QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

7 km NNW of Newcastle, Oklahoma

· 5.3 km deep · released about 19 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Cleveland County 30 kmOklahoma County 34 kmMcClain County 37 kmGrady County 39 kmCanadian County 41 kmPottawatomie County 62 kmLogan County 69 kmCaddo County 70 kmGarvin County 73 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
Magnitude
M 1.9 (ml)
Depth
5.3 km below the surface
Felt
4 reports · strongest reported intensity III
Nearest
Cleveland County, 30 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 605 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 4 people have reported feeling it to USGS.

How big was it?

This earthquake released about 19 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.9 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 790,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 560,000× the energy of this one
  3. Around the size people start to feel M 3.0 50× the energy of this one
  4. This earthquake M 1.9 about 19 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.

Where

Epicentre 35.3088, -97.6345. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Cleveland County, OK 30 km (19 mi) WNW of here earthquakes near Cleveland County
Oklahoma County, OK 34 km (21 mi) SW of here earthquakes near Oklahoma County
McClain County, OK 37 km (23 mi) NNW of here earthquakes near McClain County
Grady County, OK 39 km (24 mi) NE of here earthquakes near Grady County
Canadian County, OK 41 km (25 mi) SE of here earthquakes near Canadian County
Pottawatomie County, OK 62 km (39 mi) W of here 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. 1.5 1 km NE of El Reno, Oklahoma
  2. 1.5 3 km SE of Tuttle, Oklahoma
  3. 1.6 3 km SSE of Tuttle, Oklahoma
  4. 1.5 3 km ESE of Tuttle, Oklahoma
  5. 1.7 4 km SE of Tuttle, Oklahoma
  6. 1.6 8 km NNW of Union City, Oklahoma
  7. 1.5 4 km WNW of Bridge Creek, Oklahoma
  8. 1.9 3 km NW of Bridge Creek, Oklahoma
  9. 1.7 3 km WNW of Bridge Creek, Oklahoma
  10. 1.5 2 km NW of Bridge Creek, Oklahoma
  11. 2.0 4 km WNW of Bridge Creek, Oklahoma
  12. 1.6 4 km WNW of Bridge Creek, Oklahoma
  13. 2.2 3 km WNW of Bridge Creek, Oklahoma
  14. 1.6 4 km WNW of Bridge Creek, Oklahoma
  15. 1.6 4 km WNW of Bridge Creek, 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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.3 on 2024-01-13 — it released about 3,800 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

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