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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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3.3

KODIAK ISLAND REGION, ALASKA

11 November 2026, 23:24:46 (+03) 2026-11-11 20:24:46 UTC

2 sources: EMSC, USGS ml
Magnitude
3.3 ml
Depth
10.0 km
Coordinates
56.1322, -152.4283
Data consistency
85/100

Regional activity (100 km)

Last 24 hours
2
Last 7 days
2
Last 30 days
4

Approximate energy released

≈ 1.3 t TNT

5.62e+9 J

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

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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

4 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 2
  • M3 2
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 1
  • 10–20 km 3
  • 20–40 km 0
  • 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 Displayed
KODIAK ISLAND REGION, ALASKA
3.3 ml 10.0 km 20:24:46.422 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program
131 km SSE of Old Harbor, Alaska
3.3 ml 5.8 km 20:24:46.192 Δt 0.23 sn · 1.22 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. 12.11.2026 00:44:46 · EMSC · update

    depth: 5.8 → 10 latitude: 56.125 → 56.1322 longitude: -152.443 → -152.4283 time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.422+00:00

  2. 12.11.2026 00:44:46 · SISTEM · recompute

    depth: 5.8 → 10 latitude: 56.125 → 56.1322 longitude: -152.443 → -152.4283 time: 2026-11-11T20:24:46.193Z → 2026-11-11 20:24:46.422+00:00

  3. 12.11.2026 00:29:05 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  4. 12.11.2026 00:28:02 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  5. 12.11.2026 00:22:52 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  6. 12.11.2026 00:13:25 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  7. 12.11.2026 00:12:25 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  8. 12.11.2026 00:11:26 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  9. 12.11.2026 00:10:22 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  10. 12.11.2026 00:02:56 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  11. 11.11.2026 23:58:45 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  12. 11.11.2026 23:56:41 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  13. 11.11.2026 23:53:37 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  14. 11.11.2026 23:52:32 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  15. 11.11.2026 23:51:31 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  16. 11.11.2026 23:50:26 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  17. 11.11.2026 23:47:21 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  18. 11.11.2026 23:45:16 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  19. 11.11.2026 23:44:16 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  20. 11.11.2026 23:38:02 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  21. 11.11.2026 23:36:56 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  22. 11.11.2026 23:35:56 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  23. 11.11.2026 23:33:51 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  24. 11.11.2026 23:29:41 · EMSC · update

    time: 2026-11-11T20:24:46.193+00:00 → 2026-11-11T20:24:46.192+00:00

  25. 11.11.2026 23:28:43 · SISTEM · recompute

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

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