QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5ml

Earthquake near Tuttle, OK

No earthquake was likely felt in Tuttle in the 24 hours to 9:24 am CST (15:24 UTC). The last one was M 3.4, 41 km (26 mi) NNW, at 5:53 am CST on 7 November 2026, estimated intensity III (weak) in town; 23 felt reports to USGS. Every earthquake near Tuttle

This page: a magnitude 2.5 earthquake was recorded 6 km (4 mi) west-southwest of Tuttle, OK, at 2:57 pm CST on 8 February 2020 (20:57 UTC), 7.0 km deep. 5 people have reported feeling it to USGS.

USGS: 6 km WSW of Tuttle, Oklahoma

40 km (25 mi) WSW of Oklahoma City, OK · 37 km (23 mi) W of Moore, OK

2:57 pm CST, Feb 8, 2020 · · 7.0 km deep · released about 150 lb of TNT

10 km30 km60 km120 km N Grady County 28 kmCanadian County 31 kmCaddo County 47 kmMcClain County 48 kmCleveland County 51 kmOklahoma County 53 kmKingfisher County 75 kmLogan County 81 kmGarvin County 81 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
2:57 pm CST on 8 February 2020 ()
Where
6 km (4 mi) west-southwest of Tuttle, OK · earthquakes near Tuttle
Oklahoma today
every earthquake in Oklahoma in the last 24 hours
Magnitude
M 2.5 (ml)
Depth
7.0 km below the surface
Felt
5 reports · strongest reported intensity IV
Nearest
Grady County, 28 km S
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2391 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 44 km (27 mi) from the epicentre. In Tuttle, 6 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: Tuttle 6 km, intensity III · Minco 7 km, intensity III · Union City 14 km, intensity III · Mustang 19 km, intensity II · Chickasha 25 km, intensity II · Blanchard 25 km, intensity II · Yukon 28 km, intensity II · El Reno 30 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 150 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 99,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 70,000× the energy of this one
  3. Around the size people start to feel M 3.0 6.2× the energy of this one
  4. This earthquake M 2.5 about 150 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 35.2732, -97.8805. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Grady County, OK 28 km (17 mi) S earthquakes near Grady County
Canadian County, OK 31 km (19 mi) NNW earthquakes near Canadian County
Caddo County, OK 47 km (29 mi) WSW earthquakes near Caddo County
McClain County, OK 48 km (30 mi) SE earthquakes near McClain County
Cleveland County, OK 51 km (32 mi) E earthquakes near Cleveland County
Oklahoma County, OK 53 km (33 mi) NE earthquakes near Oklahoma County

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

Aftershocks so far

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

  1. 1.6 6 km NE of Alex, Oklahoma
  2. 1.8 5 km WSW of Tuttle, Oklahoma
  3. 2.1 5 km WSW of Tuttle, Oklahoma
  4. 1.9 7 km NE of Alex, Oklahoma
  5. 3.0 9 km SW of Dibble, Oklahoma
  6. 1.5 8 km NNE of Bradley, Oklahoma
  7. 2.2 8 km N of Bradley, Oklahoma
  8. 2.0 9 km WNW of Dibble, Oklahoma
  9. 1.6 9 km SW of Dibble, Oklahoma
  10. 2.0 7 km NE of Alex, Oklahoma
  11. 1.8 8 km N of Bradley, Oklahoma
  12. 1.6 8 km NNE of Bradley, Oklahoma
  13. 1.6 9 km SW of Dibble, Oklahoma
  14. 2.0 8 km N of Bradley, Oklahoma
  15. 2.6 8 km N of Bradley, 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.