 3.0 this one released 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 38.8937, -98.5357. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| Russell County, KS | 21 km (13 mi) | E of here | earthquakes near Russell County |
| Lincoln County, KS | 33 km (20 mi) | WSW of here | earthquakes near Lincoln County |
| Ellsworth County, KS | 36 km (22 mi) | NW of here | earthquakes near Ellsworth County |
| Barton County, KS | 50 km (31 mi) | NNE of here | earthquakes near Barton County |
| Osborne County, KS | 54 km (34 mi) | SSE of here | earthquakes near Osborne County |
| Mitchell County, KS | 62 km (39 mi) | SSW of here | earthquakes near Mitchell County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
8 earthquakes have been recorded within 50 km since this one.
- 2.8 6 km NW of Wilson, Kansas
- 2.6 6 km NE of Dorrance, Kansas
- 2.7 8 km NE of Dorrance, Kansas
- 2.8 4 km NNE of Wilson, Kansas
- 2.5 3 km NNE of Wilson, Kansas
- 3.1 5 km NNE of Wilson, Kansas
- 3.2 5 km NNW of Wilson, Kansas
- 2.7 4 km NW of Wilson, Kansas
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.