M1.7 earthquake 117 km SW of Adak, Alaska
A magnitude 1.7 earthquake struck 117 km SW of Adak, Alaska on Tue, Apr 19, 2016, 8:55 PM HADT (05:55 UTC), 23 km (14 mi) below the surface.
A larger quake followed: M5.1 39 km SW 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
- 1.7 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2016-04-20 05:55:35 UTC
- Depth
- 23.2 km (14.4 mi), shallow
- Epicenter
- 51.229° N, 177.983° 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
- 10
Nearby
Within 100 km, magnitude 1.5 and up: 189 in the 60 days after this one and 73 in the 30 days before it.
After
- 1.6130 km W of Adak, Alaska · 3820 days ago · 13 km deep · 66 km away
- 2.1129 km W of Adak, Alaska · 3819 days ago · 8 km deep · 68 km away
- 1.5128 km W of Adak, Alaska · 3819 days ago · 9 km deep · 64 km away
- 1.7129 km W of Adak, Alaska · 3819 days ago · 9 km deep · 66 km away
- 2.2208 km WSW of Adak, Alaska · 3819 days ago · 10 km deep · 94 km away
- 1.5130 km WSW of Adak, Alaska · 3819 days ago · 13 km deep · 59 km away
- 2.3131 km W of Adak, Alaska · 3818 days ago · 7 km deep · 62 km away
- 3.9122 km WSW of Adak, Alaska · 3818 days ago · 10 km deep · 52 km away
- 2.1130 km W of Adak, Alaska · 3818 days ago · 13 km deep · 70 km away
- 1.8131 km W of Adak, Alaska · 3818 days ago · 20 km deep · 67 km away
- 2.1128 km W of Adak, Alaska · 3818 days ago · 13 km deep · 68 km away
- 1.5128 km W of Adak, Alaska · 3818 days ago · 13 km deep · 68 km away
- 2.5127 km W of Adak, Alaska · 3818 days ago · 10 km deep · 66 km away
- 2.196 km SW of Adak, Alaska · 3818 days ago · 23 km deep · 22 km away
- 1.9130 km WSW of Adak, Alaska · 3818 days ago · 7 km deep · 56 km away
- 1.7132 km WSW of Adak, Alaska · 3817 days ago · 5 km deep · 56 km away
- 1.6128 km W of Adak, Alaska · 3817 days ago · 6 km deep · 62 km away
- 1.8109 km SW of Adak, Alaska · 3817 days ago · 24 km deep · 8 km away
- 1.9130 km W of Adak, Alaska · 3816 days ago · 15 km deep · 71 km away
- 4.3131 km WSW of Adak, Alaska · 3816 days ago · 8 km deep · 58 km away
- 3.860 km SW of Adak, Alaska · 3816 days ago · 38 km deep · 63 km away
- 1.654 km SW of Adak, Alaska · 3815 days ago · 39 km deep · 67 km away
- 1.9143 km WSW of Adak, Alaska · 3815 days ago · 30 km deep · 62 km away
- 1.6130 km W of Adak, Alaska · 3815 days ago · 16 km deep · 69 km away
- 2.159 km SW of Adak, Alaska · 3815 days ago · 47 km deep · 58 km away
- 2.2116 km W of Adak, Alaska · 3814 days ago · 76 km deep · 63 km away
- 2.2186 km WSW of Adak, Alaska · 3814 days ago · 37 km deep · 77 km away
- 2.3Andreanof Islands, Aleutian Islands, Alaska · 3814 days ago · 15 km deep · 68 km away
- 1.6128 km W of Adak, Alaska · 3814 days ago · 19 km deep · 73 km away
- 2.5135 km WSW of Adak, Alaska · 3814 days ago · 22 km deep · 55 km away
- 1.965 km SSW of Adak, Alaska · 3813 days ago · 40 km deep · 67 km away
- 2.0118 km WSW of Adak, Alaska · 3812 days ago · 59 km deep · 40 km away
- 1.848 km W of Adak, Alaska · 3812 days ago · 67 km deep · 79 km away
- 1.656 km SW of Adak, Alaska · 3811 days ago · 46 km deep · 61 km away
- 1.7129 km W of Adak, Alaska · 3811 days ago · 14 km deep · 64 km away
- 1.643 km S of Adak, Alaska · 3811 days ago · 38 km deep · 97 km away
- 1.6113 km SW of Adak, Alaska · 3809 days ago · 6 km deep · 5 km away
- 1.9133 km W of Adak, Alaska · 3809 days ago · 97 km deep · 93 km away
- 2.4128 km W of Adak, Alaska · 3809 days ago · 6 km deep · 61 km away
- 1.8129 km W of Adak, Alaska · 3809 days ago · 13 km deep · 65 km away
- 1.7137 km WSW of Adak, Alaska · 3809 days ago · 54 km deep · 44 km away
- 2.2107 km WSW of Adak, Alaska · 3808 days ago · 47 km deep · 14 km away
- 2.5123 km WSW of Adak, Alaska · 3808 days ago · 26 km deep · 12 km away
- 2.973 km WSW of Adak, Alaska · 3808 days ago · 26 km deep · 46 km away
- 1.9131 km WSW of Adak, Alaska · 3807 days ago · 6 km deep · 58 km away
- 2.5125 km WSW of Adak, Alaska · 3806 days ago · 26 km deep · 19 km away
- 2.1182 km WSW of Adak, Alaska · 3806 days ago · 39 km deep · 71 km away
- 1.7129 km W of Adak, Alaska · 3806 days ago · 9 km deep · 72 km away
- 1.594 km WSW of Adak, Alaska · 3806 days ago · 31 km deep · 32 km away
- 1.8129 km WSW of Adak, Alaska · 3806 days ago · 5 km deep · 58 km away
- 2.0173 km WSW of Adak, Alaska · 3805 days ago · 27 km deep · 75 km away
- 1.9100 km WSW of Adak, Alaska · 3803 days ago · 7 km deep · 38 km away
- 3.3112 km SW of Adak, Alaska · 3803 days ago · 40 km deep · 6 km away
- 3.1115 km SW of Adak, Alaska · 3803 days ago · 38 km deep · 3 km away
- 3.6109 km WSW of Adak, Alaska · 3801 days ago · 44 km deep · 14 km away
- 2.563 km SW of Adak, Alaska · 3800 days ago · 43 km deep · 56 km away
- 1.9131 km W of Adak, Alaska · 3800 days ago · 8 km deep · 61 km away
- 1.9123 km WSW of Adak, Alaska · 3800 days ago · 4 km deep · 55 km away
- 2.0131 km WSW of Adak, Alaska · 3800 days ago · 14 km deep · 57 km away
- 1.8132 km W of Adak, Alaska · 3800 days ago · 13 km deep · 61 km away
The first 60 of 189.
Before
- 2.1131 km WSW of Adak, Alaska · 3821 days ago · 6 km deep · 59 km away
- 1.9133 km WSW of Adak, Alaska · 3821 days ago · 9 km deep · 57 km away
- 3.0130 km WSW of Adak, Alaska · 3821 days ago · 28 km deep · 18 km away
- 2.1141 km WSW of Adak, Alaska · 3821 days ago · 31 km deep · 32 km away
- 1.8126 km SW of Adak, Alaska · 3821 days ago · 21 km deep · 10 km away
- 3.0117 km WSW of Adak, Alaska · 3821 days ago · 36 km deep · 14 km away
- 2.0128 km W of Adak, Alaska · 3821 days ago · 4 km deep · 59 km away
- 1.9131 km WSW of Adak, Alaska · 3822 days ago · 6 km deep · 59 km away
- 3.0125 km W of Adak, Alaska · 3822 days ago · 11 km deep · 64 km away
- 1.7130 km W of Adak, Alaska · 3822 days ago · 19 km deep · 82 km away
- 2.0114 km W of Adak, Alaska · 3822 days ago · 24 km deep · 56 km away
- 1.733 km SSW of Adak, Alaska · 3823 days ago · 33 km deep · 95 km away
- 3.255 km SW of Adak, Alaska · 3823 days ago · 48 km deep · 67 km away
- 2.337 km WSW of Adak, Alaska · 3824 days ago · 51 km deep · 81 km away
- 1.7109 km WSW of Adak, Alaska · 3824 days ago · 52 km deep · 16 km away
- 3.7142 km SSW of Adak, Alaska · 3824 days ago · 30 km deep · 48 km away
- 1.9133 km WSW of Adak, Alaska · 3824 days ago · 14 km deep · 60 km away
- 2.898 km SW of Adak, Alaska · 3824 days ago · 23 km deep · 31 km away
- 2.3101 km SW of Adak, Alaska · 3824 days ago · 26 km deep · 27 km away
- 3.9Andreanof Islands, Aleutian Islands, Alaska · 3824 days ago · 45 km deep · 33 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak01653nyjzu (also filed as ak13487040). Read Sun, Oct 4, 2026, 8:35 PM UTC.