QuakeIndex

Every recorded earthquake within 30 km

Earthquakes near Sulphur, OK

No earthquake was likely felt in Sulphur in the 24 hours to 4:47 pm CDT (21:47 UTC). The last one was M 2.8, 51 km (32 mi) W, at 8:41 pm CDT on 17 October 2026, estimated intensity II (weak) in town; 4 felt reports to USGS.

M 3.1

Latest: 4:50 am CST on 15 February 2026 · 28 km (17 mi) SW of Sulphur, OK

The most recent earthquake of M2.5 or more near Sulphur was M 3.1, 28 km (17 mi) SW of Sulphur, OK, at 4:50 am CST on 15 February 2026, 20 km deep. 11 people reported feeling it to USGS. The estimated shaking in Sulphur was intensity III (weak), felt by some people at rest indoors. 15 smaller earthquakes have been recorded near Sulphur since; the newest is first in the list below.

No earthquake of M1.5 or more was recorded within 30 km (19 mi) of Sulphur in the last 24 hours.

Last 24 hours
0
Last 7 days
0
Last 30 days
2 · an average 30 days here since 2016: 2.3
Last 12 months
18 · largest M 3.1 on 15 February 2026
Since 2016
296 earthquakes of M1.5 or more within 30 km
Largest since 2016
M 3.1 on 15 February 2026, 28 km (17 mi) SW of Sulphur, OK
Reported felt
14 of them have felt reports to USGS

USGS · feed checked · newest earthquake in our database · this page · counts are earthquakes of M1.5 or more within 30 km (19 mi) of the town centre; shaking is estimated for the town centre with the intensity equation USGS Did You Feel It? uses

If you felt one

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.

The last 30 days

Sep 21 Oct 6 Oct 20
Each mark is a day's largest quake within range; its size is the magnitude. The shaded band is the magnitude a day's largest quake normally falls in here (M1.6–M1.8), from this place's own 10-year record. A mark above the band is a bigger day than usual.

The latest 50

  1. 1.3 16 km (10 mi) SE of Sulphur, OK
  2. 1.7 27 km (17 mi) W of Sulphur, OK
  3. 1.3 13 km (8 mi) ESE of Sulphur, OK
  4. 1.6 24 km (15 mi) W of Sulphur, OK
  5. 1.5 13 km (8 mi) ESE of Sulphur, OK
  6. 1.5 22 km (14 mi) W of Sulphur, OK
  7. 1.5 25 km (16 mi) W of Sulphur, OK
  8. 1.6 18 km (11 mi) SE of Sulphur, OK
  9. 1.7 18 km (11 mi) SE of Sulphur, OK
  10. 1.5 22 km (14 mi) W of Sulphur, OK
  11. 1.5 23 km (14 mi) W of Sulphur, OK · felt by 1
  12. 1.6 28 km (17 mi) W of Sulphur, OK
  13. 1.5 27 km (17 mi) W of Sulphur, OK
  14. 1.5 24 km (15 mi) W of Sulphur, OK
  15. 1.5 23 km (14 mi) W of Sulphur, OK
  16. 1.6 13 km (8 mi) ESE of Sulphur, OK
  17. 1.5 16 km (10 mi) SSW of Sulphur, OK
  18. 1.5 23 km (15 mi) W of Sulphur, OK
  19. 3.1 28 km (17 mi) SW of Sulphur, OK · felt by 11
  20. 1.5 22 km (14 mi) W of Sulphur, OK
  21. 1.7 23 km (14 mi) SE of Sulphur, OK
  22. 1.5 22 km (13 mi) W of Sulphur, OK
  23. 1.9 22 km (14 mi) W of Sulphur, OK
  24. 2.0 20 km (12 mi) W of Sulphur, OK
  25. 1.5 15 km (9 mi) ESE of Sulphur, OK
  26. 1.6 22 km (14 mi) NE of Sulphur, OK
  27. 1.6 27 km (17 mi) W of Sulphur, OK
  28. 1.8 20 km (12 mi) W of Sulphur, OK
  29. 1.6 25 km (16 mi) W of Sulphur, OK
  30. 1.5 19 km (12 mi) SE of Sulphur, OK
  31. 1.5 18 km (11 mi) SE of Sulphur, OK
  32. 1.9 21 km (13 mi) W of Sulphur, OK
  33. 2.1 26 km (16 mi) W of Sulphur, OK · felt by 1
  34. 1.5 14 km (9 mi) ESE of Sulphur, OK
  35. 1.6 17 km (11 mi) SE of Sulphur, OK
  36. 1.5 29 km (18 mi) NE of Sulphur, OK
  37. 2.2 29 km (18 mi) W of Sulphur, OK · felt by 1
  38. 2.0 27 km (17 mi) W of Sulphur, OK · felt by 1
  39. 1.9 27 km (17 mi) W of Sulphur, OK
  40. 1.8 29 km (18 mi) W of Sulphur, OK
  41. 1.5 30 km (18 mi) W of Sulphur, OK
  42. 1.5 29 km (18 mi) W of Sulphur, OK
  43. 2.6 29 km (18 mi) W of Sulphur, OK · felt by 1
  44. 1.9 29 km (18 mi) W of Sulphur, OK
  45. 1.6 18 km (11 mi) SSE of Sulphur, OK
  46. 1.6 27 km (17 mi) W of Sulphur, OK
  47. 2.1 15 km (9 mi) NE of Sulphur, OK
  48. 1.6 26 km (16 mi) ESE of Sulphur, OK
  49. 1.5 22 km (13 mi) W of Sulphur, OK
  50. 1.5 11 km (7 mi) ESE of Sulphur, OK

From the QuakeIndex database, which reads the USGS feed every 30 seconds and holds the USGS catalogue for the US from 2016 (M1.5+). Times are Sulphur time. Distances are from the town centre. Quakes USGS named after Sulphur are listed even when they are further out.

Show these earthquakes on your own site: a free card with the latest quakes near Sulphur, for a local news site, school or neighborhood page.

On the map

The white circle is Sulphur; dots are the 50 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Estimated shaking in Sulphur

The strongest shaking in Sulphur from a quake since 2016 is estimated at intensity III (weak), from the M 3.1 on 15 February 2026, 28 km away. Intensity II and III are felt by some people at rest indoors; IV by most people indoors; V and above wakes sleepers and moves objects.

MagnitudeWhenDistanceShaking in Sulphur (est.)
M 3.1 28 kmIII · Weak · felt by 11
M 2.6 29 kmII · Weak · felt by 1
M 2.3 18 kmII · Weak
M 2.2 17 kmII · Weak
M 2.2 18 kmII · Weak · felt by 1

An estimate for the town centre from magnitude, depth and distance, with the intensity equation USGS Did You Feel It? uses (Atkinson & Wald, 2007), on the Modified Mercalli scale. All 5 reach intensity II or more in town, where people at rest start to notice. Ground conditions change it street by street. It describes the past, not a hazard.

Before 2016

The USGS record since 1900 lists no earthquake of M5 or more within 50 km of Sulphur.

USGS ComCat, M5+ from 1900 to 2015. This is the record, not a forecast.

Nearby towns

Ada 40 km

Be ready

Earthquakes cannot be predicted, here or anywhere, so the useful step is the one taken beforehand. The advice below is from the agencies responsible for it.

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.