M3.4 earthquake 56 km E of Adak, Alaska
A magnitude 3.4 earthquake struck 56 km E of Adak, Alaska on Sun, Mar 29, 1998, 5:05 AM HAST (15:05 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.6 35 km SW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.4 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1998-03-29 15:05:53 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.969° N, 175.827° 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: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.257 km SE of Adak, Alaska · 10393 days ago · 49 km deep · 47 km away
- 4.635 km SW of Adak, Alaska · 10388 days ago · 40 km deep · 87 km away
- 4.070 km SSW of Atka, Alaska · 10384 days ago · 33 km deep · 91 km away
- 3.370 km S of Adak, Alaska · 10376 days ago · 33 km deep · 92 km away
- 4.277 km WSW of Atka, Alaska · 10368 days ago · 33 km deep · 43 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008j7d. Read Fri, Oct 2, 2026, 7:25 AM UTC.