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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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3.6

41 km NNE of Beaver, Alaska

15 October 2026, 22:46:42 (+03) 2026-10-15 19:46:42 UTC

2 sources: EMSC, USGS ml
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Magnitude
3.6 ml
Depth
5.0 km
Coordinates
66.6730, -146.8940
Data consistency
89/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
2

Approximate energy released

≈ 3.8 t TNT

1.58e+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?

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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 Maximum intensity (MMI): 4,1 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

2 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 1
  • M3 1
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

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

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
NORTHERN ALASKA
 3.6 ml 14.3 km 19:46:42.331 Δt 0.02 sn · 8.18 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
41 km NNE of Beaver, Alaska
 3.6 ml 5.0 km 19:46:42.353 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. 16.10.2026 21:05:21 · SISTEM · recompute

    depth: 14.3 → 5 latitude: 66.6036 → 66.673 longitude: -146.8344 → -146.894 time: 2026-10-15T19:46:42.331Z → 2026-10-15 19:46:42.353+00:00 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  2. 15.10.2026 23:47:53 · EMSC · update

    depth: 1.1 → 14.3 latitude: 66.664 → 66.6036 longitude: -146.915 → -146.8344 time: 2026-10-15T19:46:41.894+00:00 → 2026-10-15T19:46:42.331+00:00

  3. 15.10.2026 23:47:53 · SISTEM · recompute

    depth: 1.1 → 14.3 latitude: 66.664 → 66.6036 longitude: -146.915 → -146.8344 time: 2026-10-15T19:46:41.894Z → 2026-10-15 19:46:42.331+00:00

  4. 15.10.2026 22:53:26 · EMSC · update

    longitude: -146.916 → -146.915 time: 2026-10-15T19:46:41.896+00:00 → 2026-10-15T19:46:41.894+00:00

  5. 15.10.2026 22:53:26 · SISTEM · recompute

    longitude: -146.916 → -146.915 time: 2026-10-15T19:46:41.896Z → 2026-10-15 19:46:41.894+00:00

  6. 15.10.2026 22:52:22 · EMSC · update

    time: 2026-10-15T19:46:41.896+00:00 → 2026-10-15T19:46:41.895+00:00

  7. 15.10.2026 22:51:21 · EMSC · update

    depth: 0.1 → 1.1 longitude: -146.888 → -146.916 time: 2026-10-15T19:46:41.771+00:00 → 2026-10-15T19:46:41.895+00:00

  8. 15.10.2026 22:51:21 · SISTEM · recompute

    depth: 0.1 → 1.1 longitude: -146.888 → -146.916 time: 2026-10-15T19:46:41.771Z → 2026-10-15 19:46:41.896+00:00

  9. 15.10.2026 22:50:20 · EMSC · update

    depth: 6.7 → 0.1 latitude: 66.655 → 66.664 longitude: -146.882 → -146.888 time: 2026-10-15T19:46:42.308+00:00 → 2026-10-15T19:46:41.771+00:00

  10. 15.10.2026 22:50:20 · SISTEM · recompute

    depth: 6.7 → 0.1 latitude: 66.655 → 66.664 longitude: -146.882 → -146.888 time: 2026-10-15T19:46:42.308Z → 2026-10-15 19:46:41.771+00:00

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