M1.8 earthquake 129 km WSW of Adak, Alaska
A magnitude 1.8 earthquake struck 129 km WSW of Adak, Alaska on Wed, Oct 28, 2020, 6:31 AM HADT (15:31 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.0 124 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
- 1.8 (ml), micro
- Local time
- UTC
- 2020-10-28 15:31:30 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 51.282° N, 178.245° 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
- 22
Nearby
Within 100 km, magnitude 1.5 and up: 131 in the 60 days after this one and 76 in the 30 days before it.
After
- 2.8138 km WSW of Adak, Alaska · 2160 days ago · 16 km deep · 9 km away
- 1.9147 km WSW of Adak, Alaska · 2160 days ago · 26 km deep · 18 km away
- 2.188 km SW of Adak, Alaska · 2158 days ago · 35 km deep · 43 km away
- 2.867 km SSW of Adak, Alaska · 2156 days ago · 35 km deep · 87 km away
- 2.9182 km WSW of Adak, Alaska · 2156 days ago · 31 km deep · 53 km away
- 1.9167.8 km E of Adak, AK · 2155 days ago · 8 km deep · 75 km away
- 1.881 km WSW of Adak, Alaska · 2155 days ago · 75 km deep · 58 km away
- 1.8129 km WSW of Adak, Alaska · 2154 days ago · 43 km deep · 5 km away
- 1.9205 km WSW of Adak, Alaska · 2154 days ago · 21 km deep · 76 km away
- 2.1161 km W of Adak, Alaska · 2154 days ago · 90 km deep · 72 km away
- 3.1123 km WSW of Adak, Alaska · 2153 days ago · 34 km deep · 7 km away
- 2.6146 km WSW of Adak, Alaska · 2153 days ago · 32 km deep · 18 km away
- 2.838 km WSW of Adak, Alaska · 2152 days ago · 81 km deep · 91 km away
- 1.8120 km SW of Adak, Alaska · 2151 days ago · 26 km deep · 23 km away
- 2.197 km WSW of Adak, Alaska · 2151 days ago · 58 km deep · 32 km away
- 2.0119 km SW of Adak, Alaska · 2150 days ago · 26 km deep · 23 km away
- 4.7188 km WSW of Adak, Alaska · 2150 days ago · 31 km deep · 61 km away · felt by 1
- 1.982 km WSW of Adak, Alaska · 2149 days ago · 73 km deep · 55 km away
- 1.7101 km SW of Adak, Alaska · 2146 days ago · 26 km deep · 37 km away
- 1.788 km SW of Adak, Alaska · 2146 days ago · 25 km deep · 47 km away
- 1.9121 km WSW of Adak, Alaska · 2146 days ago · 24 km deep · 11 km away
- 1.757 km SSW of Adak, Alaska · 2145 days ago · 46 km deep · 83 km away
- 1.9156 km WSW of Adak, Alaska · 2145 days ago · 20 km deep · 27 km away
- 1.6130 km WSW of Adak, Alaska · 2144 days ago · 7 km deep · 35 km away
- 2.1130 km WSW of Adak, Alaska · 2144 days ago · 7 km deep · 37 km away
- 1.9153 km WSW of Adak, Alaska · 2144 days ago · 21 km deep · 24 km away
- 1.9154 km WSW of Adak, Alaska · 2144 days ago · 60 km deep · 38 km away
- 2.9136 km WSW of Adak, Alaska · 2144 days ago · 33 km deep · 7 km away
- 1.9131 km WSW of Adak, Alaska · 2144 days ago · 10 km deep · 36 km away
- 3.1128 km SW of Adak, Alaska · 2143 days ago · 29 km deep · 14 km away
- 2.581 km W of Adak, Alaska · 2143 days ago · 4 km deep · 69 km away
- 1.9158 km W of Adak, Alaska · 2143 days ago · 7 km deep · 67 km away
- 1.7103 km WSW of Adak, Alaska · 2142 days ago · 32 km deep · 31 km away
- 2.690 km WSW of Adak, Alaska · 2142 days ago · 74 km deep · 45 km away
- 2.0135 km WSW of Adak, Alaska · 2140 days ago · 26 km deep · 19 km away
- 2.6192 km WSW of Adak, Alaska · 2139 days ago · 33 km deep · 70 km away
- 3.6161 km SW of Adak, Alaska · 2139 days ago · 35 km deep · 33 km away
- 2.0130 km WSW of Adak, Alaska · 2139 days ago · 25 km deep · 11 km away
- 1.9139 km SW of Adak, Alaska · 2138 days ago · 27 km deep · 13 km away
- 1.754 km SSW of Adak, Alaska · 2137 days ago · 28 km deep · 94 km away
- 2.1122 km WSW of Adak, Alaska · 2137 days ago · 17 km deep · 8 km away
- 1.869 km WSW of Adak, Alaska · 2137 days ago · 56 km deep · 60 km away
- 2.885 km SW of Adak, Alaska · 2137 days ago · 35 km deep · 47 km away
- 1.8102 km WSW of Adak, Alaska · 2136 days ago · 52 km deep · 27 km away
- 1.7Andreanof Islands, Aleutian Islands, Alaska · 2136 days ago · 10 km deep · 35 km away
- 2.5133 km W of Adak, Alaska · 2136 days ago · 173 km deep · 89 km away
- 1.851 km SW of Adak, Alaska · 2135 days ago · 32 km deep · 83 km away
- 1.7171 km W of Adak, Alaska · 2134 days ago · 7 km deep · 72 km away
- 1.878 km W of Adak, Alaska · 2134 days ago · -2 km deep · 72 km away
- 2.078 km W of Adak, Alaska · 2134 days ago · 5 km deep · 71 km away
- 1.878 km W of Adak, Alaska · 2134 days ago · 4 km deep · 72 km away
- 1.581 km W of Adak, Alaska · 2133 days ago · 6 km deep · 71 km away
- 2.8157 km WSW of Adak, Alaska · 2132 days ago · 33 km deep · 28 km away
- 1.868 km SSW of Adak, Alaska · 2131 days ago · 26 km deep · 82 km away
- 1.676 km WSW of Adak, Alaska · 2130 days ago · 37 km deep · 53 km away
- 2.941 km SW of Adak, Alaska · 2130 days ago · 60 km deep · 92 km away
- 2.7104 km SW of Adak, Alaska · 2128 days ago · 35 km deep · 28 km away
- 4.9182 km WSW of Adak, Alaska · 2128 days ago · 37 km deep · 53 km away
- 2.559 km SSW of Adak, Alaska · 2128 days ago · 38 km deep · 82 km away
- 3.8192 km WSW of Adak, Alaska · 2127 days ago · 31 km deep · 67 km away
The first 60 of 131.
Before
- 2.961 km SSW of Adak, Alaska · 2160 days ago · 35 km deep · 83 km away
- 3.1128 km WSW of Adak, Alaska · 2160 days ago · 30 km deep · 4 km away
- 4.3156 km WSW of Adak, Alaska · 2161 days ago · 35 km deep · 41 km away
- 2.0208 km WSW of Adak, Alaska · 2162 days ago · 13 km deep · 86 km away
- 1.7201 km WSW of Adak, Alaska · 2162 days ago · 5 km deep · 73 km away
- 2.9156 km WSW of Adak, Alaska · 2162 days ago · 28 km deep · 27 km away
- 2.7159 km WSW of Adak, Alaska · 2162 days ago · 29 km deep · 30 km away
- 1.7161 km WSW of Adak, Alaska · 2163 days ago · 25 km deep · 32 km away
- 1.6135 km WSW of Adak, Alaska · 2163 days ago · 25 km deep · 23 km away
- 1.8137 km WSW of Adak, Alaska · 2164 days ago · 17 km deep · 8 km away
- 2.7189 km W of Adak, Alaska · 2164 days ago · 96 km deep · 84 km away
- 2.3146 km W of Adak, Alaska · 2165 days ago · 104 km deep · 77 km away
- 3.0194 km SSW of Adak, Alaska · 2166 days ago · 36 km deep · 97 km away
- 1.874 km W of Adak, Alaska · 2166 days ago · 11 km deep · 70 km away
- 2.1125 km W of Adak, Alaska · 2166 days ago · 9 km deep · 67 km away
- 1.9129 km W of Adak, Alaska · 2167 days ago · 15 km deep · 50 km away
- 1.8127 km W of Adak, Alaska · 2168 days ago · 13 km deep · 63 km away
- 2.878 km SW of Adak, Alaska · 2168 days ago · 29 km deep · 53 km away
- 2.8139 km WSW of Adak, Alaska · 2168 days ago · 31 km deep · 20 km away
- 1.567 km W of Adak, Alaska · 2169 days ago · 13 km deep · 82 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak020dvpf0rt. Read Sun, Sep 27, 2026, 3:06 PM UTC.