Skip to content
You are offline: the data shown may be out of date.

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.

Back to map
3.5

126 km WSW of Adak, Alaska

25 September 2026, 08:10:44 (+03) 2026-09-25 05:10:44 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.5 ml
Depth
13.6 km
Coordinates
51.3340, -178.2400
Data consistency
90/100

Regional activity (100 km)

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

Approximate energy released

≈ 2.7 t TNT

1.12e+10 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?

Your report adds to a community map of where and how this earthquake was felt. It takes less than a minute.

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): 3,6 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

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).

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
ANDREANOF ISLANDS, ALEUTIAN IS.
 3.5 ml 13.6 km 05:10:44.906 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
126 km WSW of Adak, Alaska
 3.5 ml 13.6 km 05:10:44.905 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. 25.09.2026 23:57:21 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  2. 25.09.2026 23:50:06 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  3. 25.09.2026 23:46:57 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  4. 25.09.2026 23:45:53 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  5. 25.09.2026 23:44:53 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  6. 25.09.2026 23:43:45 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  7. 25.09.2026 23:42:42 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  8. 25.09.2026 23:41:42 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  9. 25.09.2026 23:38:37 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  10. 25.09.2026 23:36:34 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  11. 25.09.2026 23:35:30 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  12. 25.09.2026 23:33:26 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  13. 25.09.2026 23:31:14 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  14. 25.09.2026 23:29:05 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  15. 25.09.2026 23:27:01 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  16. 25.09.2026 23:24:55 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  17. 25.09.2026 23:23:55 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  18. 25.09.2026 23:22:55 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  19. 25.09.2026 23:20:46 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  20. 25.09.2026 23:19:45 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  21. 25.09.2026 23:17:39 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  22. 25.09.2026 23:09:19 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  23. 25.09.2026 23:08:20 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  24. 25.09.2026 23:02:07 · EMSC · update

    time: 2026-09-25T05:10:44.906+00:00 → 2026-09-25T05:10:44.905+00:00

  25. 25.09.2026 23:00:07 · SISTEM · recompute

    time: 2026-09-25T05:10:44.906Z → 2026-09-25 05:10:44.905+00:00 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

This platform is provided for information and data visualisation purposes. Follow the announcements of the competent authorities for official emergency warnings.