M2.3 earthquake 130 km SW of Adak, Alaska
A magnitude 2.3 earthquake struck 130 km SW of Adak, Alaska on Tue, Dec 31, 2019, 11:30 AM HAST (21:30 UTC), 28 km (17 mi) below the surface.
A larger quake followed: M6.2 84 km W 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
- 2.3 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2019-12-31 21:30:17 UTC
- Depth
- 27.9 km (17.3 mi), shallow
- Epicenter
- 51.166° N, 178.136° 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
- 30
Nearby
Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 68 in the 30 days before it.
After
- 2.6133 km WSW of Adak, Alaska · 2466 days ago · 17 km deep · 38 km away
- 4.8127 km SW of Adak, Alaska · 2465 days ago · 38 km deep · 4 km away · tsunami flag
- 1.9132 km SW of Adak, Alaska · 2465 days ago · 21 km deep · 3 km away
- 2.2195 km WSW of Adak, Alaska · 2465 days ago · 18 km deep · 80 km away
- 2.1130 km WSW of Adak, Alaska · 2465 days ago · 8 km deep · 56 km away
- 1.7131 km SW of Adak, Alaska · 2464 days ago · 13 km deep · 3 km away
- 1.7145 km WSW of Adak, Alaska · 2464 days ago · 23 km deep · 24 km away
- 4.3207 km WSW of Adak, Alaska · 2464 days ago · 44 km deep · 85 km away
- 4.8209 km WSW of Adak, Alaska · 2464 days ago · 41 km deep · 86 km away
- 2.5212 km WSW of Adak, Alaska · 2464 days ago · 23 km deep · 89 km away
- 1.9205 km WSW of Adak, Alaska · 2464 days ago · 25 km deep · 97 km away
- 1.7129 km SW of Adak, Alaska · 2464 days ago · 15 km deep · 2 km away
- 2.6135 km SW of Adak, Alaska · 2463 days ago · 30 km deep · 6 km away
- 1.6126 km WSW of Adak, Alaska · 2463 days ago · 16 km deep · 32 km away
- 2.1171 km WSW of Adak, Alaska · 2463 days ago · 23 km deep · 46 km away
- 2.8152 km SW of Adak, Alaska · 2463 days ago · 10 km deep · 23 km away
- 1.6135 km WSW of Adak, Alaska · 2463 days ago · 25 km deep · 36 km away
- 1.8131 km WSW of Adak, Alaska · 2462 days ago · 12 km deep · 49 km away
- 2.066 km WSW of Adak, Alaska · 2462 days ago · 70 km deep · 71 km away
- 1.6165 km W of Adak, Alaska · 2462 days ago · 10 km deep · 88 km away
- 2.0101 km SW of Adak, Alaska · 2461 days ago · 26 km deep · 33 km away
- 4.8216 km WSW of Adak, Alaska · 2461 days ago · 27 km deep · 92 km away
- 2.1214 km WSW of Adak, Alaska · 2461 days ago · 7 km deep · 90 km away
- 2.4149 km WSW of Adak, Alaska · 2461 days ago · 24 km deep · 27 km away
- 2.0131 km WSW of Adak, Alaska · 2461 days ago · 31 km deep · 18 km away
- 1.874 km WSW of Adak, Alaska · 2461 days ago · 66 km deep · 57 km away
- 1.7103 km SSW of Adak, Alaska · 2461 days ago · 14 km deep · 79 km away
- 1.6111 km WSW of Adak, Alaska · 2461 days ago · 29 km deep · 30 km away
- 1.8127 km SW of Adak, Alaska · 2460 days ago · 10 km deep · 4 km away
- 4.0149 km SW of Adak, Alaska · 2460 days ago · 10 km deep · 23 km away
- 2.0140 km SW of Adak, Alaska · 2458 days ago · 26 km deep · 11 km away
- 1.885 km SW of Adak, Alaska · 2458 days ago · 36 km deep · 46 km away
- 2.2154 km WSW of Adak, Alaska · 2458 days ago · 15 km deep · 55 km away
- 1.977 km WSW of Adak, Alaska · 2458 days ago · 63 km deep · 56 km away
- 2.0139 km WSW of Adak, Alaska · 2458 days ago · 26 km deep · 26 km away
- 2.4159 km SW of Adak, Alaska · 2457 days ago · 21 km deep · 29 km away
- 2.386 km SW of Adak, Alaska · 2457 days ago · 38 km deep · 44 km away
- 1.782 km WSW of Adak, Alaska · 2453 days ago · 45 km deep · 51 km away
- 1.7166 km W of Adak, Alaska · 2453 days ago · 9 km deep · 88 km away
- 1.651 km SSW of Adak, Alaska · 2453 days ago · 48 km deep · 93 km away
- 1.6129 km WSW of Adak, Alaska · 2453 days ago · 10 km deep · 56 km away
- 2.2125 km WSW of Adak, Alaska · 2452 days ago · 9 km deep · 55 km away
- 2.3196 km WSW of Adak, Alaska · 2450 days ago · 67 km deep · 94 km away
- 3.0134 km SW of Adak, Alaska · 2450 days ago · 29 km deep · 6 km away
- 2.2205 km WSW of Adak, Alaska · 2449 days ago · 24 km deep · 96 km away
- 1.980 km SW of Adak, Alaska · 2449 days ago · 35 km deep · 51 km away
- 2.3138 km SW of Adak, Alaska · 2448 days ago · 19 km deep · 11 km away
- 2.0175 km WSW of Adak, Alaska · 2448 days ago · 24 km deep · 56 km away
- 1.6129 km WSW of Adak, Alaska · 2448 days ago · 5 km deep · 59 km away
- 1.9110 km SW of Adak, Alaska · 2447 days ago · 28 km deep · 25 km away
- 1.7130 km SW of Adak, Alaska · 2447 days ago · 21 km deep · 1 km away
- 1.6178 km WSW of Adak, Alaska · 2447 days ago · 25 km deep · 74 km away
- 1.8157 km WSW of Adak, Alaska · 2446 days ago · 13 km deep · 60 km away
- 1.668 km SSW of Adak, Alaska · 2446 days ago · 35 km deep · 76 km away
- 4.2125 km SW of Adak, Alaska · 2446 days ago · 35 km deep · 7 km away
- 2.3133 km WSW of Adak, Alaska · 2446 days ago · 6 km deep · 60 km away
- 4.493 km W of Adak, Alaska · 2445 days ago · 78 km deep · 67 km away
- 1.680 km WSW of Adak, Alaska · 2445 days ago · 39 km deep · 50 km away
- 1.6131 km W of Adak, Alaska · 2445 days ago · 12 km deep · 68 km away
- 1.7192 km WSW of Adak, Alaska · 2444 days ago · 25 km deep · 78 km away
The first 60 of at least 200.
Before
- 1.635 km SW of Adak, Alaska · 2466 days ago · 16 km deep · 95 km away
- 1.6129 km WSW of Adak, Alaska · 2466 days ago · 7 km deep · 46 km away
- 2.480 km SW of Adak, Alaska · 2467 days ago · 39 km deep · 50 km away
- 2.379 km WSW of Adak, Alaska · 2467 days ago · 43 km deep · 52 km away
- 3.0134 km WSW of Adak, Alaska · 2468 days ago · 21 km deep · 35 km away
- 4.169 km SSW of Adak, Alaska · 2470 days ago · 35 km deep · 74 km away
- 1.5110 km WSW of Adak, Alaska · 2472 days ago · 12 km deep · 40 km away
- 1.7168 km W of Adak, Alaska · 2472 days ago · 12 km deep · 92 km away
- 2.5133 km WSW of Adak, Alaska · 2472 days ago · 10 km deep · 31 km away
- 2.1129 km SW of Adak, Alaska · 2472 days ago · 26 km deep · 1 km away
- 2.234 km WSW of Adak, Alaska · 2472 days ago · 78 km deep · 97 km away
- 1.9132 km SW of Adak, Alaska · 2473 days ago · 22 km deep · 3 km away
- 1.9136 km SW of Adak, Alaska · 2473 days ago · 21 km deep · 6 km away
- 1.997 km SSW of Adak, Alaska · 2473 days ago · 25 km deep · 66 km away
- 2.744 km SSW of Adak, Alaska · 2476 days ago · 35 km deep · 93 km away
- 1.768 km S of Adak, Alaska · 2480 days ago · 24 km deep · 92 km away
- 1.549 km SW of Adak, Alaska · 2480 days ago · 23 km deep · 83 km away
- 1.6119 km WSW of Adak, Alaska · 2482 days ago · 14 km deep · 42 km away
- 1.7133 km WSW of Adak, Alaska · 2482 days ago · 7 km deep · 55 km away
- 1.8172 km WSW of Adak, Alaska · 2484 days ago · 22 km deep · 64 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak019grzu8u6. Read Thu, Oct 1, 2026, 12:53 PM UTC.