M1.6 earthquake 132 km W of Adak, Alaska
A magnitude 1.6 earthquake struck 132 km W of Adak, Alaska on Mon, Jul 31, 2017, 4:40 AM HADT (13:40 UTC), 11 km (7 mi) below the surface.
A larger quake followed: M5.1 125 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
- 1.6 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2017-07-31 13:40:46 UTC
- Depth
- 10.7 km (6.6 mi), shallow
- Epicenter
- 51.670° N, 178.521° 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
- 15
Nearby
Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and at least 200 in the 30 days before it.
After
- 1.8128 km WSW of Adak, Alaska · 3350 days ago · 7 km deep · 8 km away
- 1.5125 km W of Adak, Alaska · 3350 days ago · 10 km deep · 7 km away
- 1.9168 km W of Adak, Alaska · 3350 days ago · 7 km deep · 39 km away
- 2.0198 km WSW of Adak, Alaska · 3349 days ago · 13 km deep · 73 km away
- 1.775 km WSW of Adak, Alaska · 3349 days ago · 37 km deep · 67 km away
- 2.2132 km W of Adak, Alaska · 3349 days ago · 15 km deep · 2 km away
- 2.6130 km WSW of Adak, Alaska · 3349 days ago · 7 km deep · 24 km away
- 1.998 km SW of Adak, Alaska · 3349 days ago · 22 km deep · 87 km away
- 1.9123 km W of Adak, Alaska · 3349 days ago · 18 km deep · 9 km away
- 2.1120 km W of Adak, Alaska · 3349 days ago · 9 km deep · 11 km away
- 2.184 km WSW of Adak, Alaska · 3349 days ago · 13 km deep · 57 km away
- 1.9131 km W of Adak, Alaska · 3348 days ago · 5 km deep · 10 km away
- 2.1129 km W of Adak, Alaska · 3347 days ago · 12 km deep · 3 km away
- 3.9230 km W of Adak, Alaska · 3347 days ago · 97 km deep · 99 km away
- 2.0130 km W of Adak, Alaska · 3347 days ago · 17 km deep · 8 km away
- 1.8126 km WSW of Adak, Alaska · 3347 days ago · 13 km deep · 10 km away
- 2.3202 km W of Adak, Alaska · 3347 days ago · 125 km deep · 73 km away
- 2.3170 km WSW of Adak, Alaska · 3347 days ago · 10 km deep · 46 km away
- 1.6127 km WSW of Adak, Alaska · 3346 days ago · 20 km deep · 5 km away
- 2.1180 km WSW of Adak, Alaska · 3346 days ago · 58 km deep · 53 km away
- 1.8124 km W of Adak, Alaska · 3346 days ago · 19 km deep · 11 km away
- 2.3135 km W of Adak, Alaska · 3346 days ago · 6 km deep · 3 km away
- 2.3125 km WSW of Adak, Alaska · 3346 days ago · 8 km deep · 10 km away
- 2.4156 km WSW of Adak, Alaska · 3346 days ago · 47 km deep · 53 km away
- 2.082 km SW of Adak, Alaska · 3346 days ago · 37 km deep · 87 km away
- 2.5133 km WSW of Adak, Alaska · 3346 days ago · 15 km deep · 18 km away
- 4.8138 km WSW of Adak, Alaska · 3346 days ago · 10 km deep · 18 km away · tsunami flag
- 1.8122 km WSW of Adak, Alaska · 3345 days ago · 10 km deep · 16 km away
- 2.1125 km WSW of Adak, Alaska · 3345 days ago · 8 km deep · 8 km away
- 1.9124 km WSW of Adak, Alaska · 3345 days ago · 13 km deep · 8 km away
- 2.5124 km W of Adak, Alaska · 3345 days ago · 11 km deep · 10 km away
- 1.8162 km WSW of Adak, Alaska · 3345 days ago · 14 km deep · 36 km away
- 1.8123 km W of Adak, Alaska · 3345 days ago · 13 km deep · 9 km away
- 3.3136 km WSW of Adak, Alaska · 3345 days ago · 19 km deep · 25 km away
- 2.3143 km W of Adak, Alaska · 3345 days ago · 1 km deep · 42 km away
- 1.674 km WSW of Adak, Alaska · 3345 days ago · 22 km deep · 67 km away
- 1.6126 km WSW of Adak, Alaska · 3345 days ago · 5 km deep · 14 km away
- 2.2Andreanof Islands, Aleutian Islands, Alaska · 3345 days ago · 59 km deep · 84 km away
- 1.7129 km W of Adak, Alaska · 3345 days ago · 14 km deep · 7 km away
- 1.8191 km WSW of Adak, Alaska · 3344 days ago · 48 km deep · 66 km away
- 2.1215 km WSW of Adak, Alaska · 3344 days ago · 14 km deep · 97 km away
- 1.5128 km W of Adak, Alaska · 3344 days ago · 19 km deep · 9 km away
- 1.5203 km WSW of Adak, Alaska · 3344 days ago · 26 km deep · 76 km away
- 1.7130 km W of Adak, Alaska · 3344 days ago · 18 km deep · 5 km away
- 1.7124 km WSW of Adak, Alaska · 3344 days ago · 17 km deep · 8 km away
- 1.6134 km W of Adak, Alaska · 3344 days ago · 15 km deep · 9 km away
- 2.2129 km W of Adak, Alaska · 3343 days ago · 8 km deep · 5 km away
- 1.5127 km WSW of Adak, Alaska · 3343 days ago · 21 km deep · 6 km away
- 1.5129 km W of Adak, Alaska · 3343 days ago · 12 km deep · 3 km away
- 1.7126 km W of Adak, Alaska · 3343 days ago · 10 km deep · 6 km away
- 2.0162 km SW of Adak, Alaska · 3343 days ago · 26 km deep · 100 km away
- 1.7143 km W of Adak, Alaska · 3343 days ago · 28 km deep · 24 km away
- 1.6128 km WSW of Adak, Alaska · 3343 days ago · 13 km deep · 9 km away
- 1.8123 km W of Adak, Alaska · 3343 days ago · 7 km deep · 11 km away
- 1.9126 km WSW of Adak, Alaska · 3343 days ago · 17 km deep · 7 km away
- 2.4108 km WSW of Adak, Alaska · 3343 days ago · 55 km deep · 40 km away
- 1.962 km SW of Adak, Alaska · 3342 days ago · 47 km deep · 79 km away
- 2.1Andreanof Islands, Aleutian Islands, Alaska · 3342 days ago · 41 km deep · 46 km away
- 1.7132 km W of Adak, Alaska · 3342 days ago · 16 km deep · 5 km away
- 2.0128 km W of Adak, Alaska · 3342 days ago · 13 km deep · 5 km away
The first 60 of at least 201.
Before
- 3.3129 km WSW of Adak, Alaska · 3350 days ago · 8 km deep · 18 km away
- 1.6130 km WSW of Adak, Alaska · 3350 days ago · 14 km deep · 2 km away
- 2.4220 km WSW of Adak, Alaska · 3350 days ago · 68 km deep · 89 km away
- 1.9167 km W of Adak, Alaska · 3350 days ago · 8 km deep · 37 km away
- 1.6127 km W of Adak, Alaska · 3350 days ago · 18 km deep · 9 km away
- 1.984 km WSW of Adak, Alaska · 3350 days ago · 13 km deep · 59 km away
- 1.5131 km W of Adak, Alaska · 3350 days ago · 16 km deep · 6 km away
- 1.678 km W of Adak, Alaska · 3350 days ago · 75 km deep · 54 km away
- 1.6135 km W of Adak, Alaska · 3351 days ago · 15 km deep · 10 km away
- 2.0129 km WSW of Adak, Alaska · 3351 days ago · 13 km deep · 4 km away
- 1.869 km WSW of Adak, Alaska · 3351 days ago · 33 km deep · 71 km away
- 2.4127 km WSW of Adak, Alaska · 3351 days ago · 14 km deep · 5 km away
- 1.7124 km WSW of Adak, Alaska · 3351 days ago · 5 km deep · 17 km away
- 3.4129 km WSW of Adak, Alaska · 3351 days ago · 12 km deep · 19 km away
- 2.1Andreanof Islands, Aleutian Islands, Alaska · 3351 days ago · 13 km deep · 5 km away
- 2.4126 km W of Adak, Alaska · 3351 days ago · 16 km deep · 6 km away
- 1.6130 km W of Adak, Alaska · 3351 days ago · 12 km deep · 2 km away
- 3.7124 km WSW of Adak, Alaska · 3351 days ago · 19 km deep · 11 km away
- 1.6105 km WSW of Adak, Alaska · 3351 days ago · 22 km deep · 29 km away
- 1.8126 km W of Adak, Alaska · 3352 days ago · 18 km deep · 9 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0179qtwvt8 (also filed as ak16591960). Read Fri, Oct 2, 2026, 2:05 PM UTC.