Skip to content
You are offline: the data shown may be out of date.

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.

Back to map
4.6

147 km SSE of False Pass, Alaska

6 November 2026, 02:04:57 (+03) 2026-11-05 23:04:57 UTC

3 sources: EMSC, USGS, GFZ mb
Did you feel this earthquake?
Magnitude
4.6 mb
Depth
16.1 km
Coordinates
53.5527, -162.9503
Data consistency
95/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
29
Last 30 days
55

Approximate energy released

≈ 120 t TNT

5.01e+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?

Your report adds to a community map of where and how this earthquake was felt. It takes less than a minute.

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): 2,4 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

57 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 31
  • M3 17
  • M4 5
  • M5 4
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 16
  • 10–20 km 28
  • 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
 4.6 mb 20.0 km 23:04:57.820 Δt 0.43 sn · 7.49 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
147 km SSE of False Pass, Alaska
 4.6 mb 16.1 km 23:04:57.395 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
South of Alaska
 4.9 mb 39.2 km 23:05:01.360 Δt 3.97 sn · 9.24 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 11:20:08 · EMSC · update

    depth: 27.4 → 20 latitude: 53.552 → 53.5717 longitude: -162.792 → -162.8419 time: 2026-11-05T23:04:58.923+00:00 → 2026-11-05T23:04:57.820+00:00

  2. 06.11.2026 02:31:11 · EMSC · update

    depth: 16.1 → 27.4 latitude: 53.5527 → 53.552 longitude: -162.9503 → -162.792 time: 2026-11-05T23:04:57.395+00:00 → 2026-11-05T23:04:58.923+00:00

  3. 06.11.2026 02:23:57 · SISTEM · recompute

    depth: 16.1 → 16.13 source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  4. 06.11.2026 02:23:55 · SISTEM · recompute

    depth: 39.2 → 16.1 latitude: 53.627 → 53.5527 longitude: -162.888 → -162.9503 magnitude: 4.9 → 4.6 time: 2026-11-05T23:05:01.360Z → 2026-11-05 23:04:57.395+00:00 source count: 1 → 2 confirming sources: gfz → emsc,gfz preferred source: 5 → 3

This platform is provided for information and data visualisation purposes. Follow the announcements of the competent authorities for official emergency warnings.