139 km S of Unalaska, Alaska
21 October 2026, 16:38:00 (+03) 2026-10-21 13:38:00 UTC
- Magnitude
- 2.5 ml
- Depth
- 2.6 km
- Coordinates
- 52.6200, -166.5300
- Data consistency
- 58/100
Regional activity (100 km)
- Last 24 hours
- 0
- Last 7 days
- 2
- Last 30 days
- 20
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
21 earthquakes
By magnitude
- M0 0
- M1 0
- M2 16
- M3 5
- M4 0
- M5 0
- M6 0
- M7 0
- M8+ 0
By depth
- 0–10 km 6
- 10–20 km 7
- 20–40 km 5
- 40–70 km 3
- 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).
- M3,8 86 km SSW of Unalaska, Alaska 18.10.2026 · 67 km
- M3,5 119 km ESE of Nikolski, Alaska 24.09.2026 · 60 km
- M3,1 173 km SE of Nikolski, Alaska 16.10.2026 · 82 km
- M2,8 154 km ESE of Nikolski, Alaska 16.10.2026 · 32 km
- M2,5 94 km SE of Unalaska, Alaska 21.10.2026 · 97 km
- M2,5 77 km SE of Unalaska, Alaska 19.10.2026 · 90 km
- M2,5 124 km SE of Unalaska, Alaska 18.10.2026 · 91 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 |
|---|---|---|---|---|---|
|
USGS Earthquake Hazards Program
Displayed
139 km S of Unalaska, Alaska
|
2.5 ml | 2.6 km | 13:38:00.917 | Δt 0 sn · 0 km · ΔM 0 | Original record |
This value summarises agreement between sources; it is not a measure of scientific accuracy. U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government)
Revision history
No revisions.
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