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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

51 km E of Chignik, Alaska

3 November 2026, 03:34:05 (+03) 2026-11-03 00:34:05 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.1 ml
Depth
53.2 km
Coordinates
56.2800, -157.5730
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
2
Last 30 days
8

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

15 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 10
  • M3 5
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 1
  • 10–20 km 3
  • 20–40 km 6
  • 40–70 km 1
  • 70–150 km 4
  • 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
 3.1 ml 53.2 km 00:34:05.940 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
51 km E of Chignik, Alaska
 3.1 ml 53.2 km 00:34:05.939 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 05:00:53 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  2. 05.11.2026 04:58:50 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  3. 05.11.2026 04:57:46 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  4. 05.11.2026 04:56:44 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  5. 05.11.2026 04:52:31 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  6. 05.11.2026 04:51:30 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  7. 05.11.2026 04:50:31 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  8. 05.11.2026 04:49:27 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  9. 05.11.2026 04:45:21 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  10. 05.11.2026 04:44:18 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  11. 05.11.2026 04:39:31 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

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

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  13. 05.11.2026 04:35:11 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  14. 05.11.2026 04:28:33 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  15. 05.11.2026 04:19:27 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  16. 05.11.2026 04:18:21 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  17. 05.11.2026 04:06:45 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  18. 05.11.2026 04:03:40 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  19. 05.11.2026 04:02:39 · EMSC · update

    time: 2026-11-03T00:34:05.940+00:00 → 2026-11-03T00:34:05.939+00:00

  20. 05.11.2026 04:01:38 · USGS · update

    depth: 47.6 → 53.2 latitude: 56.3 → 56.28 longitude: -157.566 → -157.573 magnitude: 3 → 3.1 time: 2026-11-03T00:34:06.503+00:00 → 2026-11-03T00:34:05.939+00:00 review status: automatic → reviewed

  21. 05.11.2026 04:01:38 · SISTEM · recompute

    time: 2026-11-03T00:34:05.940Z → 2026-11-03 00:34:05.939+00:00 review status: automatic → reviewed preferred source: 3 → 4

  22. 05.11.2026 04:01:37 · EMSC · update

    depth: 48.5 → 53.2 latitude: 56.3088 → 56.28 longitude: -157.6173 → -157.573 magnitude: 3 → 3.1 time: 2026-11-03T00:34:06.577+00:00 → 2026-11-03T00:34:05.939+00:00

  23. 05.11.2026 04:01:37 · SISTEM · recompute

    depth: 48.5 → 53.2 latitude: 56.3088 → 56.28 longitude: -157.6173 → -157.573 magnitude: 3 → 3.1 time: 2026-11-03T00:34:06.577Z → 2026-11-03 00:34:05.940+00:00

  24. 03.11.2026 03:56:50 · EMSC · update

    depth: 47.6 → 48.5 latitude: 56.3 → 56.3088 longitude: -157.566 → -157.6173 time: 2026-11-03T00:34:06.504+00:00 → 2026-11-03T00:34:06.577+00:00

  25. 03.11.2026 03:56:50 · SISTEM · recompute

    depth: 47.6 → 48.5 latitude: 56.3 → 56.3088 longitude: -157.566 → -157.6173 time: 2026-11-03T00:34:06.504Z → 2026-11-03 00:34:06.577+00:00

  26. 03.11.2026 03:51:35 · EMSC · update

    time: 2026-11-03T00:34:06.504+00:00 → 2026-11-03T00:34:06.503+00:00

  27. 03.11.2026 03:50:33 · EMSC · update

    time: 2026-11-03T00:34:06.504+00:00 → 2026-11-03T00:34:06.503+00:00

  28. 03.11.2026 03:49:23 · EMSC · update

    time: 2026-11-03T00:34:06.504+00:00 → 2026-11-03T00:34:06.503+00:00

  29. 03.11.2026 03:48:21 · EMSC · update

    time: 2026-11-03T00:34:06.504+00:00 → 2026-11-03T00:34:06.503+00:00

  30. 03.11.2026 03:47:18 · EMSC · update

    time: 2026-11-03T00:34:06.504+00:00 → 2026-11-03T00:34:06.503+00:00

  31. 03.11.2026 03:46:18 · EMSC · update

    time: 2026-11-03T00:34:06.504+00:00 → 2026-11-03T00:34:06.503+00:00

  32. 03.11.2026 03:45:15 · EMSC · update

    time: 2026-11-03T00:34:06.504+00:00 → 2026-11-03T00:34:06.503+00:00

  33. 03.11.2026 03:44:06 · EMSC · update

    time: 2026-11-03T00:34:06.504+00:00 → 2026-11-03T00:34:06.503+00:00

  34. 03.11.2026 03:43:00 · EMSC · update

    time: 2026-11-03T00:34:06.504+00:00 → 2026-11-03T00:34:06.503+00:00

  35. 03.11.2026 03:37:50 · USGS · update

    depth: 37.5 → 47.6 latitude: 56.269 → 56.3 longitude: -157.509 → -157.566 time: 2026-11-03T00:34:06.080+00:00 → 2026-11-03T00:34:06.503+00:00 location: 55 km E of Chignik, Alaska → 51 km E of Chignik, Alaska

  36. 03.11.2026 03:37:48 · EMSC · update

    depth: 37.5 → 47.6 latitude: 56.269 → 56.3 longitude: -157.509 → -157.566 time: 2026-11-03T00:34:06.081+00:00 → 2026-11-03T00:34:06.503+00:00

  37. 03.11.2026 03:37:48 · SISTEM · recompute

    depth: 37.5 → 47.6 latitude: 56.269 → 56.3 longitude: -157.509 → -157.566 time: 2026-11-03T00:34:06.081Z → 2026-11-03 00:34:06.504+00:00

  38. 03.11.2026 03:36:46 · USGS · update

    depth: 31.5 → 37.5 latitude: 56.235 → 56.269 longitude: -157.438 → -157.509 time: 2026-11-03T00:34:05.434+00:00 → 2026-11-03T00:34:06.080+00:00 location: 60 km E of Chignik, Alaska → 55 km E of Chignik, Alaska

  39. 03.11.2026 03:36:44 · EMSC · update

    depth: 31.5 → 37.5 latitude: 56.235 → 56.269 longitude: -157.438 → -157.509 time: 2026-11-03T00:34:05.435+00:00 → 2026-11-03T00:34:06.080+00:00

  40. 03.11.2026 03:36:44 · SISTEM · recompute

    depth: 31.5 → 37.5 latitude: 56.235 → 56.269 longitude: -157.438 → -157.509 time: 2026-11-03T00:34:05.435Z → 2026-11-03 00:34:06.081+00:00

  41. 03.11.2026 03:35:46 · SISTEM · recompute

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

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