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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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3.0

SOUTHERN ALASKA

11 October 2026, 09:22:38 (+03) 2026-10-11 06:22:38 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.0 ml
Depth
81.2 km
Coordinates
59.8741, -152.6716
Data consistency
84/100

Regional activity (100 km)

Last 24 hours
2
Last 7 days
12
Last 30 days
48

Approximate energy released

≈ 0.5 t TNT

2.00e+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

62 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 54
  • M3 8
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 0
  • 40–70 km 9
  • 70–150 km 51
  • 150+ km 2

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 Displayed
SOUTHERN ALASKA
 3.0 ml 81.2 km 06:22:38.903 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program
40 km W of Anchor Point, Alaska
 3.0 ml 80.3 km 06:22:39.125 Δt 0.22 sn · 8.15 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. 11.10.2026 10:27:35 · EMSC · update

    depth: 80.3 → 81.2 latitude: 59.842 → 59.8741 longitude: -152.541 → -152.6716 time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:38.903+00:00

  2. 11.10.2026 10:27:35 · SISTEM · recompute

    depth: 80.3 → 81.2 latitude: 59.842 → 59.8741 longitude: -152.541 → -152.6716 time: 2026-10-11T06:22:39.126Z → 2026-10-11 06:22:38.903+00:00

  3. 11.10.2026 10:23:24 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  4. 11.10.2026 10:22:22 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  5. 11.10.2026 10:16:03 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  6. 11.10.2026 10:15:01 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  7. 11.10.2026 10:10:49 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  8. 11.10.2026 10:09:45 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  9. 11.10.2026 10:08:43 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  10. 11.10.2026 10:07:41 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  11. 11.10.2026 10:03:31 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  12. 11.10.2026 10:02:26 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  13. 11.10.2026 10:01:26 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  14. 11.10.2026 10:00:23 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  15. 11.10.2026 09:58:03 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  16. 11.10.2026 09:49:47 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  17. 11.10.2026 09:48:47 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  18. 11.10.2026 09:45:43 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  19. 11.10.2026 09:44:44 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  20. 11.10.2026 09:43:42 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  21. 11.10.2026 09:39:24 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  22. 11.10.2026 09:38:22 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  23. 11.10.2026 09:37:18 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  24. 11.10.2026 09:35:13 · EMSC · update

    time: 2026-10-11T06:22:39.126+00:00 → 2026-10-11T06:22:39.125+00:00

  25. 11.10.2026 09:28:01 · USGS · update

    depth: 80.1 → 80.3 latitude: 59.837 → 59.842 longitude: -152.529 → -152.541 time: 2026-10-11T06:22:39.136+00:00 → 2026-10-11T06:22:39.125+00:00 location: 39 km W of Anchor Point, Alaska → 40 km W of Anchor Point, Alaska

  26. 11.10.2026 09:27:57 · SISTEM · recompute

    depth: 80.1 → 80.3 latitude: 59.837 → 59.842 longitude: -152.529 → -152.541 time: 2026-10-11T06:22:39.136Z → 2026-10-11 06:22:39.126+00:00 source count: 1 → 2 confirming sources: usgs → emsc,usgs preferred source: 4 → 3

  27. 11.10.2026 09:26:58 · USGS · update

    magnitude: 2.9 → 3

  28. 11.10.2026 09:26:58 · SISTEM · recompute

    magnitude: 2.9 → 3

  29. 11.10.2026 09:25:55 · USGS · update

    depth: 84.2 → 80.1 latitude: 59.859 → 59.837 longitude: -152.648 → -152.529 magnitude: 2.7 → 2.9 time: 2026-10-11T06:22:38.909+00:00 → 2026-10-11T06:22:39.136+00:00 location: 46 km W of Anchor Point, Alaska → 39 km W of Anchor Point, Alaska

  30. 11.10.2026 09:25:55 · SISTEM · recompute

    depth: 84.2 → 80.1 latitude: 59.859 → 59.837 longitude: -152.648 → -152.529 magnitude: 2.7 → 2.9 time: 2026-10-11T06:22:38.909Z → 2026-10-11 06:22:39.136+00:00

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