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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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2.7

CENTRAL ALASKA

11 October 2026, 13:43:04 (+03) 2026-10-11 10:43:04 UTC

2 sources: EMSC, USGS ml
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Magnitude
2.7 ml
Depth
113.4 km
Coordinates
62.1589, -152.0730
Data consistency
85/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
4
Last 30 days
14

Approximate energy released

≈ 0.2 t TNT

7.08e+8 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

20 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 14
  • M3 6
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 2
  • 10–20 km 1
  • 20–40 km 0
  • 40–70 km 3
  • 70–150 km 14
  • 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
CENTRAL ALASKA
 2.7 ml 113.4 km 10:43:04.278 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program
37 km WNW of Skwentna, Alaska
 2.7 ml 109.4 km 10:43:05.019 Δt 0.74 sn · 2.13 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. 11.10.2026 13:53:36 · SISTEM · recompute

    depth: 109.4 → 113.4 latitude: 62.147 → 62.1589 longitude: -152.041 → -152.073 time: 2026-10-11T10:43:05.019Z → 2026-10-11 10:43:04.278+00:00 source count: 1 → 2 confirming sources: usgs → emsc,usgs preferred source: 4 → 3

  2. 11.10.2026 13:47:30 · USGS · update

    depth: 108.5 → 109.4 latitude: 62.156 → 62.147 longitude: -152.061 → -152.041 magnitude: 2.6 → 2.7 time: 2026-10-11T10:43:05.031+00:00 → 2026-10-11T10:43:05.019+00:00 location: 39 km WNW of Skwentna, Alaska → 37 km WNW of Skwentna, Alaska

  3. 11.10.2026 13:47:30 · SISTEM · recompute

    depth: 108.5 → 109.4 latitude: 62.156 → 62.147 longitude: -152.061 → -152.041 magnitude: 2.6 → 2.7 time: 2026-10-11T10:43:05.031Z → 2026-10-11 10:43:05.019+00:00

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