M3.9 earthquake 22 km ESE of Atka, Alaska
A magnitude 3.9 earthquake struck 22 km ESE of Atka, Alaska on Mon, Aug 24, 1998, 9:31 AM HADT (18:31 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.1 96 km SE 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
- 3.9 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1998-08-24 18:31:26 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 52.108° N, 173.905° 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: 8 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.962 km SSW of Atka, Alaska · 10256 days ago · 52 km deep · 66 km away
- 6.196 km SE of Atka, Alaska · 10245 days ago · 33 km deep · 75 km away
- 4.089 km ESE of Atka, Alaska · 10245 days ago · 33 km deep · 67 km away
- 4.468 km ESE of Atka, Alaska · 10244 days ago · 33 km deep · 46 km away
- 4.398 km ESE of Atka, Alaska · 10244 days ago · 33 km deep · 76 km away
- 3.8105 km ESE of Atka, Alaska · 10243 days ago · 33 km deep · 82 km away
- 4.361 km SW of Atka, Alaska · 10230 days ago · 33 km deep · 74 km away
- 4.015 km SSW of Atka, Alaska · 10210 days ago · 81 km deep · 27 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008tth. Read Fri, Oct 2, 2026, 6:13 PM UTC.