M4.2 earthquake 173 km W of Adak, Alaska
A magnitude 4.2 earthquake struck 173 km W of Adak, Alaska on Thu, Jun 20, 1996, 5:41 AM HADT (14:41 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.5 113 km WNW 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), light
- Local time
- UTC
- 1996-06-20 14:41:13 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.982° N, 179.149° 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.
- Stations used
- 0
Nearby
Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 33 in the 30 days before it.
After
- 4.0147 km WSW of Adak, Alaska · 11051 days ago · 33 km deep · 62 km away
- 4.5113 km WNW of Adak, Alaska · 11050 days ago · 33 km deep · 86 km away
- 4.3147 km WSW of Adak, Alaska · 11048 days ago · 33 km deep · 80 km away
- 3.9139 km WSW of Adak, Alaska · 11045 days ago · 33 km deep · 68 km away
- 4.3171 km WSW of Adak, Alaska · 11026 days ago · 33 km deep · 91 km away
- 4.6259 km W of Adak, Alaska · 11023 days ago · 150 km deep · 86 km away
- 4.7133 km WSW of Adak, Alaska · 11021 days ago · 33 km deep · 98 km away
- 3.8182 km W of Adak, Alaska · 11020 days ago · 33 km deep · 26 km away
- 4.291 km W of Adak, Alaska · 11020 days ago · 33 km deep · 83 km away
- 3.7206 km WSW of Adak, Alaska · 11020 days ago · 33 km deep · 71 km away
- 4.5197 km WSW of Adak, Alaska · 11015 days ago · 33 km deep · 96 km away
- 3.7145 km WSW of Adak, Alaska · 11001 days ago · 33 km deep · 67 km away
- 4.0145 km WSW of Adak, Alaska · 11001 days ago · 33 km deep · 58 km away
- 4.2138 km WSW of Adak, Alaska · 10998 days ago · 33 km deep · 99 km away
- 6.0Andreanof Islands, Aleutian Islands, Alaska · 10992 days ago · 33 km deep · 80 km away
Before
- 5.1126 km WSW of Adak, Alaska · 11054 days ago · 33 km deep · 97 km away
- 3.7157 km WSW of Adak, Alaska · 11055 days ago · 10 km deep · 59 km away
- 5.3131 km WSW of Adak, Alaska · 11055 days ago · 30 km deep · 70 km away
- 3.9118 km WSW of Adak, Alaska · 11055 days ago · 33 km deep · 85 km away
- 3.899 km W of Adak, Alaska · 11055 days ago · 33 km deep · 80 km away
- 4.4155 km WSW of Adak, Alaska · 11056 days ago · 33 km deep · 83 km away
- 4.7120 km WSW of Adak, Alaska · 11058 days ago · 34 km deep · 75 km away
- 4.1138 km WSW of Adak, Alaska · 11058 days ago · 33 km deep · 65 km away
- 3.8107 km WSW of Adak, Alaska · 11058 days ago · 33 km deep · 97 km away
- 4.2110 km W of Adak, Alaska · 11059 days ago · 33 km deep · 70 km away
- 4.4122 km WSW of Adak, Alaska · 11059 days ago · 33 km deep · 71 km away
- 5.5123 km WSW of Adak, Alaska · 11060 days ago · 33 km deep · 93 km away
- 5.8120 km WSW of Adak, Alaska · 11060 days ago · 33 km deep · 90 km away
- 5.2124 km WSW of Adak, Alaska · 11060 days ago · 33 km deep · 79 km away
- 4.2144 km WNW of Adak, Alaska · 11061 days ago · 33 km deep · 46 km away
- 3.8129 km WSW of Adak, Alaska · 11061 days ago · 33 km deep · 96 km away
- 3.9150 km WSW of Adak, Alaska · 11061 days ago · 33 km deep · 83 km away
- 3.9124 km WSW of Adak, Alaska · 11061 days ago · 33 km deep · 94 km away
- 3.7122 km WSW of Adak, Alaska · 11061 days ago · 33 km deep · 99 km away
- 3.9135 km WSW of Adak, Alaska · 11061 days ago · 33 km deep · 90 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak9967wp0krv. Read Tue, Sep 22, 2026, 8:25 PM UTC.