QuakeIndex

Earthquake · reviewed by a seismologist

M 2.1ml

Earthquake near Lindsay, OK

No earthquake was likely felt in Lindsay in the 24 hours to 6:11 pm CST (00:11 UTC). The last one was M 3.4, 95 km (59 mi) NNW, at 5:53 am CST on 7 November 2026, estimated intensity II (weak) in town; 23 felt reports to USGS. Every earthquake near Lindsay

This page: a magnitude 2.1 earthquake was recorded 7 km (4 mi) north-northwest of Lindsay, OK, at 9:20 am CDT on 25 June 2021 (14:20 UTC), 9.8 km deep. 3 people have reported feeling it to USGS.

USGS: 6 km NNW of Lindsay, Oklahoma

65 km (40 mi) S of Oklahoma City, OK · 46 km (29 mi) SSW of Norman, OK

9:20 am CDT, Jun 25, 2021 · · 9.8 km deep · released about 51 lb of TNT

10 km30 km60 km120 km N McClain County 21 kmGrady County 28 kmGarvin County 34 kmCleveland County 44 kmStephens County 51 kmMurray County 67 kmPottawatomie County 70 kmCaddo County 76 kmOklahoma County 76 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
9:20 am CDT on 25 June 2021 ()
Where
7 km (4 mi) north-northwest of Lindsay, OK · earthquakes near Lindsay
Oklahoma today
every earthquake in Oklahoma in the last 24 hours
Magnitude
M 2.1 (ml)
Depth
9.8 km below the surface
Felt
3 reports · strongest reported intensity II
Nearest
McClain County, 21 km NE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1889 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth, people at rest would likely notice it out to about 29 km (18 mi) from the epicentre. In Lindsay, 7 km away, the estimate is intensity II (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: Lindsay 7 km, intensity II · Blanchard 28 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 51 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.1 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 300,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 210,000× the energy of this one
  3. Around the size people start to feel M 3.0 19× the energy of this one
  4. This earthquake M 2.1 about 51 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

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

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 34.8920, -97.6180. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
McClain County, OK 21 km (13 mi) NE earthquakes near McClain County
Grady County, OK 28 km (18 mi) WNW earthquakes near Grady County
Garvin County, OK 34 km (21 mi) SE earthquakes near Garvin County
Cleveland County, OK 44 km (27 mi) NE earthquakes near Cleveland County
Stephens County, OK 51 km (31 mi) SSW earthquakes near Stephens County
Murray County, OK 67 km (42 mi) SE earthquakes near Murray County

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

Aftershocks so far

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

  1. 2.4 0 km W of Cole, Oklahoma
  2. 1.6 2 km WSW of Cole, Oklahoma
  3. 2.7 8 km SSW of Alex, Oklahoma
  4. 1.6 1 km SW of Cole, Oklahoma
  5. 2.3 8 km SSW of Alex, Oklahoma
  6. 2.6 1 km W of Cole, Oklahoma
  7. 1.7 1 km SW of Cole, Oklahoma
  8. 1.6 8 km SSW of Alex, Oklahoma
  9. 1.7 6 km SSW of Alex, Oklahoma
  10. 2.1 11 km N of Lindsay, Oklahoma
  11. 2.0 9 km N of Lindsay, Oklahoma
  12. 2.0 1 km WNW of Bridge Creek, Oklahoma
  13. 1.7 1 km W of Bridge Creek, Oklahoma
  14. 2.3 9 km E of Chickasha, Oklahoma
  15. 2.3 7 km SE of Erin Springs, 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

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