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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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3.0

101 km S of Sand Point, Alaska

31 October 2026, 03:04:38 (+03) 2026-10-31 00:04:38 UTC

2 sources: EMSC, USGS ml
Magnitude
3.0 ml
Depth
5.0 km
Coordinates
54.4300, -160.3794
Data consistency
88/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
2
Last 30 days
26

Approximate energy released

≈ 0.5 t TNT

2.00e+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

30 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 21
  • M3 6
  • M4 1
  • M5 2
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 16
  • 10–20 km 5
  • 20–40 km 5
  • 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

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
ALASKA PENINSULA
2.7 ml 5.0 km 00:04:38.911 Δt 0 sn · 0 km · ΔM -0.3 Original record
USGS Earthquake Hazards Program Displayed
101 km S of Sand Point, Alaska
3.0 ml 5.0 km 00:04:38.911 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 03:44:43 · SISTEM · recompute

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

  2. 01.11.2026 03:23:06 · USGS · update

    depth: 5.6 → 5 latitude: 54.49 → 54.43 longitude: -160.259 → -160.3794 magnitude: 2.7 → 3 time: 2026-10-31T00:04:39.581+00:00 → 2026-10-31T00:04:38.911+00:00 location: 95 km S of Sand Point, Alaska → 101 km S of Sand Point, Alaska

  3. 01.11.2026 03:23:06 · SISTEM · recompute

    depth: 5.6 → 5 latitude: 54.49 → 54.43 longitude: -160.259 → -160.3794 magnitude: 2.7 → 3 time: 2026-10-31T00:04:39.581Z → 2026-10-31 00:04:38.911+00:00

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