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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

KODIAK ISLAND REGION, ALASKA

11 November 2026, 22:08:18 (+03) 2026-11-11 19:08:18 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.1 ml
Depth
10.0 km
Coordinates
56.1697, -152.5296
Data consistency
85/100

Regional activity (100 km)

Last 24 hours
2
Last 7 days
2
Last 30 days
4

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

4 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 2
  • M3 2
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 1
  • 10–20 km 3
  • 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).

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 Displayed
KODIAK ISLAND REGION, ALASKA
 3.1 ml 10.0 km 19:08:18.802 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program
128 km SSE of Old Harbor, Alaska
 3.1 ml 20.1 km 19:08:19.738 Δt 0.94 sn · 4.52 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 22:33:31 · EMSC · update

    depth: 20.1 → 10 latitude: 56.136 → 56.1697 longitude: -152.489 → -152.5296 time: 2026-11-11T19:08:19.739+00:00 → 2026-11-11T19:08:18.802+00:00

  2. 11.11.2026 22:33:31 · SISTEM · recompute

    depth: 20.1 → 10 latitude: 56.136 → 56.1697 longitude: -152.489 → -152.5296 time: 2026-11-11T19:08:19.739Z → 2026-11-11 19:08:18.802+00:00

  3. 11.11.2026 22:32:31 · EMSC · update

    time: 2026-11-11T19:08:19.739+00:00 → 2026-11-11T19:08:19.738+00:00

  4. 11.11.2026 22:29:21 · EMSC · update

    time: 2026-11-11T19:08:19.739+00:00 → 2026-11-11T19:08:19.738+00:00

  5. 11.11.2026 22:28:20 · EMSC · update

    time: 2026-11-11T19:08:19.739+00:00 → 2026-11-11T19:08:19.738+00:00

  6. 11.11.2026 22:26:16 · EMSC · update

    time: 2026-11-11T19:08:19.739+00:00 → 2026-11-11T19:08:19.738+00:00

  7. 11.11.2026 22:23:16 · EMSC · update

    time: 2026-11-11T19:08:19.739+00:00 → 2026-11-11T19:08:19.738+00:00

  8. 11.11.2026 22:15:52 · EMSC · update

    time: 2026-11-11T19:08:19.739+00:00 → 2026-11-11T19:08:19.738+00:00

  9. 11.11.2026 22:13:46 · EMSC · update

    time: 2026-11-11T19:08:19.739+00:00 → 2026-11-11T19:08:19.738+00:00

  10. 11.11.2026 22:12:45 · SISTEM · recompute

    time: 2026-11-11T19:08:19.738Z → 2026-11-11 19:08:19.739+00:00 source count: 1 → 2 confirming sources: usgs → emsc,usgs preferred source: 4 → 3

  11. 11.11.2026 22:11:42 · USGS · update

    depth: 15.3 → 20.1 latitude: 56.139 → 56.136 longitude: -152.5 → -152.489 magnitude: 2.8 → 3.1 time: 2026-11-11T19:08:19.198+00:00 → 2026-11-11T19:08:19.738+00:00

  12. 11.11.2026 22:11:42 · SISTEM · recompute

    depth: 15.3 → 20.1 latitude: 56.139 → 56.136 longitude: -152.5 → -152.489 magnitude: 2.8 → 3.1 time: 2026-11-11T19:08:19.198Z → 2026-11-11 19:08:19.738+00:00

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