121 km SSW of Nikolski, Alaska
19 October 2026, 15:34:31 (+03) 2026-10-19 12:34:31 UTC
- Magnitude
- 3.1 ml
- Depth
- 21.4 km
- Coordinates
- 51.9520, -169.6110
- Data consistency
- 58/100
Regional activity (100 km)
- Last 24 hours
- 1
- Last 7 days
- 13
- Last 30 days
- 35
Approximate energy released
≈ 0.7 t TNT
2.82e+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
46 earthquakes
By magnitude
- M0 0
- M1 0
- M2 16
- M3 23
- M4 7
- M5 0
- M6 0
- M7 0
- M8+ 0
By depth
- 0–10 km 10
- 10–20 km 19
- 20–40 km 9
- 40–70 km 3
- 70–150 km 5
- 150+ km 0
Largest previous earthquakes within 100 km
Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).
- M4,7 FOX ISLANDS, ALEUTIAN ISLANDS 15.10.2026 · 3 km
- M4,4 85 km SSW of Nikolski, Alaska 27.09.2026 · 36 km
- M4,0 161 km S of Nikolski, Alaska 19.10.2026 · 95 km
- M4,0 85 km SSW of Nikolski, Alaska 19.09.2026 · 36 km
- M4,0 166 km SW of Nikolski, Alaska 19.09.2026 · 82 km
- M3,8 136 km SW of Nikolski, Alaska 25.09.2026 · 55 km
- M3,7 123 km SSW of Nikolski, Alaska 19.10.2026 · 5 km
- M3,5 158 km SW of Nikolski, Alaska 24.09.2026 · 85 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
121 km SSW of Nikolski, Alaska
|
3.1 ml | 21.4 km | 12:34:31.700 | 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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