M5.5 earthquake 82 km SE of False Pass, Alaska
A magnitude 5.5 earthquake struck 82 km SE of False Pass, Alaska on Sat, Jun 20, 1987, 9:55 PM AKDT (05:55 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mb), moderate
- Local time
- UTC
- 1987-06-21 05:55:26 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 54.285° N, 162.597° 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 2.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.878 km SSE of False Pass, Alaska · 14338 days ago · 33 km deep · 11 km away
- 4.984 km SE of False Pass, Alaska · 14338 days ago · 33 km deep · 3 km away
- 4.2131 km S of King Cove, Alaska · 14337 days ago · 33 km deep · 56 km away
- 4.7108 km SSW of False Pass, Alaska · 14333 days ago · 33 km deep · 92 km away
- 4.6Unimak Island region, Alaska · 14330 days ago · 33 km deep · 81 km away
- 4.6108 km SE of False Pass, Alaska · 14328 days ago · 33 km deep · 27 km away
- 4.8124 km S of False Pass, Alaska · 14301 days ago · 33 km deep · 91 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00035yp (also filed as ushis4025, iscgem464825). Read Tue, Sep 22, 2026, 5:29 AM UTC.