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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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2.8

78 km N of Chickaloon, Alaska

6 November 2026, 01:33:58 (+03) 2026-11-05 22:33:58 UTC

2 sources: EMSC, USGS ml
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Magnitude
2.8 ml
Depth
48.9 km
Coordinates
62.4920, -148.2380
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
3
Last 30 days
11

Approximate energy released

≈ 0.2 t TNT

1.00e+9 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

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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

15 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 9
  • M3 5
  • M4 1
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 2
  • 10–20 km 1
  • 20–40 km 8
  • 40–70 km 3
  • 70–150 km 1
  • 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
CENTRAL ALASKA
 2.7 ml 45.6 km 22:33:58.233 Δt 0.26 sn · 1.56 km · ΔM -0.1 Original record
USGS Earthquake Hazards Program Displayed
78 km N of Chickaloon, Alaska
 2.8 ml 48.9 km 22:33:58.490 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. 10.11.2026 05:41:57 · USGS · update

    depth: 48.2 → 48.9 latitude: 62.49 → 62.492 longitude: -148.233 → -148.238 magnitude: 2.7 → 2.8 time: 2026-11-05T22:33:58.466+00:00 → 2026-11-05T22:33:58.490+00:00 review status: automatic → reviewed

  2. 10.11.2026 05:41:57 · SISTEM · recompute

    depth: 45.6 → 48.9 latitude: 62.478 → 62.492 longitude: -148.2363 → -148.238 magnitude: 2.7 → 2.8 time: 2026-11-05T22:33:58.233Z → 2026-11-05 22:33:58.490+00:00 review status: automatic → reviewed preferred source: 3 → 4

  3. 06.11.2026 02:07:09 · SISTEM · recompute

    depth: 48.2 → 45.6 latitude: 62.49 → 62.478 longitude: -148.233 → -148.2363 time: 2026-11-05T22:33:58.466Z → 2026-11-05 22:33:58.233+00:00 source count: 1 → 2 confirming sources: usgs → emsc,usgs preferred source: 4 → 3

  4. 06.11.2026 01:38:05 · USGS · update

    magnitude: 2.6 → 2.7

  5. 06.11.2026 01:38:05 · SISTEM · recompute

    magnitude: 2.6 → 2.7

  6. 06.11.2026 01:36:58 · USGS · update

    magnitude: 2.7 → 2.6

  7. 06.11.2026 01:36:58 · SISTEM · recompute

    magnitude: 2.7 → 2.6

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