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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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4.7

139 km SSE of False Pass, Alaska

6 November 2026, 05:35:25 (+03) 2026-11-06 02:35:25 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
4.7 mb
Depth
28.0 km
Coordinates
53.6347, -162.9502
Data consistency
94/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
25
Last 30 days
52

Approximate energy released

≈ 169 t TNT

7.08e+11 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): 2,6 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

53 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 30
  • M3 15
  • M4 5
  • M5 3
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 15
  • 10–20 km 25
  • 20–40 km 13
  • 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
 4.7 mb 20.0 km 02:35:24.380 Δt 1.25 sn · 6.52 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
139 km SSE of False Pass, Alaska
 4.7 mb 28.0 km 02:35:25.631 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
South of Alaska
 5.0 mb 10.0 km 02:35:23.760 Δt 1.87 sn · 11.41 km · ΔM +0.3 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) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 06.11.2026 11:22:16 · EMSC · update

    depth: 21.3 → 20 latitude: 53.573 → 53.6212 longitude: -162.775 → -162.8543 time: 2026-11-06T02:35:24.504+00:00 → 2026-11-06T02:35:24.380+00:00

  2. 06.11.2026 07:13:01 · EMSC · update

    depth: 28 → 21.3 latitude: 53.6347 → 53.573 longitude: -162.9502 → -162.775 time: 2026-11-06T02:35:25.631+00:00 → 2026-11-06T02:35:24.504+00:00

  3. 06.11.2026 05:53:31 · SISTEM · recompute

    source count: 2 → 3 confirming sources: emsc,usgs → emsc,usgs,gfz

  4. 06.11.2026 05:45:53 · SISTEM · recompute

    depth: 28 → 27.96 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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