M4.2 earthquake 278 km WSW of Adak, Alaska
A magnitude 4.2 earthquake struck 278 km WSW of Adak, Alaska on Sat, Jun 13, 1998, 1:25 AM GMT+12 (13:25 UTC), 66 km (41 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 13:25:11 UTC
- Depth
- 66.1 km (41.1 mi), shallow
- Epicenter
- 51.156° N, 179.520° E
- 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
- FROM_LOCATION
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.1274 km WSW of Adak, Alaska · 10340 days ago · 61 km deep · 9 km away
- 4.5241 km WSW of Adak, Alaska · 10319 days ago · 33 km deep · 39 km away
- 3.8268 km W of Adak, Alaska · 10305 days ago · 100 km deep · 76 km away
Before
- 3.6192 km WSW of Adak, Alaska · 10343 days ago · 33 km deep · 88 km away
- 3.6284 km W of Adak, Alaska · 10343 days ago · 61 km deep · 88 km away
- 4.2296 km WSW of Adak, Alaska · 10347 days ago · 33 km deep · 20 km away
- 4.5Rat Islands, Aleutian Islands, Alaska · 10350 days ago · 45 km deep · 80 km away
- 4.4Rat Islands, Aleutian Islands, Alaska · 10357 days ago · 33 km deep · 72 km away
- 3.7249 km W of Adak, Alaska · 10368 days ago · 100 km deep · 68 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008pt2. Read Sat, Oct 3, 2026, 8:00 AM UTC.