M3.2 earthquake 181 km SW of Nikolski, Alaska
A magnitude 3.2 earthquake struck 181 km SW of Nikolski, Alaska on Sun, Feb 1, 1998, 5:31 AM HAST (15:31 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.1 152 km E of Atka, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.2 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1998-02-01 15:31:55 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 52.032° N, 171.082° 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
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.1152 km E of Atka, Alaska · 10462 days ago · 33 km deep · 73 km away
- 3.2152 km E of Atka, Alaska · 10462 days ago · 33 km deep · 72 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008fa1. Read Sat, Oct 3, 2026, 4:20 AM UTC.