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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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3.4

88 km W of Akhiok, Alaska

3 November 2026, 03:27:57 (+03) 2026-11-03 00:27:57 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.4 ml
Depth
25.3 km
Coordinates
56.8810, -155.6130
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
6
Last 30 days
25

Approximate energy released

≈ 1.9 t TNT

7.94e+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

32 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 24
  • M3 8
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 7
  • 10–20 km 3
  • 20–40 km 5
  • 40–70 km 11
  • 70–150 km 6
  • 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
ALASKA PENINSULA
 3.4 ml 25.3 km 00:27:57.420 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
88 km W of Akhiok, Alaska
 3.4 ml 25.3 km 00:27:57.419 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 04:57:46 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  2. 05.11.2026 04:56:45 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  3. 05.11.2026 04:52:32 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  4. 05.11.2026 04:51:30 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  5. 05.11.2026 04:50:31 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  6. 05.11.2026 04:49:27 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  7. 05.11.2026 04:45:21 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  8. 05.11.2026 04:44:18 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  9. 05.11.2026 04:39:31 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  10. 05.11.2026 04:36:12 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  11. 05.11.2026 04:35:11 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  12. 05.11.2026 04:28:33 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  13. 05.11.2026 04:19:27 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  14. 05.11.2026 04:18:21 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  15. 05.11.2026 04:06:46 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  16. 05.11.2026 04:03:40 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  17. 05.11.2026 04:02:39 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  18. 05.11.2026 04:01:37 · EMSC · update

    time: 2026-11-03T00:27:57.420+00:00 → 2026-11-03T00:27:57.419+00:00

  19. 05.11.2026 03:58:30 · USGS · update

    latitude: 56.872 → 56.881 longitude: -155.591 → -155.613 time: 2026-11-03T00:27:57.237+00:00 → 2026-11-03T00:27:57.419+00:00 location: 86 km W of Akhiok, Alaska → 88 km W of Akhiok, Alaska review status: automatic → reviewed

  20. 05.11.2026 03:58:30 · SISTEM · recompute

    time: 2026-11-03T00:27:57.420Z → 2026-11-03 00:27:57.419+00:00 review status: automatic → reviewed preferred source: 3 → 4

  21. 05.11.2026 03:58:29 · EMSC · update

    depth: 64.7 → 25.3 latitude: 56.9062 → 56.881 longitude: -155.6333 → -155.613 time: 2026-11-03T00:27:57.659+00:00 → 2026-11-03T00:27:57.419+00:00

  22. 05.11.2026 03:58:29 · SISTEM · recompute

    depth: 64.7 → 25.3 latitude: 56.9062 → 56.881 longitude: -155.6333 → -155.613 time: 2026-11-03T00:27:57.659Z → 2026-11-03 00:27:57.420+00:00

  23. 03.11.2026 03:47:18 · EMSC · update

    depth: 25.3 → 64.7 latitude: 56.872 → 56.9062 longitude: -155.591 → -155.6333 time: 2026-11-03T00:27:57.238+00:00 → 2026-11-03T00:27:57.659+00:00

  24. 03.11.2026 03:47:18 · SISTEM · recompute

    depth: 25.3 → 64.7 latitude: 56.872 → 56.9062 longitude: -155.591 → -155.6333 time: 2026-11-03T00:27:57.238Z → 2026-11-03 00:27:57.659+00:00

  25. 03.11.2026 03:46:19 · EMSC · update

    time: 2026-11-03T00:27:57.238+00:00 → 2026-11-03T00:27:57.237+00:00

  26. 03.11.2026 03:45:16 · EMSC · update

    time: 2026-11-03T00:27:57.238+00:00 → 2026-11-03T00:27:57.237+00:00

  27. 03.11.2026 03:44:07 · EMSC · update

    time: 2026-11-03T00:27:57.238+00:00 → 2026-11-03T00:27:57.237+00:00

  28. 03.11.2026 03:43:00 · EMSC · update

    time: 2026-11-03T00:27:57.238+00:00 → 2026-11-03T00:27:57.237+00:00

  29. 03.11.2026 03:37:49 · EMSC · update

    time: 2026-11-03T00:27:57.238+00:00 → 2026-11-03T00:27:57.237+00:00

  30. 03.11.2026 03:36:45 · EMSC · update

    time: 2026-11-03T00:27:57.238+00:00 → 2026-11-03T00:27:57.237+00:00

  31. 03.11.2026 03:35:45 · EMSC · update

    time: 2026-11-03T00:27:57.238+00:00 → 2026-11-03T00:27:57.237+00:00

  32. 03.11.2026 03:34:40 · EMSC · update

    time: 2026-11-03T00:27:57.238+00:00 → 2026-11-03T00:27:57.237+00:00

  33. 03.11.2026 03:32:35 · USGS · update

    depth: 26.1 → 25.3 latitude: 56.873 → 56.872 longitude: -155.604 → -155.591 time: 2026-11-03T00:27:57.437+00:00 → 2026-11-03T00:27:57.237+00:00 location: 87 km W of Akhiok, Alaska → 86 km W of Akhiok, Alaska

  34. 03.11.2026 03:32:35 · EMSC · update

    depth: 26.1 → 25.3 latitude: 56.873 → 56.872 longitude: -155.604 → -155.591 time: 2026-11-03T00:27:57.438+00:00 → 2026-11-03T00:27:57.237+00:00

  35. 03.11.2026 03:32:35 · SISTEM · recompute

    depth: 26.1 → 25.3 latitude: 56.873 → 56.872 longitude: -155.604 → -155.591 time: 2026-11-03T00:27:57.438Z → 2026-11-03 00:27:57.238+00:00

  36. 03.11.2026 03:30:33 · SISTEM · recompute

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

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