M4.2 earthquake 175 km WSW of Adak, Alaska
A magnitude 4.2 earthquake struck 175 km WSW of Adak, Alaska on Fri, Jun 12, 1998, 4:41 AM HADT (13:41 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.5 241 km WSW 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
- 1998-06-12 13:41:05 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.333° N, 179.013° 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: 3 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.5241 km WSW of Adak, Alaska · 10318 days ago · 33 km deep · 66 km away
- 4.3112 km WSW of Adak, Alaska · 10291 days ago · 33 km deep · 63 km away
- 4.2143 km WSW of Adak, Alaska · 10289 days ago · 33 km deep · 32 km away
Before
- 4.1160 km WSW of Adak, Alaska · 10340 days ago · 33 km deep · 15 km away
- 3.6192 km WSW of Adak, Alaska · 10342 days ago · 33 km deep · 33 km away
- 3.7111 km SW of Adak, Alaska · 10347 days ago · 33 km deep · 76 km away
- 4.3122 km SW of Adak, Alaska · 10366 days ago · 33 km deep · 71 km away
- 3.7249 km W of Adak, Alaska · 10367 days ago · 100 km deep · 97 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008pt5. Read Fri, Oct 2, 2026, 1:56 PM UTC.