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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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3.1

79 km W of Karluk, Alaska

16 October 2026, 09:44:46 (+03) 2026-10-16 06:44:46 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.1 ml
Depth
2.9 km
Coordinates
57.6760, -155.7770
Data consistency
89/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
5
Last 30 days
18

Approximate energy released

≈ 0.7 t TNT

2.82e+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

23 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 15
  • M3 8
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 5
  • 10–20 km 0
  • 20–40 km 2
  • 40–70 km 6
  • 70–150 km 7
  • 150+ km 3

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
ALASKA PENINSULA
 3.0 ml 10.6 km 06:44:47.148 Δt 0.83 sn · 8.34 km · ΔM -0.1 Original record
USGS Earthquake Hazards Program Displayed
79 km W of Karluk, Alaska
 3.1 ml 2.9 km 06:44:46.321 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. 20.10.2026 02:32:15 · USGS · update

    depth: 5.2 → 2.9 longitude: -155.775 → -155.777 magnitude: 3 → 3.1 time: 2026-10-16T06:44:46.498+00:00 → 2026-10-16T06:44:46.321+00:00 review status: automatic → reviewed

  2. 20.10.2026 02:32:15 · SISTEM · recompute

    depth: 10.6 → 2.9 latitude: 57.7151 → 57.676 longitude: -155.8962 → -155.777 magnitude: 3 → 3.1 time: 2026-10-16T06:44:47.148Z → 2026-10-16 06:44:46.321+00:00 review status: automatic → reviewed preferred source: 3 → 4

  3. 16.10.2026 21:05:19 · SISTEM · recompute

    source count: 1 → 2 confirming sources: emsc → emsc,usgs

  4. 16.10.2026 12:05:05 · EMSC · update

    depth: 5.2 → 10.6 latitude: 57.676 → 57.7151 longitude: -155.775 → -155.8962 time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:47.148+00:00

  5. 16.10.2026 12:05:05 · SISTEM · recompute

    depth: 5.2 → 10.6 latitude: 57.676 → 57.7151 longitude: -155.775 → -155.8962 time: 2026-10-16T06:44:46.499Z → 2026-10-16 06:44:47.148+00:00

  6. 16.10.2026 10:48:12 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  7. 16.10.2026 10:44:58 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  8. 16.10.2026 10:40:49 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  9. 16.10.2026 10:39:47 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  10. 16.10.2026 10:36:43 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  11. 16.10.2026 10:35:40 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  12. 16.10.2026 10:34:39 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  13. 16.10.2026 10:30:29 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  14. 16.10.2026 10:29:28 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  15. 16.10.2026 10:28:26 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  16. 16.10.2026 10:27:22 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  17. 16.10.2026 10:26:19 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  18. 16.10.2026 10:22:05 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  19. 16.10.2026 10:17:58 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  20. 16.10.2026 10:16:54 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  21. 16.10.2026 10:15:56 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  22. 16.10.2026 10:12:47 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  23. 16.10.2026 10:09:18 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  24. 16.10.2026 10:08:17 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  25. 16.10.2026 10:02:58 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  26. 16.10.2026 10:00:55 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  27. 16.10.2026 09:57:49 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  28. 16.10.2026 09:54:42 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  29. 16.10.2026 09:51:37 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  30. 16.10.2026 09:49:33 · EMSC · update

    time: 2026-10-16T06:44:46.499+00:00 → 2026-10-16T06:44:46.498+00:00

  31. 16.10.2026 09:48:31 · EMSC · update

    depth: 4.3 → 5.2 latitude: 57.657 → 57.676 longitude: -155.741 → -155.775 time: 2026-10-16T06:44:46.204+00:00 → 2026-10-16T06:44:46.498+00:00

  32. 16.10.2026 09:48:31 · SISTEM · recompute

    depth: 4.3 → 5.2 latitude: 57.657 → 57.676 longitude: -155.741 → -155.775 time: 2026-10-16T06:44:46.204Z → 2026-10-16 06:44:46.499+00:00

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