M4.4 earthquake 63 km SW of Unalaska, Alaska
A magnitude 4.4 earthquake struck 63 km SW of Unalaska, Alaska on Sat, Jul 19, 1986, 9:32 AM AKDT (17:32 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 48 km WSW of Unalaska, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 1986-07-19 17:32:17 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.496° N, 167.248° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 9 in the 30 days before it.
After
- 4.948 km WSW of Unalaska, Alaska · 14675 days ago · 33 km deep · 19 km away
- 6.064 km SW of Unalaska, Alaska · 14675 days ago · 33 km deep · 4 km away
- 5.1Fox Islands, Aleutian Islands, Alaska · 14675 days ago · 33 km deep · 7 km away
- 4.463 km SW of Unalaska, Alaska · 14675 days ago · 33 km deep · 9 km away
- 4.350 km SSW of Unalaska, Alaska · 14674 days ago · 33 km deep · 20 km away
- 4.586 km ENE of Nikolski, Alaska · 14673 days ago · 33 km deep · 42 km away
- 4.3Fox Islands, Aleutian Islands, Alaska · 14670 days ago · 33 km deep · 37 km away
- 4.779 km SSW of Unalaska, Alaska · 14668 days ago · 33 km deep · 24 km away
- 5.0112 km S of Unalaska, Alaska · 14667 days ago · 33 km deep · 83 km away
- 4.763 km SW of Unalaska, Alaska · 14663 days ago · 33 km deep · 8 km away
- 4.662 km SW of Unalaska, Alaska · 14662 days ago · 33 km deep · 1 km away
- 4.347 km ESE of Nikolski, Alaska · 14661 days ago · 33 km deep · 100 km away
- 4.6105 km S of Unalaska, Alaska · 14658 days ago · 33 km deep · 72 km away
- 4.560 km WSW of Unalaska, Alaska · 14656 days ago · 33 km deep · 12 km away
- 4.857 km SE of Unalaska, Alaska · 14640 days ago · 33 km deep · 92 km away
- 4.560 km SW of Unalaska, Alaska · 14629 days ago · 33 km deep · 8 km away
Before
- 5.064 km WSW of Unalaska, Alaska · 14675 days ago · 33 km deep · 17 km away
- 4.257 km SW of Unalaska, Alaska · 14675 days ago · 33 km deep · 6 km away
- 4.862 km SW of Unalaska, Alaska · 14676 days ago · 33 km deep · 1 km away
- 4.563 km SW of Unalaska, Alaska · 14676 days ago · 33 km deep · 15 km away
- 6.051 km SW of Unalaska, Alaska · 14676 days ago · 33 km deep · 13 km away
- 5.274 km SE of Unalaska, Alaska · 14676 days ago · 33 km deep · 94 km away
- 5.672 km SE of Unalaska, Alaska · 14676 days ago · 33 km deep · 92 km away
- 4.458 km WSW of Unalaska, Alaska · 14676 days ago · 33 km deep · 12 km away
- 4.657 km WSW of Unalaska, Alaska · 14676 days ago · 33 km deep · 12 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002w6f. Read Tue, Sep 22, 2026, 7:45 PM UTC.