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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

176 km WSW of Yakutat, Alaska

24 October 2026, 04:00:16 (+03) 2026-10-24 01:00:16 UTC

2 sources: EMSC, USGS ml
Magnitude
3.4 ml
Depth
10.0 km
Coordinates
59.0290, -142.6540
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
1

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).

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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 Maximum intensity (MMI): 1,0 ShakeMap

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

1 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 1
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 1
  • 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).

No records.

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
GULF OF ALASKA
3.4 ml 10.0 km 01:00:16.545 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
176 km WSW of Yakutat, Alaska
3.4 ml 10.0 km 01:00:16.545 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. 24.10.2026 08:40:53 · USGS · update

    depth: 44.2 → 10 latitude: 58.987 → 59.029 longitude: -142.656 → -142.654 time: 2026-10-24T01:00:19.435+00:00 → 2026-10-24T01:00:16.545+00:00 location: 178 km WSW of Yakutat, Alaska → 176 km WSW of Yakutat, Alaska review status: automatic → reviewed

  2. 24.10.2026 08:40:53 · SISTEM · recompute

    review status: automatic → reviewed preferred source: 3 → 4

  3. 24.10.2026 08:40:52 · EMSC · update

    depth: 15.7 → 10 latitude: 59.0365 → 59.029 longitude: -142.6651 → -142.654 time: 2026-10-24T01:00:16.441+00:00 → 2026-10-24T01:00:16.545+00:00

  4. 24.10.2026 08:40:52 · SISTEM · recompute

    depth: 15.7 → 10 latitude: 59.0365 → 59.029 longitude: -142.6651 → -142.654 time: 2026-10-24T01:00:16.441Z → 2026-10-24 01:00:16.545+00:00

  5. 24.10.2026 04:45:06 · EMSC · update

    depth: 44.2 → 15.7 latitude: 58.987 → 59.0365 longitude: -142.656 → -142.6651 time: 2026-10-24T01:00:19.435+00:00 → 2026-10-24T01:00:16.441+00:00

  6. 24.10.2026 04:45:06 · SISTEM · recompute

    depth: 44.2 → 15.7 latitude: 58.987 → 59.0365 longitude: -142.656 → -142.6651 time: 2026-10-24T01:00:19.435Z → 2026-10-24 01:00:16.441+00:00

  7. 24.10.2026 04:31:36 · USGS · update

    depth: 35.7 → 44.2 latitude: 58.999 → 58.987 time: 2026-10-24T01:00:19.098+00:00 → 2026-10-24T01:00:19.435+00:00 location: 177 km WSW of Yakutat, Alaska → 178 km WSW of Yakutat, Alaska

  8. 24.10.2026 04:31:35 · EMSC · update

    depth: 35.7 → 44.2 latitude: 58.999 → 58.987 time: 2026-10-24T01:00:19.099+00:00 → 2026-10-24T01:00:19.435+00:00

  9. 24.10.2026 04:31:35 · SISTEM · recompute

    depth: 35.7 → 44.2 latitude: 58.999 → 58.987 time: 2026-10-24T01:00:19.099Z → 2026-10-24 01:00:19.435+00:00

  10. 24.10.2026 04:29:30 · EMSC · update

    time: 2026-10-24T01:00:19.099+00:00 → 2026-10-24T01:00:19.098+00:00

  11. 24.10.2026 04:24:05 · EMSC · update

    time: 2026-10-24T01:00:19.099+00:00 → 2026-10-24T01:00:19.098+00:00

  12. 24.10.2026 04:22:59 · EMSC · update

    time: 2026-10-24T01:00:19.099+00:00 → 2026-10-24T01:00:19.098+00:00

  13. 24.10.2026 04:21:59 · EMSC · update

    time: 2026-10-24T01:00:19.099+00:00 → 2026-10-24T01:00:19.098+00:00

  14. 24.10.2026 04:18:57 · EMSC · update

    time: 2026-10-24T01:00:19.099+00:00 → 2026-10-24T01:00:19.098+00:00

  15. 24.10.2026 04:16:46 · EMSC · update

    time: 2026-10-24T01:00:19.099+00:00 → 2026-10-24T01:00:19.098+00:00

  16. 24.10.2026 04:15:45 · EMSC · update

    time: 2026-10-24T01:00:19.099+00:00 → 2026-10-24T01:00:19.098+00:00

  17. 24.10.2026 04:14:41 · EMSC · update

    time: 2026-10-24T01:00:19.099+00:00 → 2026-10-24T01:00:19.098+00:00

  18. 24.10.2026 04:09:33 · USGS · update

    depth: 53.7 → 35.7 latitude: 58.957 → 58.999 longitude: -142.603 → -142.656 time: 2026-10-24T01:00:20.111+00:00 → 2026-10-24T01:00:19.098+00:00 location: 176 km WSW of Yakutat, Alaska → 177 km WSW of Yakutat, Alaska

  19. 24.10.2026 04:09:32 · EMSC · update

    depth: 53.7 → 35.7 latitude: 58.957 → 58.999 longitude: -142.603 → -142.656 time: 2026-10-24T01:00:20.112+00:00 → 2026-10-24T01:00:19.098+00:00

  20. 24.10.2026 04:09:32 · SISTEM · recompute

    depth: 53.7 → 35.7 latitude: 58.957 → 58.999 longitude: -142.603 → -142.656 time: 2026-10-24T01:00:20.112Z → 2026-10-24 01:00:19.099+00:00

  21. 24.10.2026 04:08:36 · USGS · update

    depth: 7.5 → 53.7 latitude: 59.021 → 58.957 longitude: -142.658 → -142.603 magnitude: 3.3 → 3.4 time: 2026-10-24T01:00:16.244+00:00 → 2026-10-24T01:00:20.111+00:00 location: 177 km WSW of Yakutat, Alaska → 176 km WSW of Yakutat, Alaska

  22. 24.10.2026 04:08:34 · EMSC · update

    depth: 7.5 → 53.7 latitude: 59.021 → 58.957 longitude: -142.658 → -142.603 magnitude: 3.3 → 3.4 time: 2026-10-24T01:00:16.244+00:00 → 2026-10-24T01:00:20.111+00:00

  23. 24.10.2026 04:08:34 · SISTEM · recompute

    depth: 7.5 → 53.7 latitude: 59.021 → 58.957 longitude: -142.658 → -142.603 magnitude: 3.3 → 3.4 time: 2026-10-24T01:00:16.244Z → 2026-10-24 01:00:20.112+00:00

  24. 24.10.2026 04:04:24 · USGS · update

    magnitude: 3.2 → 3.3

  25. 24.10.2026 04:04:23 · EMSC · update

    magnitude: 3.2 → 3.3

  26. 24.10.2026 04:04:23 · SISTEM · recompute

    magnitude: 3.2 → 3.3

  27. 24.10.2026 04:03:24 · USGS · update

    magnitude: 3.4 → 3.2

  28. 24.10.2026 04:03:22 · SISTEM · recompute

    magnitude: 3.4 → 3.2

  29. 24.10.2026 04:03:22 · EMSC · update

    magnitude: 3.4 → 3.2

  30. 24.10.2026 04:02:20 · SISTEM · recompute

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

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