M3.5 earthquake 1 km N of Knik, Alaska
A magnitude 3.5 earthquake struck 1 km N of Knik, Alaska on Wed, Nov 20, 1985, 2:38 AM AKST (11:38 UTC), 40 km (25 mi) below the surface.
A larger quake followed: M5.5 9 km E of Susitna, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.5 (ml), minor
- Local time
- UTC
- 1985-11-20 11:38:14 UTC
- Depth
- 40.4 km (25.1 mi), shallow
- Epicenter
- 61.472° N, 149.734° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 3.526 km SE of Chickaloon, Alaska · 14897 days ago · 25 km deep · 84 km away
- 5.59 km E of Susitna, Alaska · 14884 days ago · 62 km deep · 33 km away
- 3.09 km NNE of Meadow Lakes, Alaska · 14864 days ago · 40 km deep · 28 km away
Before
- 3.411 km S of Trapper Creek, Alaska · 14924 days ago · 11 km deep · 87 km away
- 3.68 km S of Willow, Alaska · 14929 days ago · 7 km deep · 27 km away
- 3.713 km E of Talkeetna, Alaska · 14938 days ago · 19 km deep · 93 km away
- 3.710 km WSW of Trapper Creek, Alaska · 14952 days ago · 10 km deep · 96 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002mzb. Read Wed, Sep 30, 2026, 5:09 AM UTC.