M3.6 earthquake 295 km W of Adak, Alaska
A magnitude 3.6 earthquake struck 295 km W of Adak, Alaska on Mon, Jan 4, 1999, 11:25 AM GMT+12 (23:25 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.3 266 km W 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
- 3.6 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1999-01-03 23:25:02 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.793° N, 179.083° 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
- OPERATOR_ASSIGNED
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.6243 km W of Adak, Alaska · 10127 days ago · 88 km deep · 55 km away
- 4.3Rat Islands, Aleutian Islands, Alaska · 10126 days ago · 33 km deep · 96 km away
- 4.7248 km W of Adak, Alaska · 10118 days ago · 170 km deep · 74 km away
- 3.8215 km W of Adak, Alaska · 10086 days ago · 70 km deep · 81 km away
- 5.3266 km W of Adak, Alaska · 10076 days ago · 72 km deep · 39 km away
- 3.7Rat Islands, Aleutian Islands, Alaska · 10075 days ago · 33 km deep · 33 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00090kf. Read Sat, Oct 3, 2026, 2:38 AM UTC.