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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

127 km WSW of Adak, Alaska

19 October 2026, 04:43:48 (+03) 2026-10-19 01:43:48 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.0 ml
Depth
20.8 km
Coordinates
51.3220, -178.2470
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
4
Last 30 days
30

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

36 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 27
  • M3 7
  • M4 2
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 5
  • 10–20 km 16
  • 20–40 km 12
  • 40–70 km 2
  • 70–150 km 1
  • 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.
 3.0 ml 20.8 km 01:43:48.521 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
127 km WSW of Adak, Alaska
 3.0 ml 20.8 km 01:43:48.520 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. 22.10.2026 02:13:29 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  2. 22.10.2026 02:12:27 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  3. 22.10.2026 02:10:24 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  4. 22.10.2026 02:08:06 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  5. 22.10.2026 02:01:54 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  6. 22.10.2026 01:54:39 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  7. 22.10.2026 01:53:38 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  8. 22.10.2026 01:52:32 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  9. 22.10.2026 01:51:32 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  10. 22.10.2026 01:50:29 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  11. 22.10.2026 01:49:23 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  12. 22.10.2026 01:47:20 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  13. 22.10.2026 01:44:06 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  14. 22.10.2026 01:43:00 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  15. 22.10.2026 01:40:56 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  16. 22.10.2026 01:35:41 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  17. 22.10.2026 01:30:34 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  18. 22.10.2026 01:29:35 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  19. 22.10.2026 01:27:28 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  20. 22.10.2026 01:25:23 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  21. 22.10.2026 01:24:21 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  22. 22.10.2026 01:23:19 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  23. 22.10.2026 01:22:17 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  24. 22.10.2026 01:20:07 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  25. 22.10.2026 01:19:06 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  26. 22.10.2026 01:18:04 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  27. 22.10.2026 01:15:54 · EMSC · update

    time: 2026-10-19T01:43:48.521+00:00 → 2026-10-19T01:43:48.520+00:00

  28. 22.10.2026 01:13:51 · SISTEM · recompute

    time: 2026-10-19T01:43:48.521Z → 2026-10-19 01:43:48.520+00:00 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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