M1.9 earthquake 269 km WSW of Adak, Alaska
A magnitude 1.9 earthquake struck 269 km WSW of Adak, Alaska on Wed, Oct 28, 2020, 12:49 PM GMT+12 (00:49 UTC), 9 km (6 mi) below the surface.
A larger quake followed: M4.9 182 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
- 2020-10-28 00:49:41 UTC
- Depth
- 9.0 km (5.6 mi), shallow
- Epicenter
- 50.971° N, 179.765° E
- 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: 40 in the 60 days after this one and 52 in the 30 days before it.
After
- 2.9202 km W of Adak, Alaska · 2167 days ago · 107 km deep · 94 km away
- 3.0Rat Islands, Aleutian Islands, Alaska · 2166 days ago · 24 km deep · 55 km away
- 1.8240 km W of Adak, Alaska · 2166 days ago · 64 km deep · 61 km away
- 4.3Andreanof Islands, Aleutian Islands, Alaska · 2164 days ago · 36 km deep · 30 km away
- 2.9182 km WSW of Adak, Alaska · 2162 days ago · 31 km deep · 91 km away
- 1.9205 km WSW of Adak, Alaska · 2160 days ago · 21 km deep · 68 km away
- 2.1299 km W of Adak, Alaska · 2160 days ago · 74 km deep · 96 km away
- 4.7188 km WSW of Adak, Alaska · 2156 days ago · 31 km deep · 82 km away · felt by 1
- 2.0Rat Islands, Aleutian Islands, Alaska · 2156 days ago · 74 km deep · 78 km away
- 1.8252 km WSW of Adak, Alaska · 2152 days ago · 51 km deep · 44 km away
- 1.8291 km W of Adak, Alaska · 2152 days ago · 63 km deep · 70 km away
- 2.9276 km W of Adak, Alaska · 2148 days ago · 84 km deep · 78 km away
- 2.6192 km WSW of Adak, Alaska · 2145 days ago · 33 km deep · 77 km away
- 4.1Rat Islands, Aleutian Islands, Alaska · 2144 days ago · 33 km deep · 80 km away
- 3.0264 km W of Adak, Alaska · 2140 days ago · 113 km deep · 85 km away
- 2.8242 km WSW of Adak, Alaska · 2137 days ago · 35 km deep · 31 km away
- 4.9182 km WSW of Adak, Alaska · 2134 days ago · 37 km deep · 90 km away
- 3.8192 km WSW of Adak, Alaska · 2133 days ago · 31 km deep · 77 km away
- 3.3Rat Islands, Aleutian Islands, Alaska · 2132 days ago · 10 km deep · 84 km away
- 2.7206 km WSW of Adak, Alaska · 2131 days ago · 6 km deep · 78 km away
- 1.8208 km WSW of Adak, Alaska · 2131 days ago · 19 km deep · 66 km away
- 2.7256 km W of Adak, Alaska · 2128 days ago · 69 km deep · 65 km away
- 3.0234 km W of Adak, Alaska · 2126 days ago · 106 km deep · 92 km away
- 3.8260 km WSW of Adak, Alaska · 2126 days ago · 5 km deep · 30 km away
- 3.1Rat Islands, Aleutian Islands, Alaska · 2126 days ago · 64 km deep · 95 km away
- 2.1220 km WSW of Adak, Alaska · 2125 days ago · 19 km deep · 50 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 2125 days ago · 22 km deep · 81 km away
- 1.9200 km WSW of Adak, Alaska · 2125 days ago · 22 km deep · 71 km away
- 4.5221 km WSW of Adak, Alaska · 2123 days ago · 10 km deep · 61 km away
- 2.3180 km WSW of Adak, Alaska · 2122 days ago · 74 km deep · 95 km away
- 3.4214 km WSW of Adak, Alaska · 2122 days ago · 21 km deep · 62 km away
- 2.9191 km WSW of Adak, Alaska · 2120 days ago · 30 km deep · 84 km away
- 3.1241 km WSW of Adak, Alaska · 2120 days ago · 35 km deep · 42 km away
- 2.7192 km WSW of Adak, Alaska · 2118 days ago · 28 km deep · 79 km away
- 3.8289 km WSW of Adak, Alaska · 2118 days ago · 29 km deep · 22 km away
- 2.5240 km WSW of Adak, Alaska · 2118 days ago · 15 km deep · 51 km away
- 3.0254 km WSW of Adak, Alaska · 2112 days ago · 12 km deep · 16 km away
- 3.1253 km WSW of Adak, Alaska · 2110 days ago · 10 km deep · 16 km away
- 3.0183 km WSW of Adak, Alaska · 2109 days ago · 35 km deep · 89 km away
- 3.9191 km WSW of Adak, Alaska · 2108 days ago · 83 km deep · 80 km away
Before
- 2.9240 km WSW of Adak, Alaska · 2167 days ago · 18 km deep · 32 km away
- 2.6265 km W of Adak, Alaska · 2167 days ago · 81 km deep · 79 km away
- 1.5Rat Islands, Aleutian Islands, Alaska · 2167 days ago · 16 km deep · 38 km away
- 2.0208 km WSW of Adak, Alaska · 2168 days ago · 13 km deep · 63 km away
- 1.7201 km WSW of Adak, Alaska · 2168 days ago · 5 km deep · 71 km away
- 2.5244 km WSW of Adak, Alaska · 2168 days ago · 22 km deep · 26 km away
- 1.8234 km WSW of Adak, Alaska · 2169 days ago · 15 km deep · 36 km away
- 1.9Rat Islands, Aleutian Islands, Alaska · 2169 days ago · 46 km deep · 95 km away
- 3.6Rat Islands, Aleutian Islands, Alaska · 2169 days ago · 18 km deep · 100 km away
- 4.1Rat Islands, Aleutian Islands, Alaska · 2169 days ago · 10 km deep · 97 km away
- 2.5Rat Islands, Aleutian Islands, Alaska · 2169 days ago · 127 km deep · 95 km away
- 2.7189 km W of Adak, Alaska · 2170 days ago · 96 km deep · 93 km away
- 1.8196 km WSW of Adak, Alaska · 2175 days ago · 20 km deep · 76 km away
- 1.8179 km WSW of Adak, Alaska · 2176 days ago · 25 km deep · 90 km away
- 1.9Rat Islands, Aleutian Islands, Alaska · 2176 days ago · 78 km deep · 95 km away
- 2.9192 km WSW of Adak, Alaska · 2177 days ago · 25 km deep · 78 km away
- 2.0225 km W of Adak, Alaska · 2179 days ago · 100 km deep · 94 km away
- 1.8283 km W of Adak, Alaska · 2180 days ago · 64 km deep · 67 km away
- 2.8282 km W of Adak, Alaska · 2180 days ago · 68 km deep · 63 km away
- 1.8252 km WSW of Adak, Alaska · 2181 days ago · 13 km deep · 54 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak020dvglefz. Read Sat, Oct 3, 2026, 3:39 PM UTC.