M6.5 earthquake 88 km SE of False Pass, Alaska
A magnitude 6.5 earthquake struck 88 km SE of False Pass, Alaska on Sat, Jun 20, 1987, 9:46 PM AKDT (05:46 UTC), 34 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.5 (mw), strong
- Local time
- UTC
- 1987-06-21 05:46:10 UTC
- Depth
- 33.6 km (20.9 mi), shallow
- Epicenter
- 54.211° N, 162.601° 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: 8 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.582 km SE of False Pass, Alaska · 14339 days ago · 33 km deep · 8 km away
- 4.878 km SSE of False Pass, Alaska · 14339 days ago · 33 km deep · 12 km away
- 4.984 km SE of False Pass, Alaska · 14339 days ago · 33 km deep · 7 km away
- 4.2131 km S of King Cove, Alaska · 14338 days ago · 33 km deep · 49 km away
- 4.7108 km SSW of False Pass, Alaska · 14333 days ago · 33 km deep · 89 km away
- 4.6Unimak Island region, Alaska · 14330 days ago · 33 km deep · 76 km away
- 4.6108 km SE of False Pass, Alaska · 14328 days ago · 33 km deep · 20 km away
- 4.8124 km S of False Pass, Alaska · 14302 days ago · 33 km deep · 86 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00035yn (also filed as choy19870621054610, gcmtc062187c, ushis4024, gcmt19870621054609, iscgem464824). Read Tue, Sep 22, 2026, 8:07 PM UTC.