M3.8 earthquake 9 km WNW of Susitna, Alaska
A magnitude 3.8 earthquake struck 9 km WNW of Susitna, Alaska on Tue, Mar 17, 1987, 2:12 AM AKST (11:12 UTC), 58 km (36 mi) below the surface.
A larger quake followed: M5.3 20 km SSW 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
- 3.8 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-03-17 11:12:26 UTC
- Depth
- 58.1 km (36.1 mi), shallow
- Epicenter
- 61.589° N, 150.667° 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: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.34 km WSW of Meadow Lakes, Alaska · 14439 days ago · 35 km deep · 53 km away
- 5.320 km SSW of Susitna, Alaska · 14412 days ago · 68 km deep · 24 km away
- 4.420 km SSW of Susitna, Alaska · 14412 days ago · 66 km deep · 25 km away
- 2.423 km ESE of Susitna North, Alaska · 14399 days ago · 43 km deep · 84 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00033cx. Read Thu, Oct 1, 2026, 5:11 PM UTC.