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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

106 km E of Atka, Alaska

26 October 2026, 08:05:26 (+03) 2026-10-26 05:05:26 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.4 ml
Depth
2.2 km
Coordinates
52.2150, -172.6370
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
10

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

10 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 3
  • M3 5
  • M4 2
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 4
  • 10–20 km 0
  • 20–40 km 0
  • 40–70 km 2
  • 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
ANDREANOF ISLANDS, ALEUTIAN IS.
 3.4 ml 2.2 km 05:05:26.517 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
106 km E of Atka, Alaska
 3.4 ml 2.2 km 05:05:26.516 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. 29.10.2026 03:13:44 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  2. 29.10.2026 03:10:33 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  3. 29.10.2026 03:07:04 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  4. 29.10.2026 03:06:03 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  5. 29.10.2026 03:04:00 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  6. 29.10.2026 03:02:58 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  7. 29.10.2026 03:01:53 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  8. 29.10.2026 02:57:38 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  9. 29.10.2026 02:55:28 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  10. 29.10.2026 02:53:21 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  11. 29.10.2026 02:52:17 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  12. 29.10.2026 02:49:00 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  13. 29.10.2026 02:41:45 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  14. 29.10.2026 02:33:23 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  15. 29.10.2026 02:32:21 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  16. 29.10.2026 02:31:20 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  17. 29.10.2026 02:29:08 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  18. 29.10.2026 02:25:56 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  19. 29.10.2026 02:22:46 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  20. 29.10.2026 02:21:47 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  21. 29.10.2026 02:19:19 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  22. 29.10.2026 02:15:57 · EMSC · update

    time: 2026-10-26T05:05:26.517+00:00 → 2026-10-26T05:05:26.516+00:00

  23. 29.10.2026 02:14:53 · SISTEM · recompute

    time: 2026-10-26T05:05:26.517Z → 2026-10-26 05:05:26.516+00:00 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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