123 km SSE of Unalaska, Alaska
27 October 2026, 13:44:18 (+03) 2026-10-27 10:44:18 UTC
- Magnitude
- 2.5 ml
- Depth
- 10.0 km
- Coordinates
- 52.9516, -165.5056
- Data consistency
- 90/100
Regional activity (100 km)
- Last 24 hours
- 0
- Last 7 days
- 6
- Last 30 days
- 46
Approximate energy released
≈ 0.1 t TNT
3.55e+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
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- Community intensity
- Typical duration
- Farthest report
- felt it
Estimated, close to the MMI scale
Intensity distribution
Provinces with reports
Reported effects
Squares on the map show community reports (~11 km grid; colour = estimated intensity).
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
46 earthquakes
By magnitude
- M0 0
- M1 0
- M2 30
- M3 9
- M4 6
- M5 1
- M6 0
- M7 0
- M8+ 0
By depth
- 0–10 km 5
- 10–20 km 11
- 20–40 km 24
- 40–70 km 6
- 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).
- M5,1 Fox Islands, Aleutian Islands 24.10.2026 · 91 km
- M4,6 81 km SSE of Akutan, Alaska 26.10.2026 · 67 km
- M4,6 FOX ISLANDS, ALEUTIAN ISLANDS 25.10.2026 · 74 km
- M4,6 82 km SSE of Akutan, Alaska 25.10.2026 · 65 km
- M4,5 81 km SSE of Akutan, Alaska 24.10.2026 · 69 km
- M4,3 81 km SSE of Akutan, Alaska 25.10.2026 · 64 km
- M3,6 81 km SE of Unalaska, Alaska 19.10.2026 · 46 km
- M3,3 92 km SE of Akutan, Alaska 26.10.2026 · 68 km
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
SOUTH OF ALEUTIAN ISLANDS
|
2.7 ml | 10.0 km | 10:44:18.727 | Δt 0 sn · 0 km · ΔM +0.2 | Original record |
|
USGS Earthquake Hazards Program
Displayed
123 km SSE of Unalaska, Alaska
|
2.5 ml | 10.0 km | 10:44:18.727 | 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
-
28.10.2026 13:41:23 · USGS · update
depth: 0 → 10 latitude: 52.902 → 52.9516 longitude: -165.535 → -165.5056 magnitude: 2.7 → 2.5 time: 2026-10-27T10:44:17.912+00:00 → 2026-10-27T10:44:18.727+00:00 location: 126 km SSE of Unalaska, Alaska → 123 km SSE of Unalaska, Alaska
-
28.10.2026 13:41:23 · SISTEM · recompute
depth: 0 → 10 latitude: 52.902 → 52.9516 longitude: -165.535 → -165.5056 magnitude: 2.7 → 2.5 time: 2026-10-27T10:44:17.912Z → 2026-10-27 10:44:18.727+00:00
-
28.10.2026 13:41:22 · SISTEM · recompute
source count: 1 → 2 confirming sources: usgs → emsc,usgs
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