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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

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2.8

6 km ENE of Calumet, Oklahoma

5 November 2026, 13:31:13 (+03) 2026-11-05 10:31:13 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
2.8 ml
Depth
6.6 km
Coordinates
35.6135, -98.0452
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
6
Last 30 days
15

Approximate energy released

≈ 0.2 t TNT

1.00e+9 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

Did you feel this earthquake?

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Community reports

Based on voluntary reports from users; not an instrumental measurement or official intensity. For official information follow AFAD and Kandilli Observatory announcements.

Impact information reported by sources

  • USGS Earthquake Hazards Program Tsunami flag: No

These values are automatic products of the respective agency, not an assessment by this platform. For tsunami warnings follow the Kandilli Observatory Regional Earthquake-Tsunami Monitoring Center and AFAD.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

18 earthquakes

By magnitude

  • M0 0
  • M1 7
  • M2 7
  • M3 4
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 14
  • 10–20 km 3
  • 20–40 km 1
  • 40–70 km 0
  • 70–150 km 0
  • 150+ km 0

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
OKLAHOMA
 2.7 ml 6.6 km 10:31:13.330 Δt 0 sn · 0 km · ΔM -0.1 Original record
USGS Earthquake Hazards Program Displayed
6 km ENE of Calumet, Oklahoma
 2.8 ml 6.6 km 10:31:13.330 Δt 0 sn · 0 km · ΔM 0 Original record

This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government)

Revision history

  1. 05.11.2026 16:03:46 · USGS · update

    depth: 1.84 → 6.63 latitude: 35.62237 → 35.6135 longitude: -98.03316 → -98.04517 time: 2026-11-05T10:31:13.917+00:00 → 2026-11-05T10:31:13.330+00:00 location: 8 km ENE of Calumet, Oklahoma → 6 km ENE of Calumet, Oklahoma review status: automatic → reviewed

  2. 05.11.2026 16:03:46 · SISTEM · recompute

    depth: 6.6 → 6.63 longitude: -98.0452 → -98.04517 magnitude: 2.7 → 2.8 review status: automatic → reviewed preferred source: 3 → 4

  3. 05.11.2026 16:03:46 · EMSC · update

    depth: 5 → 6.6 latitude: 35.6076 → 35.6135 longitude: -98.02 → -98.0452 time: 2026-11-05T10:31:13.145+00:00 → 2026-11-05T10:31:13.330+00:00

  4. 05.11.2026 16:03:46 · SISTEM · recompute

    depth: 5 → 6.6 latitude: 35.6076 → 35.6135 longitude: -98.02 → -98.0452 time: 2026-11-05T10:31:13.145Z → 2026-11-05 10:31:13.330+00:00

  5. 05.11.2026 14:24:58 · EMSC · update

    depth: 2.4 → 5 latitude: 35.6193 → 35.6076 longitude: -98.0372 → -98.02 magnitude: 2.8 → 2.7 time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.145+00:00

  6. 05.11.2026 14:24:58 · SISTEM · recompute

    depth: 2.4 → 5 latitude: 35.6193 → 35.6076 longitude: -98.0372 → -98.02 magnitude: 2.8 → 2.7 time: 2026-11-05T10:31:13.810Z → 2026-11-05 10:31:13.145+00:00

  7. 05.11.2026 14:22:50 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  8. 05.11.2026 14:21:46 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  9. 05.11.2026 14:19:42 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  10. 05.11.2026 14:15:25 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  11. 05.11.2026 14:14:26 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  12. 05.11.2026 14:12:19 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  13. 05.11.2026 14:11:16 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  14. 05.11.2026 14:10:12 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  15. 05.11.2026 14:09:13 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  16. 05.11.2026 14:08:09 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  17. 05.11.2026 13:58:46 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  18. 05.11.2026 13:57:42 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  19. 05.11.2026 13:56:42 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  20. 05.11.2026 13:55:40 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  21. 05.11.2026 13:51:32 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  22. 05.11.2026 13:50:29 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  23. 05.11.2026 13:49:26 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  24. 05.11.2026 13:42:11 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  25. 05.11.2026 13:39:02 · USGS · update

    depth: 2.36 → 1.84 latitude: 35.61934 → 35.62237 longitude: -98.03717 → -98.03316 time: 2026-11-05T10:31:13.809+00:00 → 2026-11-05T10:31:13.917+00:00 location: 7 km ENE of Calumet, Oklahoma → 8 km ENE of Calumet, Oklahoma

  26. 05.11.2026 13:35:56 · EMSC · update

    time: 2026-11-05T10:31:13.810+00:00 → 2026-11-05T10:31:13.809+00:00

  27. 05.11.2026 13:34:51 · SISTEM · recompute

    depth: 2.36 → 2.4 latitude: 35.61934 → 35.6193 longitude: -98.03717 → -98.0372 time: 2026-11-05T10:31:13.809Z → 2026-11-05 10:31:13.810+00:00 source count: 1 → 2 confirming sources: usgs → emsc,usgs preferred source: 4 → 3

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