M4.9 earthquake 133 km S of False Pass, Alaska
A magnitude 4.9 earthquake struck 133 km S of False Pass, Alaska on Sat, Dec 5, 1987, 9:19 AM AKST (18:19 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
- 4.9 (mb), light
- Local time
- UTC
- 1987-12-05 18:19:10 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.654° N, 163.523° 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 1.9 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.6111 km SE of Akutan, Alaska · 14143 days ago · 33 km deep · 81 km away
- 4.7188 km SSE of False Pass, Alaska · 14135 days ago · 33 km deep · 70 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0003azp. Read Tue, Sep 22, 2026, 4:03 AM UTC.