M3.4 earthquake 36 km N of Chickaloon, Alaska
A magnitude 3.4 earthquake struck 36 km N of Chickaloon, Alaska on Sat, Oct 24, 1987, 2:46 AM AKDT (10:46 UTC), 37 km (23 mi) below the surface.
A larger quake followed: M4.9 4 km ESE of Wasilla, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.4 (ml), minor
- Local time
- UTC
- 1987-10-24 10:46:16 UTC
- Depth
- 36.6 km (22.7 mi), shallow
- Epicenter
- 62.114° N, 148.592° 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: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.94 km ESE of Wasilla, Alaska · 14202 days ago · 42 km deep · 74 km away
- 3.324 km N of Sutton-Alpine, Alaska · 14177 days ago · 37 km deep · 15 km away
- 3.533 km N of Sutton-Alpine, Alaska · 14168 days ago · 36 km deep · 7 km away
- 3.513 km WNW of Nelchina, Alaska · 14165 days ago · 43 km deep · 83 km away
- 3.021 km NNW of Willow, Alaska · 14164 days ago · 10 km deep · 85 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00039jc. Read Tue, Sep 22, 2026, 8:30 AM UTC.