150 km SW of Adak, Alaska
1 November 2026, 13:56:45 (+03) 2026-11-01 10:56:45 UTC
- Magnitude
- 4.2 ml
- Depth
- 23.1 km
- Coordinates
- 51.1190, -178.4330
- Data consistency
- 58/100
Regional activity (100 km)
- Last 24 hours
- 0
- Last 7 days
- 3
- Last 30 days
- 28
Approximate energy released
≈ 30 t TNT
1.26e+11 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
34 earthquakes
By magnitude
- M0 0
- M1 0
- M2 25
- M3 7
- M4 2
- M5 0
- M6 0
- M7 0
- M8+ 0
By depth
- 0–10 km 6
- 10–20 km 15
- 20–40 km 10
- 40–70 km 2
- 70–150 km 1
- 150+ km 0
Largest previous earthquakes within 100 km
Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).
- M3,5 126 km WSW of Adak, Alaska 25.09.2026 · 28 km
- M3,3 63 km SW of Adak, Alaska 19.10.2026 · 94 km
- M3,2 63 km SW of Adak, Alaska 20.10.2026 · 94 km
- M3,1 222 km WSW of Adak, Alaska 28.10.2026 · 79 km
- M3,1 123 km WSW of Adak, Alaska 09.10.2026 · 28 km
- M3,0 76 km W of Adak, Alaska 28.10.2026 · 95 km
- M3,0 127 km WSW of Adak, Alaska 19.10.2026 · 26 km
- M2,9 242 km WSW of Adak, Alaska 12.10.2026 · 97 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
150 km SW of Adak, Alaska
|
4.2 ml | 23.1 km | 10:56:45.847 | 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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