Earthquake 28 km N of Old Harbor, Alaska (3.1 ml) (2025-08-31 16:05:16 UTC)
A 3.1 magnitude earthquake struck on 28 km N of Old Harbor, Alaska, at 2025-08-31 16:05:16 UTC. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of ml and was felt in surrounding areas. Stay updated on earthquake activity in 28 km N of Old Harbor, Alaska
Recommendation
Moderate Earthquake
Moderate Earthquake
Action
Noticeable shaking, items may rattle, but typically little to no damage.
Suggestion
Indoors: Drop, Cover, and Hold On under a sturdy piece of furniture. Move away from windows or heavy objects that might fall. Outdoors: Move to an open area away from buildings, trees, and power lines.
Magnitudo (ml)
3.1
Automatic
USGS
Summary
- Intensity: 0
- Tsunami: 0
- ID: usgs_ak025b655dj4
Nearest Places
- Koniag Glacier / 9.36 km
- Koniag Peak / 11.55 km
- Kodiak Island / 12.48 km
- Kodiak Island Borough / 14.04 km
- Mount Glottof / 15.51 km
Comment
Latest Earthquake
4.3
PHILIPPINE ISLANDS REGION
Time:
Depth: 10.00 km
Source: EMSC (Automatic)
Time:
Depth: 10.00 km
Source: EMSC (Automatic)
3.4
AZORES ISLANDS, PORTUGAL
Time:
Depth: 14.70 km
Source: EMSC (Automatic)
Time:
Depth: 14.70 km
Source: EMSC (Automatic)
2.5
3 km ESE of Nikiski, Alaska
Time:
Depth: 43.50 km
Source: USGS (Automatic)
Time:
Depth: 43.50 km
Source: USGS (Automatic)
2.5
KENAI PENINSULA, ALASKA
Time:
Depth: 71.30 km
Source: EMSC (Automatic)
Time:
Depth: 71.30 km
Source: EMSC (Automatic)
2.0
SOUTHERN TEXAS
Time:
Depth: 6.80 km
Source: EMSC (Automatic)
Time:
Depth: 6.80 km
Source: EMSC (Automatic)
Nearest Earthquake
1.9
8 km ESE of Old Harbor, Alaska
Time:
Depth: 77.50 km
Source: USGS (Automatic)
Time:
Depth: 77.50 km
Source: USGS (Automatic)
1.8
26 km SE of Old Harbor, Alaska
Time:
Depth: 41.10 km
Source: USGS (Automatic)
Time:
Depth: 41.10 km
Source: USGS (Automatic)