Earthquake 125 km SW of Adak, Alaska (5.5 mww) (2025-09-21 09:30:27 UTC)
A 5.5 magnitude earthquake struck on 125 km SW of Adak, Alaska, at 2025-09-21 09:30:27 UTC. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of mww and was felt in surrounding areas. Stay updated on earthquake activity in 125 km SW 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 (mww)
5.5
Confirmed
USGS
Summary
- Intensity: 0
- Tsunami: 0
- ID: usgs_us7000qxp1
Nearest Places
- Kanaga Canyon / 6.79 km
- Ilak Island / 32.09 km
- Aleutian Ridge / 32.45 km
- Uchixsax / 32.76 km
- Gramp Rock / 34.74 km
Comment
Latest Earthquake
1.7
5 km WSW of Yountville, CA
Time:
Depth: 9.20 km
Source: USGS (Automatic)
Time:
Depth: 9.20 km
Source: USGS (Automatic)
2.4
Near North Coast of West Papua
Time:
Depth: 32.37 km
Source: BMKG (Automatic)
Time:
Depth: 32.37 km
Source: BMKG (Automatic)
2.2
32 km N of Petersville, Alaska
Time:
Depth: 86.50 km
Source: USGS (Automatic)
Time:
Depth: 86.50 km
Source: USGS (Automatic)
2.2
CENTRAL ALASKA
Time:
Depth: 95.60 km
Source: EMSC (Automatic)
Time:
Depth: 95.60 km
Source: EMSC (Automatic)
2.0
TURKEY-SYRIA BORDER REGION
Time:
Depth: 7.00 km
Source: EMSC (Automatic)
Time:
Depth: 7.00 km
Source: EMSC (Automatic)
Nearest Earthquake
5.5
118 km WSW of Adak, Alaska
Time:
Depth: 35.00 km
Source: USGS (Confirmed)
Time:
Depth: 35.00 km
Source: USGS (Confirmed)
5.5
ANDREANOF ISLANDS, ALEUTIAN IS.
Time:
Depth: 24.70 km
Source: EMSC (Automatic)
Time:
Depth: 24.70 km
Source: EMSC (Automatic)
5.6
123 km SW of Adak, Alaska
Time:
Depth: 19.80 km
Source: USGS (Confirmed)
Time:
Depth: 19.80 km
Source: USGS (Confirmed)