QuakeIndex

Earthquake · reviewed by a seismologist

M 2.6ml

Earthquake near Wellington, KS

No earthquake was likely felt in Wellington in the 24 hours to 9:28 pm CST (03:28 UTC). The last one was M 3.4, 194 km (120 mi) SSW, at 5:53 am CST on 7 November 2026, estimated intensity II (weak) in town; 23 felt reports to USGS. Every earthquake near Wellington

This page: a magnitude 2.6 earthquake was recorded 22 km (14 mi) west of Wellington, KS, at 9:18 pm CST on 7 November 2017 (03:18 UTC), 4.0 km deep.

USGS: 4 km ENE of Milan, Kansas

52 km (33 mi) SSW of Wichita, KS

9:18 pm CST, Nov 7, 2017 · · 4.0 km deep · released about 240 lb of TNT

10 km30 km60 km120 km N Sumner County 12 kmHarper County 40 kmSedgwick County 47 kmKingman County 55 kmGrant County 56 kmKay County 67 kmCowley County 70 kmReno County 85 kmAlfalfa County 87 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
9:18 pm CST on 7 November 2017 ()
Where
22 km (14 mi) west of Wellington, KS · earthquakes near Wellington
Magnitude
M 2.6 (ml)
Depth
4.0 km below the surface
Felt
no reports yet
Nearest
Sumner County, 12 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3207 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

At this magnitude and depth, people at rest would likely notice it out to about 51 km (32 mi) from the epicentre. In Wellington, 22 km away, the estimate is intensity III (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Likely felt in: Conway Springs 13 km, intensity III · Wellington 22 km, intensity III · Caldwell 27 km, intensity II · Belle Plaine 33 km, intensity II · Anthony 38 km, intensity II · Haysville 40 km, intensity II · Cheney 42 km, intensity II · Derby 43 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 240 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 63,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 45,000× the energy of this one
  3. Around the size people start to feel M 3.0 4× the energy of this one
  4. This earthquake M 2.6 about 240 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.

For this area

The largest earthquake within 50 km since 2016 was M 4.0 on 2016-11-25 — about 130 times the energy of this one.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 37.2748, -97.6242. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Sumner County, KS 12 km (8 mi) ESE earthquakes near Sumner County
Harper County, KS 40 km (25 mi) WSW earthquakes near Harper County
Sedgwick County, KS 47 km (29 mi) NNE earthquakes near Sedgwick County
Kingman County, KS 55 km (34 mi) NW earthquakes near Kingman County
Grant County, OK 56 km (35 mi) SSW earthquakes near Grant County
Kay County, OK 67 km (41 mi) SE earthquakes near Kay County

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

Aftershocks so far

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

  1. 1.6 7 km N of Argonia, Kansas
  2. 2.0 10 km N of Caldwell, Kansas
  3. 1.8 2 km SSE of Freeport, Kansas
  4. 2.3 2 km SSE of Freeport, Kansas
  5. 3.1 7 km N of Nardin, Oklahoma
  6. 2.8 7 km N of Nardin, Oklahoma
  7. 1.9 5 km ESE of Harper, Kansas
  8. 1.7 5 km SSW of Bluff City, Kansas
  9. 2.6 4 km E of Freeport, Kansas
  10. 1.6 8 km WSW of Hunnewell, Kansas
  11. 2.4 1 km S of Renfrow, Oklahoma
  12. 2.2 3 km E of Freeport, Kansas
  13. 1.5 9 km W of Bluff City, Kansas
  14. 2.8 1 km S of Renfrow, Oklahoma
  15. 1.7 4 km ENE of Danville, 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

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.