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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

80 km SSE of Akutan, Alaska

31 October 2026, 11:10:00 (+03) 2026-10-31 08:10:00 UTC

2 sources: EMSC, USGS ml
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Magnitude
2.8 ml
Depth
35.0 km
Coordinates
53.5173, -165.1492
Data consistency
87/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
7
Last 30 days
48

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

48 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 31
  • M3 11
  • M4 5
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 4
  • 10–20 km 14
  • 20–40 km 23
  • 40–70 km 6
  • 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

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
FOX ISLANDS, ALEUTIAN ISLANDS
 3.0 ml 10.2 km 08:09:58.188 Δt 2.1 sn · 11.73 km · ΔM +0.2 Original record
USGS Earthquake Hazards Program Displayed
80 km SSE of Akutan, Alaska
 2.8 ml 35.0 km 08:10:00.289 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. 01.11.2026 13:43:37 · USGS · update

    depth: 10.2 → 35 latitude: 53.413 → 53.5173 longitude: -165.175 → -165.1492 magnitude: 3 → 2.8 time: 2026-10-31T08:09:58.188+00:00 → 2026-10-31T08:10:00.289+00:00 location: 89 km SSE of Akutan, Alaska → 80 km SSE of Akutan, Alaska

  2. 01.11.2026 13:43:37 · SISTEM · recompute

    depth: 10.2 → 35 latitude: 53.413 → 53.5173 longitude: -165.175 → -165.1492 magnitude: 3 → 2.8 time: 2026-10-31T08:09:58.188Z → 2026-10-31 08:10:00.289+00:00

  3. 31.10.2026 12:28:19 · SISTEM · recompute

    source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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