57 km SSW of Atka, Alaska
26 October 2026, 23:24:14 (+03) 2026-10-26 20:24:14 UTC
- Magnitude
- 3.4 ml
- Depth
- 35.0 km
- Coordinates
- 51.6889, -174.3889
- Data consistency
- 58/100
Regional activity (100 km)
- Last 24 hours
- 0
- Last 7 days
- 0
- Last 30 days
- 20
Approximate energy released
≈ 1.9 t TNT
7.94e+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
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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
23 earthquakes
By magnitude
- M0 0
- M1 0
- M2 16
- M3 7
- M4 0
- M5 0
- M6 0
- M7 0
- M8+ 0
By depth
- 0–10 km 5
- 10–20 km 1
- 20–40 km 3
- 40–70 km 4
- 70–150 km 5
- 150+ km 5
Largest previous earthquakes within 100 km
Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).
- M3,8 80 km ESE of Adak, Alaska 23.10.2026 · 83 km
- M3,5 40 km SSW of Atka, Alaska 26.10.2026 · 18 km
- M3,5 11 km NNE of Atka, Alaska 24.10.2026 · 69 km
- M3,5 ANDREANOF ISLANDS, ALEUTIAN IS. 14.10.2026 · 52 km
- M3,1 68 km E of Atka, Alaska 20.10.2026 · 96 km
- M3,0 84 km ESE of Atka, Alaska 15.10.2026 · 98 km
- M2,9 35 km S of Atka, Alaska 26.10.2026 · 23 km
- M2,9 72 km S of Atka, Alaska 17.10.2026 · 31 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
57 km SSW of Atka, Alaska
|
3.4 ml | 35.0 km | 20:24:14.623 | 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
-
30.10.2026 17:19:05 · USGS · update
depth: 13.9 → 35 latitude: 51.646 → 51.6889 longitude: -174.441 → -174.3889 magnitude: 3.3 → 3.4 time: 2026-10-26T20:24:13.361+00:00 → 2026-10-26T20:24:14.623+00:00 location: 63 km SSW of Atka, Alaska → 57 km SSW of Atka, Alaska
-
30.10.2026 17:19:05 · SISTEM · recompute
depth: 13.9 → 35 latitude: 51.646 → 51.6889 longitude: -174.441 → -174.3889 magnitude: 3.3 → 3.4 time: 2026-10-26T20:24:13.361Z → 2026-10-26 20:24:14.623+00:00
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