M2.4 earthquake 231 km W of Adak, Alaska
A magnitude 2.4 earthquake struck 231 km W of Adak, Alaska on Wed, Oct 23, 2019, 3:24 PM HADT (00:24 UTC), 165 km (102 mi) below the surface.
A larger quake followed: M4.5 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.4 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2019-10-24 00:24:18 UTC
- Depth
- 164.5 km (102.2 mi), intermediate-depth
- Epicenter
- 51.943° N, 179.998° 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
- 21
Nearby
Within 100 km, magnitude 1.5 and up: 51 in the 60 days after this one and 41 in the 30 days before it.
After
- 2.4281 km W of Adak, Alaska · 2534 days ago · 100 km deep · 52 km away
- 1.6189 km W of Adak, Alaska · 2534 days ago · 13 km deep · 44 km away
- 2.1276 km W of Adak, Alaska · 2530 days ago · 60 km deep · 64 km away
- 2.0256 km WSW of Adak, Alaska · 2528 days ago · 38 km deep · 73 km away
- 1.9146 km W of Adak, Alaska · 2527 days ago · 11 km deep · 89 km away
- 2.3Rat Islands, Aleutian Islands, Alaska · 2526 days ago · 75 km deep · 79 km away
- 2.4288 km WSW of Adak, Alaska · 2526 days ago · 56 km deep · 76 km away
- 2.1237 km W of Adak, Alaska · 2524 days ago · 82 km deep · 30 km away
- 1.8171 km WSW of Adak, Alaska · 2524 days ago · 74 km deep · 79 km away
- 1.8266 km WSW of Adak, Alaska · 2522 days ago · 46 km deep · 73 km away
- 2.1279 km WSW of Adak, Alaska · 2521 days ago · 57 km deep · 71 km away
- 2.1190 km WSW of Adak, Alaska · 2521 days ago · 65 km deep · 70 km away
- 2.0Rat Islands, Aleutian Islands, Alaska · 2521 days ago · 39 km deep · 97 km away
- 1.6290 km WSW of Adak, Alaska · 2520 days ago · 43 km deep · 79 km away
- 2.1266 km WSW of Adak, Alaska · 2519 days ago · 62 km deep · 63 km away
- 2.0196 km WSW of Adak, Alaska · 2517 days ago · 22 km deep · 83 km away
- 2.1254 km WSW of Adak, Alaska · 2517 days ago · 14 km deep · 97 km away
- 2.1226 km W of Adak, Alaska · 2516 days ago · 129 km deep · 6 km away
- 2.9293 km W of Adak, Alaska · 2516 days ago · 31 km deep · 79 km away
- 2.0Andreanof Islands, Aleutian Islands, Alaska · 2515 days ago · 3 km deep · 86 km away
- 2.1248 km WSW of Adak, Alaska · 2515 days ago · 12 km deep · 98 km away
- 1.8261 km W of Adak, Alaska · 2514 days ago · 17 km deep · 31 km away
- 1.9270 km W of Adak, Alaska · 2514 days ago · 63 km deep · 62 km away
- 2.1268 km W of Adak, Alaska · 2512 days ago · 67 km deep · 55 km away
- 2.0226 km W of Adak, Alaska · 2512 days ago · 69 km deep · 43 km away
- 1.5144 km WSW of Adak, Alaska · 2510 days ago · 14 km deep · 97 km away
- 2.0171 km W of Adak, Alaska · 2509 days ago · 7 km deep · 64 km away
- 2.6219 km WSW of Adak, Alaska · 2509 days ago · 18 km deep · 62 km away
- 2.9266 km WSW of Adak, Alaska · 2508 days ago · 35 km deep · 84 km away
- 2.8298 km W of Adak, Alaska · 2508 days ago · 75 km deep · 73 km away
- 2.0Andreanof Islands, Aleutian Islands, Alaska · 2505 days ago · 13 km deep · 73 km away
- 2.7227 km W of Adak, Alaska · 2502 days ago · 109 km deep · 30 km away
- 2.8265 km WSW of Adak, Alaska · 2500 days ago · 61 km deep · 65 km away
- 2.6272 km WSW of Adak, Alaska · 2500 days ago · 50 km deep · 75 km away
- 2.2256 km W of Adak, Alaska · 2499 days ago · 82 km deep · 31 km away
- 2.7226 km W of Adak, Alaska · 2499 days ago · 105 km deep · 27 km away
- 3.1199 km WSW of Adak, Alaska · 2498 days ago · 27 km deep · 99 km away
- 3.8262 km W of Adak, Alaska · 2498 days ago · 191 km deep · 32 km away
- 3.0176 km W of Adak, Alaska · 2494 days ago · 80 km deep · 69 km away
- 2.8169 km WSW of Adak, Alaska · 2491 days ago · 98 km deep · 85 km away
- 2.1207 km W of Adak, Alaska · 2491 days ago · 13 km deep · 42 km away
- 2.3199 km WSW of Adak, Alaska · 2490 days ago · 26 km deep · 95 km away
- 4.4170 km W of Adak, Alaska · 2489 days ago · 86 km deep · 73 km away
- 2.4136 km W of Adak, Alaska · 2489 days ago · 151 km deep · 96 km away
- 2.4Rat Islands, Aleutian Islands, Alaska · 2488 days ago · 81 km deep · 86 km away
- 4.5Rat Islands, Aleutian Islands, Alaska · 2487 days ago · 61 km deep · 95 km away
- 1.9172 km W of Adak, Alaska · 2485 days ago · 7 km deep · 65 km away
- 1.8172 km WSW of Adak, Alaska · 2484 days ago · 22 km deep · 94 km away
- 2.1Rat Islands, Aleutian Islands, Alaska · 2482 days ago · 43 km deep · 99 km away
- 2.3Rat Islands, Aleutian Islands, Alaska · 2477 days ago · 42 km deep · 96 km away
- 3.5222 km W of Adak, Alaska · 2475 days ago · 107 km deep · 30 km away
Before
- 1.8Rat Islands, Aleutian Islands, Alaska · 2535 days ago · 76 km deep · 74 km away
- 2.3254 km W of Adak, Alaska · 2535 days ago · 138 km deep · 23 km away
- 2.1246 km W of Adak, Alaska · 2537 days ago · 8 km deep · 15 km away
- 1.6156 km WSW of Adak, Alaska · 2537 days ago · 16 km deep · 96 km away
- 2.0158 km W of Adak, Alaska · 2539 days ago · 76 km deep · 84 km away
- 1.8165 km WSW of Adak, Alaska · 2539 days ago · 16 km deep · 95 km away
- 1.5171 km WSW of Adak, Alaska · 2539 days ago · 15 km deep · 88 km away
- 2.0Rat Islands, Aleutian Islands, Alaska · 2539 days ago · 101 km deep · 99 km away
- 2.4266 km WSW of Adak, Alaska · 2540 days ago · 54 km deep · 78 km away
- 2.1236 km WSW of Adak, Alaska · 2540 days ago · 14 km deep · 99 km away
- 1.8250 km WSW of Adak, Alaska · 2540 days ago · 13 km deep · 70 km away
- 3.1273 km WSW of Adak, Alaska · 2541 days ago · 64 km deep · 66 km away
- 2.0147 km W of Adak, Alaska · 2546 days ago · 102 km deep · 89 km away
- 2.2197 km W of Adak, Alaska · 2546 days ago · 89 km deep · 49 km away
- 2.9185 km WSW of Adak, Alaska · 2546 days ago · 27 km deep · 90 km away
- 3.3233 km W of Adak, Alaska · 2548 days ago · 17 km deep · 24 km away
- 1.9199 km WSW of Adak, Alaska · 2548 days ago · 17 km deep · 83 km away
- 2.0Rat Islands, Aleutian Islands, Alaska · 2549 days ago · 45 km deep · 84 km away
- 2.4219 km W of Adak, Alaska · 2549 days ago · 224 km deep · 31 km away
- 2.4261 km W of Adak, Alaska · 2549 days ago · 150 km deep · 30 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak019dn6r9al. Read Thu, Oct 1, 2026, 8:07 PM UTC.