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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

52 km NNW of Karluk, Alaska

6 November 2026, 09:30:13 (+03) 2026-11-06 06:30:13 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.1 ml
Depth
90.2 km
Coordinates
57.9670, -154.9260
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
4
Last 30 days
16

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

22 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 15
  • M3 7
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 3
  • 10–20 km 0
  • 20–40 km 2
  • 40–70 km 9
  • 70–150 km 5
  • 150+ km 3

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
KODIAK ISLAND REGION, ALASKA
 3.0 ml 89.4 km 06:30:13.228 Δt 0.03 sn · 4.1 km · ΔM -0.1 Original record
USGS Earthquake Hazards Program Displayed
52 km NNW of Karluk, Alaska
 3.1 ml 90.2 km 06:30:13.260 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. 11.11.2026 01:56:48 · USGS · update

    depth: 90.4 → 90.2 longitude: -154.924 → -154.926 magnitude: 3 → 3.1 time: 2026-11-06T06:30:13.250+00:00 → 2026-11-06T06:30:13.260+00:00 review status: automatic → reviewed

  2. 11.11.2026 01:56:48 · SISTEM · recompute

    depth: 89.4 → 90.2 latitude: 57.9979 → 57.967 longitude: -154.9638 → -154.926 magnitude: 3 → 3.1 time: 2026-11-06T06:30:13.228Z → 2026-11-06 06:30:13.260+00:00 review status: automatic → reviewed preferred source: 3 → 4

  3. 06.11.2026 09:50:15 · EMSC · update

    depth: 90.4 → 89.4 latitude: 57.967 → 57.9979 longitude: -154.924 → -154.9638 time: 2026-11-06T06:30:13.251+00:00 → 2026-11-06T06:30:13.228+00:00

  4. 06.11.2026 09:50:15 · SISTEM · recompute

    depth: 90.4 → 89.4 latitude: 57.967 → 57.9979 longitude: -154.924 → -154.9638 time: 2026-11-06T06:30:13.251Z → 2026-11-06 06:30:13.228+00:00

  5. 06.11.2026 09:48:12 · EMSC · update

    time: 2026-11-06T06:30:13.251+00:00 → 2026-11-06T06:30:13.250+00:00

  6. 06.11.2026 09:47:07 · EMSC · update

    time: 2026-11-06T06:30:13.251+00:00 → 2026-11-06T06:30:13.250+00:00

  7. 06.11.2026 09:44:03 · EMSC · update

    time: 2026-11-06T06:30:13.251+00:00 → 2026-11-06T06:30:13.250+00:00

  8. 06.11.2026 09:41:57 · EMSC · update

    time: 2026-11-06T06:30:13.251+00:00 → 2026-11-06T06:30:13.250+00:00

  9. 06.11.2026 09:39:46 · EMSC · update

    time: 2026-11-06T06:30:13.251+00:00 → 2026-11-06T06:30:13.250+00:00

  10. 06.11.2026 09:38:46 · EMSC · update

    time: 2026-11-06T06:30:13.251+00:00 → 2026-11-06T06:30:13.250+00:00

  11. 06.11.2026 09:36:41 · EMSC · update

    time: 2026-11-06T06:30:13.251+00:00 → 2026-11-06T06:30:13.250+00:00

  12. 06.11.2026 09:35:39 · USGS · update

    magnitude: 2.8 → 3

  13. 06.11.2026 09:35:37 · SISTEM · recompute

    magnitude: 2.8 → 3 time: 2026-11-06T06:30:13.250Z → 2026-11-06 06:30:13.251+00:00 source count: 1 → 2 confirming sources: usgs → emsc,usgs preferred source: 4 → 3

  14. 06.11.2026 09:34:36 · USGS · update

    depth: 90 → 90.4 latitude: 57.964 → 57.967 longitude: -154.921 → -154.924 magnitude: 2.6 → 2.8 time: 2026-11-06T06:30:13.275+00:00 → 2026-11-06T06:30:13.250+00:00

  15. 06.11.2026 09:34:36 · SISTEM · recompute

    depth: 90 → 90.4 latitude: 57.964 → 57.967 longitude: -154.921 → -154.924 magnitude: 2.6 → 2.8 time: 2026-11-06T06:30:13.275Z → 2026-11-06 06:30:13.250+00:00

  16. 06.11.2026 09:33:36 · USGS · update

    depth: 89.3 → 90 latitude: 57.962 → 57.964 longitude: -154.96 → -154.921 time: 2026-11-06T06:30:13.417+00:00 → 2026-11-06T06:30:13.275+00:00 location: 53 km NW of Karluk, Alaska → 52 km NNW of Karluk, Alaska

  17. 06.11.2026 09:33:36 · SISTEM · recompute

    depth: 89.3 → 90 latitude: 57.962 → 57.964 longitude: -154.96 → -154.921 time: 2026-11-06T06:30:13.417Z → 2026-11-06 06:30:13.275+00:00

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