M4.2 earthquake 77 km WSW of Atka, Alaska
A magnitude 4.2 earthquake struck 77 km WSW of Atka, Alaska on Thu, May 14, 1998, 9:55 AM HADT (18:55 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.5 51 km ESE 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1998-05-14 18:55:07 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.882° N, 175.211° 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 2 in the 30 days before it.
After
- 4.158 km SSE of Adak, Alaska · 10353 days ago · 33 km deep · 93 km away
- 4.322 km SE of Adak, Alaska · 10345 days ago · 60 km deep · 85 km away
- 3.362 km WNW of Atka, Alaska · 10343 days ago · 33 km deep · 54 km away
- 4.551 km ESE of Adak, Alaska · 10338 days ago · 47 km deep · 53 km away
- 4.374 km NNE of Adak, Alaska · 10323 days ago · 154 km deep · 97 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008n2c. Read Fri, Oct 2, 2026, 3:03 PM UTC.