M4.9 earthquake 88 km SSE of Old Harbor, Alaska
A magnitude 4.9 earthquake struck 88 km SSE of Old Harbor, Alaska on Tue, Nov 24, 1987, 9:37 AM AKST (18:37 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
- 1987-11-24 18:37:55 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 56.432° N, 152.982° 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: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.799 km SE of Akhiok, Alaska · 14182 days ago · 33 km deep · 19 km away
- 4.776 km SE of Akhiok, Alaska · 14182 days ago · 33 km deep · 19 km away
- 3.049 km SSW of Akhiok, Alaska · 14160 days ago · 33 km deep · 89 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0003agj. Read Tue, Sep 22, 2026, 11:16 AM UTC.