M1.9 earthquake 103 km WSW of Adak, Alaska
A magnitude 1.9 earthquake struck 103 km WSW of Adak, Alaska on Tue, Sep 26, 2017, 3:27 AM HADT (12:27 UTC), 43 km (27 mi) below the surface.
A larger quake followed: M4.8 131 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
- 1.9 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2017-09-26 12:27:50 UTC
- Depth
- 42.9 km (26.7 mi), shallow
- Epicenter
- 51.482° N, 177.994° 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 200 in the 60 days after this one and 128 in the 30 days before it.
After
- 1.9126 km W of Adak, Alaska · 3292 days ago · 17 km deep · 42 km away
- 2.0123 km WSW of Adak, Alaska · 3292 days ago · 13 km deep · 32 km away
- 1.8123 km W of Adak, Alaska · 3292 days ago · 18 km deep · 38 km away
- 1.970 km SW of Adak, Alaska · 3291 days ago · 54 km deep · 39 km away
- 1.7126 km WSW of Adak, Alaska · 3291 days ago · 13 km deep · 36 km away
- 1.5Andreanof Islands, Aleutian Islands, Alaska · 3291 days ago · 16 km deep · 41 km away
- 1.569 km WSW of Adak, Alaska · 3291 days ago · 69 km deep · 34 km away
- 1.5108 km WSW of Adak, Alaska · 3291 days ago · 44 km deep · 15 km away
- 2.3126 km WSW of Adak, Alaska · 3291 days ago · 7 km deep · 34 km away
- 3.3126 km W of Adak, Alaska · 3290 days ago · 13 km deep · 38 km away
- 1.6122 km WSW of Adak, Alaska · 3290 days ago · 12 km deep · 32 km away
- 1.6135 km W of Adak, Alaska · 3290 days ago · 15 km deep · 47 km away
- 2.8128 km WSW of Adak, Alaska · 3290 days ago · 16 km deep · 27 km away
- 3.0134 km WSW of Adak, Alaska · 3290 days ago · 14 km deep · 37 km away
- 2.7125 km WSW of Adak, Alaska · 3290 days ago · 16 km deep · 28 km away
- 1.6158 km WSW of Adak, Alaska · 3289 days ago · 47 km deep · 55 km away
- 2.2124 km WSW of Adak, Alaska · 3289 days ago · 7 km deep · 32 km away
- 3.1123 km WSW of Adak, Alaska · 3289 days ago · 13 km deep · 32 km away
- 1.6112 km WSW of Adak, Alaska · 3288 days ago · 25 km deep · 9 km away
- 2.095 km WSW of Adak, Alaska · 3288 days ago · 42 km deep · 9 km away
- 1.5126 km W of Adak, Alaska · 3288 days ago · 7 km deep · 41 km away
- 1.5125 km W of Adak, Alaska · 3288 days ago · 14 km deep · 41 km away
- 2.1130 km WSW of Adak, Alaska · 3288 days ago · 11 km deep · 34 km away
- 1.9130 km W of Adak, Alaska · 3287 days ago · 15 km deep · 44 km away
- 2.3124 km W of Adak, Alaska · 3286 days ago · 12 km deep · 38 km away
- 2.3123 km W of Adak, Alaska · 3286 days ago · 5 km deep · 35 km away
- 2.1124 km W of Adak, Alaska · 3286 days ago · 15 km deep · 36 km away
- 2.1124 km WSW of Adak, Alaska · 3286 days ago · 11 km deep · 32 km away
- 2.7121 km WSW of Adak, Alaska · 3286 days ago · 14 km deep · 19 km away
- 2.6122 km WSW of Adak, Alaska · 3286 days ago · 19 km deep · 19 km away
- 2.7124 km WSW of Adak, Alaska · 3286 days ago · 20 km deep · 26 km away
- 2.173 km SW of Adak, Alaska · 3285 days ago · 25 km deep · 35 km away
- 2.4189 km WSW of Adak, Alaska · 3284 days ago · 25 km deep · 86 km away
- 2.8116 km WSW of Adak, Alaska · 3284 days ago · 20 km deep · 15 km away
- 2.660 km SSW of Adak, Alaska · 3284 days ago · 39 km deep · 63 km away
- 3.0134 km WSW of Adak, Alaska · 3283 days ago · 29 km deep · 34 km away
- 2.2129 km WSW of Adak, Alaska · 3283 days ago · 8 km deep · 38 km away
- 2.565 km SSW of Adak, Alaska · 3282 days ago · 37 km deep · 68 km away
- 2.3103 km SW of Adak, Alaska · 3282 days ago · 41 km deep · 16 km away
- 2.267 km W of Adak, Alaska · 3282 days ago · 13 km deep · 53 km away
- 1.6Andreanof Islands, Aleutian Islands, Alaska · 3282 days ago · 17 km deep · 44 km away
- 2.4125 km WSW of Adak, Alaska · 3282 days ago · 13 km deep · 35 km away
- 2.2132 km W of Adak, Alaska · 3281 days ago · 13 km deep · 45 km away
- 2.0131 km W of Adak, Alaska · 3281 days ago · 13 km deep · 46 km away
- 2.151 km SW of Adak, Alaska · 3281 days ago · 34 km deep · 54 km away
- 1.6134 km WSW of Adak, Alaska · 3281 days ago · 7 km deep · 42 km away
- 2.0155 km W of Adak, Alaska · 3281 days ago · 78 km deep · 63 km away
- 2.3201 km WSW of Adak, Alaska · 3281 days ago · 28 km deep · 98 km away
- 1.6125 km W of Adak, Alaska · 3281 days ago · 18 km deep · 44 km away
- 3.2Andreanof Islands, Aleutian Islands, Alaska · 3280 days ago · 23 km deep · 36 km away
- 3.2129 km W of Adak, Alaska · 3280 days ago · 10 km deep · 39 km away
- 2.4123 km WSW of Adak, Alaska · 3280 days ago · 12 km deep · 31 km away
- 1.945 km WSW of Adak, Alaska · 3280 days ago · 42 km deep · 59 km away
- 2.964 km WSW of Adak, Alaska · 3279 days ago · 31 km deep · 41 km away
- 2.3104 km SW of Adak, Alaska · 3279 days ago · 39 km deep · 26 km away
- 2.9136 km W of Adak, Alaska · 3279 days ago · 24 km deep · 55 km away
- 2.8128 km W of Adak, Alaska · 3278 days ago · 23 km deep · 41 km away
- 2.0128 km WSW of Adak, Alaska · 3278 days ago · 23 km deep · 38 km away
- 2.1126 km WSW of Adak, Alaska · 3278 days ago · 11 km deep · 33 km away
- 2.3200 km WSW of Adak, Alaska · 3277 days ago · 23 km deep · 100 km away
The first 60 of at least 200.
Before
- 2.0128 km W of Adak, Alaska · 3293 days ago · 16 km deep · 41 km away
- 1.943 km SW of Adak, Alaska · 3294 days ago · 47 km deep · 65 km away
- 1.8127 km W of Adak, Alaska · 3294 days ago · 14 km deep · 38 km away
- 2.792 km WSW of Adak, Alaska · 3294 days ago · 19 km deep · 23 km away
- 1.9125 km WSW of Adak, Alaska · 3294 days ago · 16 km deep · 33 km away
- 3.9130 km WSW of Adak, Alaska · 3294 days ago · 11 km deep · 28 km away
- 1.7131 km W of Adak, Alaska · 3294 days ago · 16 km deep · 47 km away
- 1.8167 km W of Adak, Alaska · 3294 days ago · 7 km deep · 78 km away
- 1.7156 km WSW of Adak, Alaska · 3295 days ago · 34 km deep · 55 km away
- 1.9129 km WSW of Adak, Alaska · 3295 days ago · 13 km deep · 33 km away
- 2.297 km W of Adak, Alaska · 3295 days ago · 93 km deep · 41 km away
- 1.563 km SW of Adak, Alaska · 3296 days ago · 19 km deep · 44 km away
- 1.9125 km W of Adak, Alaska · 3296 days ago · 17 km deep · 36 km away
- 1.850 km SW of Adak, Alaska · 3298 days ago · 44 km deep · 59 km away
- 2.789 km WSW of Adak, Alaska · 3299 days ago · 27 km deep · 15 km away
- 2.5125 km W of Adak, Alaska · 3299 days ago · 13 km deep · 38 km away
- 2.8152 km W of Adak, Alaska · 3299 days ago · 206 km deep · 87 km away
- 2.2128 km W of Adak, Alaska · 3300 days ago · 10 km deep · 45 km away
- 2.6128 km WSW of Adak, Alaska · 3300 days ago · 19 km deep · 37 km away
- 3.0196 km WSW of Adak, Alaska · 3300 days ago · 6 km deep · 93 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak017cd2vgam (also filed as ak16908941). Read Fri, Oct 2, 2026, 4:36 AM UTC.