Earthquake 264 km W of Adak, Alaska (5.5 mb) (2025-08-29 09:14:25 UTC)
A 5.5 magnitude earthquake struck on 264 km W of Adak, Alaska, at 2025-08-29 09:14:25 UTC. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of mb and was felt in surrounding areas. Stay updated on earthquake activity in 264 km W of Adak, Alaska
Recommendation
Very Strong Earthquake
Very Strong Earthquake
Action
Severe shaking, potential for significant damage.
Suggestion
Indoors: Drop, Cover, and Hold On. Avoid elevators, as power outages may occur. Outdoors: Stay in the open. Be alert for aftershocks.
Magnitudo (mb)
5.5
Confirmed
USGS
Summary
- Intensity: 0
- Tsunami: 0
- ID: usgs_us7000qru7
Nearest Places
- Oglala Canyon / 12.33 km
- Amchitka Spur / 19.8 km
- Constantine Valley / 20.64 km
- Constantine Harbor Sea Buoy (historical) / 26.4 km
- Sugarloaf Head / 26.93 km
Comment
Latest Earthquake
1.5
WESTERN TURKEY
Time:
Depth: 27.50 km
Source: EMSC (Automatic)
Time:
Depth: 27.50 km
Source: EMSC (Automatic)
3.0
LUZON, PHILIPPINES
Time:
Depth: 20.00 km
Source: EMSC (Automatic)
Time:
Depth: 20.00 km
Source: EMSC (Automatic)
2.2
WESTERN TURKEY
Time:
Depth: 9.70 km
Source: EMSC (Automatic)
Time:
Depth: 9.70 km
Source: EMSC (Automatic)
3.5
SULAWESI, INDONESIA
Time:
Depth: 10.00 km
Source: EMSC (Automatic)
Time:
Depth: 10.00 km
Source: EMSC (Automatic)
3.5
Sulawesi, Indonesia
Time:
Depth: 10.00 km
Source: BMKG (Automatic)
Time:
Depth: 10.00 km
Source: BMKG (Automatic)
Nearest Earthquake
5.0
264 km W of Adak, Alaska
Time:
Depth: 65.00 km
Source: USGS (Confirmed)
Time:
Depth: 65.00 km
Source: USGS (Confirmed)
5.3
RAT ISLANDS, ALEUTIAN ISLANDS
Time:
Depth: 80.70 km
Source: EMSC (Automatic)
Time:
Depth: 80.70 km
Source: EMSC (Automatic)
5.5
263 km W of Adak, Alaska
Time:
Depth: 77.80 km
Source: USGS (Confirmed)
Time:
Depth: 77.80 km
Source: USGS (Confirmed)