M3.9 earthquake 97 km S of McCarthy, Alaska
A magnitude 3.9 earthquake struck 97 km S of McCarthy, Alaska on Mon, Nov 23, 1987, 12:31 AM AKST (09:31 UTC), 0 km (0 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (ml), minor
- Local time
- UTC
- 1987-11-23 09:31:08 UTC
- Depth
- 0.0 km (0.0 mi), shallow
- Epicenter
- 60.557° N, 142.952° 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 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 1.6117 km NW of Yakutat, Alaska · 14144 days ago · 0 km deep · 96 km away
- 1.6130 km SE of McCarthy, Alaska · 14135 days ago · 6 km deep · 99 km away
- 1.6125 km NW of Yakutat, Alaska · 14130 days ago · -1 km deep · 95 km away
- 1.7123 km NW of Yakutat, Alaska · 14128 days ago · 7 km deep · 97 km away
- 1.5113 km NW of Yakutat, Alaska · 14124 days ago · 5 km deep · 98 km away
- 1.8103 km S of McCarthy, Alaska · 14124 days ago · 7 km deep · 9 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0003acu. Read Tue, Sep 22, 2026, 3:40 AM UTC.