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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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2.6

63 km W of Happy Valley, Alaska

15 October 2026, 22:35:47 (+03) 2026-10-15 19:35:47 UTC

2 sources: EMSC, USGS ml
Magnitude
2.6 ml
Depth
110.9 km
Coordinates
60.0160, -152.8640
Data consistency
89/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
11
Last 30 days
45

Approximate energy released

≈ 0.1 t TNT

5.01e+8 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

60 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 52
  • M3 8
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 0
  • 40–70 km 7
  • 70–150 km 51
  • 150+ km 2

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
SOUTHERN ALASKA
2.7 ml 115.5 km 19:35:46.133 Δt 1.12 sn · 7.97 km · ΔM +0.1 Original record
USGS Earthquake Hazards Program Displayed
63 km W of Happy Valley, Alaska
2.6 ml 110.9 km 19:35:47.255 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 22:45:47 · USGS · update

    depth: 111.7 → 110.9 latitude: 60.018 → 60.016 longitude: -152.84 → -152.864 magnitude: 2.7 → 2.6 time: 2026-10-15T19:35:47.176+00:00 → 2026-10-15T19:35:47.255+00:00 location: 62 km W of Happy Valley, Alaska → 63 km W of Happy Valley, Alaska review status: automatic → reviewed

  2. 19.10.2026 22:45:47 · SISTEM · recompute

    depth: 115.5 → 110.9 latitude: 59.9533 → 60.016 longitude: -152.7951 → -152.864 magnitude: 2.7 → 2.6 time: 2026-10-15T19:35:46.133Z → 2026-10-15 19:35:47.255+00:00 review status: automatic → reviewed preferred source: 3 → 4

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

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

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