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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

59 km ENE of Lake Minchumina, Alaska

15 October 2026, 20:20:31 (+03) 2026-10-15 17:20:31 UTC

2 sources: EMSC, USGS ml
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Magnitude
2.8 ml
Depth
14.7 km
Coordinates
64.1690, -151.2750
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
1
Last 7 days
2
Last 30 days
13

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).

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

13 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 10
  • M3 1
  • M4 0
  • M5 2
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 3
  • 10–20 km 10
  • 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
CENTRAL ALASKA
 2.8 ml 17.5 km 17:20:31.289 Δt 0.34 sn · 3.55 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
59 km ENE of Lake Minchumina, Alaska
 2.8 ml 14.7 km 17:20:31.629 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. 19.10.2026 22:27:09 · USGS · update

    depth: 14 → 14.7 latitude: 64.174 → 64.169 longitude: -151.284 → -151.275 time: 2026-10-15T17:20:31.535+00:00 → 2026-10-15T17:20:31.629+00:00 review status: automatic → reviewed

  2. 19.10.2026 22:27:09 · SISTEM · recompute

    depth: 17.5 → 14.7 latitude: 64.1997 → 64.169 longitude: -151.2555 → -151.275 time: 2026-10-15T17:20:31.289Z → 2026-10-15 17:20:31.629+00:00 review status: automatic → reviewed preferred source: 3 → 4

  3. 16.10.2026 21:05:22 · SISTEM · recompute

    source count: 1 → 2 confirming sources: emsc → emsc,usgs

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