M3.9 earthquake 33 km SSE of Atka, Alaska
A magnitude 3.9 earthquake struck 33 km SSE of Atka, Alaska on Mon, Jul 13, 1998, 2:19 PM HADT (23:19 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 62 km SSW 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
- 1998-07-13 23:19:08 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.932° N, 173.974° 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: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.265 km NW of Atka, Alaska · 10275 days ago · 33 km deep · 97 km away
- 4.681 km S of Atka, Alaska · 10275 days ago · 33 km deep · 53 km away
- 3.922 km ESE of Atka, Alaska · 10266 days ago · 33 km deep · 20 km away
- 4.962 km SSW of Atka, Alaska · 10256 days ago · 52 km deep · 50 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008rf5. Read Fri, Oct 2, 2026, 7:58 PM UTC.