QuakeIndex

Earthquake · reviewed by a seismologist

M 1.7ml

Earthquake near Newcastle, OK

No earthquake was likely felt in Newcastle in the 24 hours to 9:27 am CST (15:27 UTC). The last one was M 3.4, 57 km (35 mi) NW, at 5:53 am CST on 7 November 2026, estimated intensity III (weak) in town; 23 felt reports to USGS. Every earthquake near Newcastle

This page: a magnitude 1.7 earthquake was recorded 7 km (4 mi) north-northeast of Newcastle, OK, at 5:31 am CDT on 14 August 2022 (10:31 UTC), 6.1 km deep.

USGS: 6 km NNE of Newcastle, Oklahoma

19 km (12 mi) SSW of Oklahoma City, OK · 8 km (5 mi) WSW of Moore, OK

5:31 am CDT, Aug 14, 2022 · · 6.1 km deep · released about 11 lb of TNT

10 km30 km60 km120 km N Cleveland County 24 kmOklahoma County 31 kmMcClain County 33 kmGrady County 43 kmCanadian County 47 kmPottawatomie County 56 kmLogan County 69 kmGarvin County 69 kmCaddo 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
5:31 am CDT on 14 August 2022 ()
Where
7 km (4 mi) north-northeast of Newcastle, OK · earthquakes near Newcastle
Oklahoma today
every earthquake in Oklahoma in the last 24 hours
Magnitude
M 1.7 (ml)
Depth
6.1 km below the surface
Felt
no reports yet
Nearest
Cleveland County, 24 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1549 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 11 km (7 mi) from the epicentre. In Newcastle, 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: Moore 8 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 11 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,400,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 970,000× the energy of this one
  3. Around the size people start to feel M 3.0 86× the energy of this one
  4. This earthquake M 1.7 about 11 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 4.2 on 2016-01-01 — about 5,400 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 35.3002, -97.5612. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Cleveland County, OK 24 km (15 mi) ESE earthquakes near Cleveland County
Oklahoma County, OK 31 km (20 mi) NNE earthquakes near Oklahoma County
McClain County, OK 33 km (21 mi) SSE earthquakes near McClain County
Grady County, OK 43 km (27 mi) SW earthquakes near Grady County
Canadian County, OK 47 km (29 mi) NW earthquakes near Canadian County
Pottawatomie County, OK 56 km (35 mi) E earthquakes near Pottawatomie 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. 2.2 6 km WSW of Minco, Oklahoma
  2. 1.7 Oklahoma
  3. 1.5 5 km WSW of Minco, Oklahoma
  4. 1.5 4 km W of Minco, Oklahoma
  5. 2.1 4 km WSW of Minco, Oklahoma
  6. 1.6 5 km WSW of Minco, Oklahoma
  7. 1.5 6 km WSW of Minco, Oklahoma
  8. 1.6 5 km SW of Minco, Oklahoma
  9. 1.6 6 km WSW of Minco, Oklahoma
  10. 2.1 4 km ENE of Union City, Oklahoma
  11. 2.7 9 km S of Dibble, Oklahoma
  12. 1.7 4 km ENE of Union City, Oklahoma
  13. 1.9 4 km ENE of Union City, Oklahoma
  14. 1.5 4 km ENE of Union City, Oklahoma
  15. 1.6 6 km W of Arcadia, 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.