Date Time (UT) Latitude Longitude Depth (km) Magnitude State/Province Felt










2023/01/01 09:06:48 17.927 -66.915 14.0 3.8 Puerto Rico ? 20230101090648 Mechanism
2023/01/04 16:10:39 65.358 -145.075 6.1 3.8 Alaska ? 20230104161039 Mechanism
2023/01/11 07:00:47 60.155 -141.061 5.0 4.5 Alaska ? 20230111070047 Mechanism
2023/01/16 17:43:27 61.719 -149.572 25.4 4.6 Alaska ? 20230116174327 Mechanism
2023/01/17 04:48:15 58.130 -137.505 16.0 4.4 Alaska ? 20230117044815 Mechanism
2023/01/24 19:57:04 31.681 -104.387 6.3 3.5 Texas ? 20230124195704 Mechanism
2023/01/30 09:02:46 61.531 -140.705 5.0 4.5 Yukon, Canada ? 20230130090246 Mechanism
2023/01/30 19:28:52 45.747 -110.586 5.0 4.1 Montana ? 20230130192852 Mechanism
2023/02/02 14:48:25 61.072 -152.141 100.5 4.7 Alaska ? 20230202144825 Mechanism
2023/02/03 02:53:15 61.480 -140.718 5.0 4.1 Yukon, Canada ? 20230203025315 Mechanism
2023/02/11 20:27:18 32.751 -100.553 8.9 3.5 Texas ? 20230211202718 Mechanism
2023/02/12 01:22:17 43.534 -110.398 5.0 3.5 Wyoming ? 20230212012217 Mechanism
2023/02/16 10:29:05 32.752 -100.637 1.8 4.3 Texas ? 20230216102905 Mechanism
2023/02/16 23:32:34 61.534 -150.555 61.5 3.9 Alaska ? 20230216233234 Mechanism
2023/02/18 12:00:25 62.867 -148.190 66.7 3.8 Alaska ? 20230218120025 Mechanism
2023/02/19 01:46:57 59.392 -153.058 81.7 4.0 Alaska ? 20230219014657 Mechanism
2023/02/19 15:32:54 63.251 -150.555 135.4 3.7 Alaska ? 20230219153254 Mechanism
2023/02/19 19:51:50 63.542 -157.898 13.9 3.4 Alaska ? 20230219195150 Mechanism
2023/02/20 05:34:16 58.930 -154.529 130.0 4.2 Alaska ? 20230220053416 Mechanism
2023/02/22 07:44:10 31.673 -104.374 6.1 4.1 Texas ? 20230222074410 Mechanism
2023/02/22 08:51:24 31.669 -104.368 6.5 3.9 Texas ? 20230222085124 Mechanism
2023/02/28 23:26:08 31.613 -103.990 8.5 4.1 Texas ? 20230228232608 Mechanism
2023/03/02 06:56:29 63.902 -153.268 21.5 4.3 Alaska ? 20230302065629 Mechanism
2023/03/07 09:36:44 31.664 -104.354 6.2 3.6 Texas ? 20230307093644 Mechanism
2023/03/08 07:32:55 61.329 -140.606 10.0 4.5 Yukon, Canada ? 20230308073255 Mechanism
2023/03/08 17:24:25 61.475 -149.428 40.4 3.9 Alaska ? 20230308172425 Mechanism
2023/03/10 06:06:47 37.198 -104.698 1.8 4.3 Colorado ? 20230310060647 Mechanism
2023/03/10 20:31:36 37.176 -104.728 6.1 3.9 Colorado ? 20230310203136 Mechanism
2023/03/12 03:03:57 44.627 -116.080 14.9 3.9 Idaho ? 20230312030357 Mechanism
2023/03/14 04:22:45 37.209 -104.738 9.0 3.6 Colorado ? 20230314042245 Mechanism
2023/03/15 07:51:46 17.929 -66.957 7.0 4.2 Puerto Rico ? 20230315075146 Mechanism
2023/03/16 14:46:18 56.113 -116.613 9.8 4.8 Alberta, Canada ? 20230316144618 Mechanism
2023/03/16 14:59:10 56.095 -116.623 10.0 5.0 Alberta, Canada ? 20230316145910 Mechanism
2023/03/19 11:10:10 37.282 -104.441 4.2 3.8 Colorado ? 20230319111010 Mechanism
2023/03/19 15:06:27 59.610 -151.907 65.4 5.4 Alaska ? 20230319150627 Mechanism
2023/03/22 09:59:13 58.108 -137.543 16.0 3.8 Alaska ? 20230322095913 Mechanism
2023/03/22 14:34:05 58.189 -137.358 16.6 3.9 Alaska ? 20230322143405 Mechanism










Note: "SW Study only" means that the earthquake was processed for the purpose of obtaining group velocities for tomographic studies. In the case of earthquakes in California, the definitive source parameters are obtained from the California Integrated Seismic Network.