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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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3.2

79 km W of Karluk, Alaska

16 October 2026, 09:35:39 (+03) 2026-10-16 06:35:39 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.2 ml
Depth
5.6 km
Coordinates
57.6550, -155.7820
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
5
Last 30 days
19

Approximate energy released

≈ 1 t TNT

3.98e+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

23 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 15
  • M3 8
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 5
  • 10–20 km 0
  • 20–40 km 2
  • 40–70 km 6
  • 70–150 km 7
  • 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
ALASKA PENINSULA
 3.2 ml 9.8 km 06:35:39.853 Δt 0.01 sn · 6.05 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
79 km W of Karluk, Alaska
 3.2 ml 5.6 km 06:35:39.844 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. 20.10.2026 02:32:16 · USGS · update

    depth: 6 → 5.6 latitude: 57.664 → 57.655 longitude: -155.79 → -155.782 time: 2026-10-16T06:35:39.979+00:00 → 2026-10-16T06:35:39.844+00:00 location: 80 km W of Karluk, Alaska → 79 km W of Karluk, Alaska

  2. 20.10.2026 02:32:16 · SISTEM · recompute

    depth: 6 → 5.6 latitude: 57.664 → 57.655 longitude: -155.79 → -155.782 time: 2026-10-16T06:35:39.979Z → 2026-10-16 06:35:39.844+00:00

  3. 20.10.2026 01:35:46 · USGS · update

    depth: 3.6 → 6 latitude: 57.659 → 57.664 time: 2026-10-16T06:35:39.710+00:00 → 2026-10-16T06:35:39.979+00:00 review status: automatic → reviewed

  4. 20.10.2026 01:35:46 · SISTEM · recompute

    depth: 9.8 → 6 latitude: 57.6408 → 57.664 longitude: -155.6842 → -155.79 time: 2026-10-16T06:35:39.853Z → 2026-10-16 06:35:39.979+00:00 review status: automatic → reviewed preferred source: 3 → 4

  5. 16.10.2026 21:05:19 · SISTEM · recompute

    source count: 1 → 2 confirming sources: emsc → emsc,usgs

  6. 16.10.2026 12:52:29 · EMSC · update

    depth: 3.6 → 9.8 latitude: 57.659 → 57.6408 longitude: -155.79 → -155.6842 time: 2026-10-16T06:35:39.710+00:00 → 2026-10-16T06:35:39.853+00:00

  7. 16.10.2026 12:52:29 · SISTEM · recompute

    depth: 3.6 → 9.8 latitude: 57.659 → 57.6408 longitude: -155.79 → -155.6842 time: 2026-10-16T06:35:39.710Z → 2026-10-16 06:35:39.853+00:00

  8. 16.10.2026 09:40:29 · EMSC · update

    magnitude: 3.1 → 3.2

  9. 16.10.2026 09:40:29 · SISTEM · recompute

    magnitude: 3.1 → 3.2

  10. 16.10.2026 09:39:05 · EMSC · update

    depth: 5.1 → 3.6 latitude: 57.656 → 57.659 longitude: -155.762 → -155.79 time: 2026-10-16T06:35:39.703+00:00 → 2026-10-16T06:35:39.710+00:00

  11. 16.10.2026 09:39:05 · SISTEM · recompute

    depth: 5.1 → 3.6 latitude: 57.656 → 57.659 longitude: -155.762 → -155.79 time: 2026-10-16T06:35:39.703Z → 2026-10-16 06:35:39.710+00:00

  12. 16.10.2026 09:37:58 · EMSC · update

    depth: 5.8 → 5.1 latitude: 57.633 → 57.656 longitude: -155.727 → -155.762 time: 2026-10-16T06:35:39.320+00:00 → 2026-10-16T06:35:39.703+00:00

  13. 16.10.2026 09:37:58 · SISTEM · recompute

    depth: 5.8 → 5.1 latitude: 57.633 → 57.656 longitude: -155.727 → -155.762 time: 2026-10-16T06:35:39.320Z → 2026-10-16 06:35:39.703+00:00

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