QuakeIndex

quarry blast · reviewed by a seismologist

M 1.5ml

1 km SW of Hulbert, Oklahoma

· 0.0 km deep · released about 6.2 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Cherokee County 14 kmWagoner County 33 kmMuskogee County 39 kmMayes County 43 kmAdair County 45 kmSequoyah County 59 kmDelaware County 61 kmRogers County 65 kmTulsa County 74 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 1.5 (ml)
Depth
0.0 km below the surface
Felt
no reports yet
Nearest
Cherokee County, 14 km E
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1493 days ago

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

USGS catalogues this as quarry blast, not an earthquake.

How big was it?

This earthquake released about 6.2 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,500,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,700,000× the energy of this one
  3. Around the size people start to feel M 3.0 150× the energy of this one
  4. This earthquake M 1.5 about 6.2 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 35.9198, -95.1552. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Cherokee County, OK 14 km (9 mi) W of here earthquakes near Cherokee County
Wagoner County, OK 33 km (20 mi) E of here earthquakes near Wagoner County
Muskogee County, OK 39 km (25 mi) NNE of here earthquakes near Muskogee County
Mayes County, OK 43 km (27 mi) S of here earthquakes near Mayes County
Adair County, OK 45 km (28 mi) W of here earthquakes near Adair County
Sequoyah County, OK 59 km (37 mi) NW of here earthquakes near Sequoyah 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. 2.0 3 km SE of Zeb, Oklahoma
  2. 1.7 4 km SSW of Hulbert, Oklahoma
  3. 1.7 3 km SW of Hulbert, Oklahoma
  4. 1.7 3 km SE of Zeb, Oklahoma
  5. 1.6 2 km SW of Hulbert, Oklahoma
  6. 1.5 6 km SW of Hulbert, Oklahoma
  7. 1.6 4 km SW of Hulbert, Oklahoma
  8. 1.6 1 km SE of Zeb, Oklahoma
  9. 1.6 3 km SSW of Hulbert, Oklahoma
  10. 1.9 3 km SE of Zeb, Oklahoma
  11. 1.6 3 km SW of Hulbert, Oklahoma
  12. 1.7 3 km ESE of Zeb, Oklahoma
  13. 1.5 2 km SSE of Zeb, Oklahoma
  14. 1.8 2 km SSE of Hulbert, Oklahoma
  15. 1.8 1 km ESE of Zeb, 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

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