M2.5 earthquake 55 km WSW of Adak, Alaska
A magnitude 2.5 earthquake struck 55 km WSW of Adak, Alaska on Tue, Apr 25, 2017, 3:19 AM HADT (12:19 UTC), 73 km (45 mi) below the surface.
A larger quake followed: M6.2 135 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
- 2.5 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2017-04-25 12:19:09 UTC
- Depth
- 73.0 km (45.4 mi), intermediate-depth
- Epicenter
- 51.725° N, 177.396° 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
- 20
Nearby
Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.
After
- 1.8127 km W of Adak, Alaska · 3447 days ago · 11 km deep · 73 km away
- 2.5112 km WSW of Adak, Alaska · 3446 days ago · 33 km deep · 59 km away
- 2.0126 km WSW of Adak, Alaska · 3446 days ago · 31 km deep · 74 km away
- 4.7129 km WSW of Adak, Alaska · 3445 days ago · 52 km deep · 75 km away
- 2.16 km SSW of Adak, Alaska · 3445 days ago · 75 km deep · 51 km away
- 3.7147 km WSW of Adak, Alaska · 3444 days ago · 63 km deep · 92 km away
- 2.0123 km WSW of Adak, Alaska · 3443 days ago · 45 km deep · 70 km away
- 1.8130 km WSW of Adak, Alaska · 3443 days ago · 4 km deep · 76 km away
- 2.5131 km W of Adak, Alaska · 3443 days ago · 12 km deep · 77 km away
- 1.8131 km W of Adak, Alaska · 3443 days ago · 12 km deep · 77 km away
- 2.2130 km W of Adak, Alaska · 3443 days ago · 12 km deep · 76 km away
- 1.9131 km W of Adak, Alaska · 3443 days ago · 11 km deep · 77 km away
- 2.1132 km WSW of Adak, Alaska · 3443 days ago · 8 km deep · 77 km away
- 2.0130 km W of Adak, Alaska · 3443 days ago · 9 km deep · 76 km away
- 2.1129 km W of Adak, Alaska · 3443 days ago · 13 km deep · 76 km away
- 2.2130 km W of Adak, Alaska · 3443 days ago · 16 km deep · 77 km away
- 1.7132 km WSW of Adak, Alaska · 3443 days ago · 9 km deep · 78 km away
- 2.1131 km W of Adak, Alaska · 3443 days ago · 13 km deep · 78 km away
- 1.9131 km W of Adak, Alaska · 3443 days ago · 13 km deep · 78 km away
- 2.6131 km WSW of Adak, Alaska · 3443 days ago · 7 km deep · 77 km away
- 1.9131 km W of Adak, Alaska · 3443 days ago · 9 km deep · 77 km away
- 1.9132 km W of Adak, Alaska · 3443 days ago · 14 km deep · 79 km away
- 1.9135 km WSW of Adak, Alaska · 3443 days ago · 6 km deep · 81 km away
- 2.0130 km W of Adak, Alaska · 3443 days ago · 5 km deep · 76 km away
- 2.6129 km W of Adak, Alaska · 3442 days ago · 12 km deep · 76 km away
- 2.1132 km W of Adak, Alaska · 3442 days ago · 7 km deep · 79 km away
- 2.4131 km W of Adak, Alaska · 3442 days ago · 13 km deep · 80 km away
- 2.4130 km W of Adak, Alaska · 3442 days ago · 16 km deep · 77 km away
- 2.0131 km W of Adak, Alaska · 3442 days ago · 20 km deep · 78 km away
- 1.9131 km W of Adak, Alaska · 3442 days ago · 13 km deep · 77 km away
- 2.5131 km W of Adak, Alaska · 3442 days ago · 12 km deep · 77 km away
- 2.3130 km W of Adak, Alaska · 3442 days ago · 12 km deep · 77 km away
- 2.5131 km WSW of Adak, Alaska · 3442 days ago · 6 km deep · 77 km away
- 1.9131 km W of Adak, Alaska · 3442 days ago · 5 km deep · 77 km away
- 2.5134 km W of Adak, Alaska · 3442 days ago · 21 km deep · 82 km away
- 2.1130 km WSW of Adak, Alaska · 3442 days ago · 8 km deep · 76 km away
- 1.9131 km W of Adak, Alaska · 3442 days ago · 21 km deep · 79 km away
- 3.0131 km WSW of Adak, Alaska · 3442 days ago · 5 km deep · 77 km away
- 1.8132 km W of Adak, Alaska · 3442 days ago · 20 km deep · 79 km away
- 1.9130 km WSW of Adak, Alaska · 3442 days ago · 4 km deep · 75 km away
- 2.4132 km WSW of Adak, Alaska · 3442 days ago · 14 km deep · 78 km away
- 2.0131 km WSW of Adak, Alaska · 3442 days ago · 8 km deep · 77 km away
- 2.6130 km WSW of Adak, Alaska · 3442 days ago · 3 km deep · 75 km away
- 1.8131 km W of Adak, Alaska · 3442 days ago · 14 km deep · 77 km away
- 1.9132 km W of Adak, Alaska · 3442 days ago · 20 km deep · 79 km away
- 1.9131 km WSW of Adak, Alaska · 3442 days ago · 15 km deep · 77 km away
- 1.7130 km W of Adak, Alaska · 3442 days ago · 17 km deep · 77 km away
- 2.0132 km W of Adak, Alaska · 3442 days ago · 13 km deep · 78 km away
- 1.8130 km W of Adak, Alaska · 3442 days ago · 17 km deep · 77 km away
- 1.999 km WSW of Adak, Alaska · 3442 days ago · 13 km deep · 47 km away
- 2.2129 km W of Adak, Alaska · 3442 days ago · 2 km deep · 76 km away
- 2.2131 km W of Adak, Alaska · 3442 days ago · 12 km deep · 78 km away
- 2.8145 km WSW of Adak, Alaska · 3442 days ago · 9 km deep · 91 km away
- 2.1132 km W of Adak, Alaska · 3442 days ago · 6 km deep · 78 km away
- 1.9130 km W of Adak, Alaska · 3442 days ago · 12 km deep · 77 km away
- 2.5127 km WSW of Adak, Alaska · 3441 days ago · 52 km deep · 73 km away
- 2.5131 km W of Adak, Alaska · 3441 days ago · 14 km deep · 78 km away
- 3.8Andreanof Islands, Aleutian Islands, Alaska · 3441 days ago · 10 km deep · 85 km away
- 3.1132 km WSW of Adak, Alaska · 3441 days ago · 7 km deep · 78 km away
- 2.8131 km WSW of Adak, Alaska · 3441 days ago · 9 km deep · 76 km away
The first 60 of at least 202.
Before
- 1.725 km SE of Adak, Alaska · 3448 days ago · 58 km deep · 69 km away
- 2.061 km SSW of Adak, Alaska · 3448 days ago · 37 km deep · 46 km away
- 2.3105 km WSW of Adak, Alaska · 3449 days ago · 13 km deep · 50 km away
- 1.852 km S of Adak, Alaska · 3449 days ago · 26 km deep · 58 km away
- 1.658 km SE of Adak, Alaska · 3450 days ago · 25 km deep · 98 km away
- 2.346 km NE of Adak, Alaska · 3450 days ago · 141 km deep · 96 km away
- 1.9131 km W of Adak, Alaska · 3451 days ago · 12 km deep · 77 km away
- 1.829 km SSW of Adak, Alaska · 3451 days ago · 41 km deep · 47 km away
- 1.981 km SW of Adak, Alaska · 3452 days ago · 33 km deep · 35 km away
- 3.1120 km WSW of Adak, Alaska · 3453 days ago · 21 km deep · 65 km away
- 1.962 km SE of Adak, Alaska · 3453 days ago · 18 km deep · 95 km away
- 1.835 km SW of Adak, Alaska · 3453 days ago · 22 km deep · 33 km away
- 1.961 km SSE of Adak, Alaska · 3454 days ago · 18 km deep · 79 km away
- 2.0103 km WSW of Adak, Alaska · 3454 days ago · 30 km deep · 49 km away
- 1.858 km SE of Adak, Alaska · 3454 days ago · 10 km deep · 95 km away
- 1.836 km ENE of Adak, Alaska · 3454 days ago · 97 km deep · 90 km away
- 2.6112 km SW of Adak, Alaska · 3454 days ago · 35 km deep · 65 km away
- 1.5116 km WSW of Adak, Alaska · 3454 days ago · 30 km deep · 62 km away
- 1.775 km SSE of Adak, Alaska · 3454 days ago · 15 km deep · 93 km away
- 2.323 km SW of Adak, Alaska · 3455 days ago · 65 km deep · 38 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0175ae27cv (also filed as ak15816387). Read Sat, Oct 3, 2026, 3:11 PM UTC.