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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

203 km S of Sand Point, Alaska

4 November 2026, 07:49:27 (+03) 2026-11-04 04:49:27 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.0 ml
Depth
35.0 km
Coordinates
53.5345, -159.9536
Data consistency
88/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
6

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

6 earthquakes

By magnitude

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

By depth

  • 0–10 km 1
  • 10–20 km 3
  • 20–40 km 2
  • 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).

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
SOUTH OF ALASKA
 3.3 ml 20.0 km 04:49:26.221 Δt 1.22 sn · 3.02 km · ΔM +0.3 Original record
USGS Earthquake Hazards Program Displayed
203 km S of Sand Point, Alaska
 3.0 ml 35.0 km 04:49:27.438 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. 04.11.2026 09:52:38 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  2. 04.11.2026 09:49:19 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  3. 04.11.2026 09:44:01 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  4. 04.11.2026 09:41:57 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  5. 04.11.2026 09:40:55 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  6. 04.11.2026 09:38:49 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  7. 04.11.2026 09:36:51 · USGS · update

    depth: 20 → 35 latitude: 53.548 → 53.5345 longitude: -159.914 → -159.9536 magnitude: 3.3 → 3 time: 2026-11-04T04:49:26.220+00:00 → 2026-11-04T04:49:27.438+00:00 location: 202 km S of Sand Point, Alaska → 203 km S of Sand Point, Alaska

  8. 04.11.2026 09:36:51 · SISTEM · recompute

    depth: 20 → 35 latitude: 53.548 → 53.5345 longitude: -159.914 → -159.9536 magnitude: 3.3 → 3 time: 2026-11-04T04:49:26.220Z → 2026-11-04 04:49:27.438+00:00

  9. 04.11.2026 09:36:48 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  10. 04.11.2026 09:30:35 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  11. 04.11.2026 09:24:13 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  12. 04.11.2026 09:23:14 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  13. 04.11.2026 09:21:01 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  14. 04.11.2026 09:20:00 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  15. 04.11.2026 09:17:53 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  16. 04.11.2026 09:16:50 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  17. 04.11.2026 09:15:49 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  18. 04.11.2026 09:10:34 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  19. 04.11.2026 09:09:24 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  20. 04.11.2026 09:06:16 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  21. 04.11.2026 09:03:00 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  22. 04.11.2026 08:59:55 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  23. 04.11.2026 08:57:48 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  24. 04.11.2026 08:56:44 · EMSC · update

    time: 2026-11-04T04:49:26.221+00:00 → 2026-11-04T04:49:26.220+00:00

  25. 04.11.2026 08:52:35 · SISTEM · recompute

    time: 2026-11-04T04:49:26.221Z → 2026-11-04 04:49:26.220+00:00 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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