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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

119 km SE of Ugashik, Alaska

19 October 2026, 07:51:34 (+03) 2026-10-19 04:51:34 UTC

2 sources: EMSC, USGS ml
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Magnitude
2.7 ml
Depth
14.2 km
Coordinates
56.6590, -156.1950
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
7
Last 30 days
22

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

29 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 23
  • M3 6
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 6
  • 10–20 km 3
  • 20–40 km 6
  • 40–70 km 8
  • 70–150 km 6
  • 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
ALASKA PENINSULA
 2.7 ml 19.3 km 04:51:34.926 Δt 0.31 sn · 0.5 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
119 km SE of Ugashik, Alaska
 2.7 ml 14.2 km 04:51:34.617 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. 22.10.2026 02:09:07 · USGS · update

    depth: 13.1 → 14.2 latitude: 56.656 → 56.659 longitude: -156.187 → -156.195 time: 2026-10-19T04:51:34.510+00:00 → 2026-10-19T04:51:34.617+00:00 location: 120 km SE of Ugashik, Alaska → 119 km SE of Ugashik, Alaska review status: automatic → reviewed

  2. 22.10.2026 02:09:07 · SISTEM · recompute

    depth: 19.3 → 14.2 latitude: 56.6631 → 56.659 longitude: -156.1985 → -156.195 time: 2026-10-19T04:51:34.926Z → 2026-10-19 04:51:34.617+00:00 review status: automatic → reviewed preferred source: 3 → 4

  3. 20.10.2026 05:41:37 · SISTEM · recompute

    depth: 13.1 → 19.3 latitude: 56.656 → 56.6631 longitude: -156.187 → -156.1985 time: 2026-10-19T04:51:34.510Z → 2026-10-19 04:51:34.926+00:00 source count: 1 → 2 confirming sources: usgs → emsc,usgs preferred source: 4 → 3

  4. 19.10.2026 07:55:32 · USGS · update

    depth: 13 → 13.1 latitude: 56.659 → 56.656 longitude: -156.196 → -156.187 time: 2026-10-19T04:51:34.489+00:00 → 2026-10-19T04:51:34.510+00:00 location: 119 km SE of Ugashik, Alaska → 120 km SE of Ugashik, Alaska

  5. 19.10.2026 07:55:32 · SISTEM · recompute

    depth: 13 → 13.1 latitude: 56.659 → 56.656 longitude: -156.196 → -156.187 time: 2026-10-19T04:51:34.489Z → 2026-10-19 04:51:34.510+00:00

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