11 km NNE of Atka, Alaska
24 October 2026, 08:57:31 (+03) 2026-10-24 05:57:31 UTC
- Magnitude
- 3.5 ml
- Depth
- 206.3 km
- Coordinates
- 52.2944, -174.1628
- Data consistency
- 75/100
Regional activity (100 km)
- Last 24 hours
- 0
- Last 7 days
- 0
- Last 30 days
- 16
Approximate energy released
≈ 2.7 t TNT
1.12e+10 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
18 earthquakes
By magnitude
- M0 0
- M1 0
- M2 12
- M3 6
- M4 0
- M5 0
- M6 0
- M7 0
- M8+ 0
By depth
- 0–10 km 4
- 10–20 km 0
- 20–40 km 1
- 40–70 km 4
- 70–150 km 5
- 150+ km 4
Largest previous earthquakes within 100 km
Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).
- M3,5 ANDREANOF ISLANDS, ALEUTIAN IS. 14.10.2026 · 19 km
- M3,1 68 km E of Atka, Alaska 20.10.2026 · 68 km
- M3,0 84 km ESE of Atka, Alaska 15.10.2026 · 86 km
- M2,9 72 km S of Atka, Alaska 17.10.2026 · 83 km
- M2,8 29 km WNW of Atka, Alaska 24.10.2026 · 29 km
- M2,7 44 km NNW of Atka, Alaska 20.09.2026 · 38 km
- M2,6 65 km ESE of Atka, Alaska 21.10.2026 · 67 km
- M2,6 73 km SW of Atka, Alaska 08.10.2026 · 82 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
ANDREANOF ISLANDS, ALEUTIAN IS.
|
2.7 ml | 206.3 km | 05:57:31.819 | Δt 0 sn · 0 km · ΔM -0.8 | Original record |
|
USGS Earthquake Hazards Program
Displayed
11 km NNE of Atka, Alaska
|
3.5 ml | 206.3 km | 05:57:31.819 | 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
-
25.10.2026 08:19:55 · USGS · update
depth: 215.4 → 206.26 latitude: 52.171 → 52.2944 longitude: -174.106 → -174.1628 magnitude: 2.7 → 3.5 time: 2026-10-24T05:57:30.805+00:00 → 2026-10-24T05:57:31.819+00:00 location: 7 km ESE of Atka, Alaska → 11 km NNE of Atka, Alaska
-
25.10.2026 08:19:55 · SISTEM · recompute
depth: 215.4 → 206.26 latitude: 52.171 → 52.2944 longitude: -174.106 → -174.1628 magnitude: 2.7 → 3.5 time: 2026-10-24T05:57:30.805Z → 2026-10-24 05:57:31.819+00:00
-
25.10.2026 08:19:54 · SISTEM · recompute
source count: 1 → 2 confirming sources: usgs → emsc,usgs
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