| Date | Time (UT) | Latitude | Longitude | Depth (km) | Magnitude | State/Province | ID | Details | |
| 2012/01/04 | 16:25:37 | 59.076 | -138.025 | 9.9 | 4.2 | Alaska | ak0126vtr8t | 20120104162537 Mechanism | |
| 2012/01/28 | 18:11:38 | 63.586 | -147.417 | 6.0 | 3.9 | Alaska | ak0121altyj4 | 20120128181138 Mechanism | |
| 2012/01/30 | 23:39:47 | 37.945 | -77.983 | 3.2 | 3.1 | Virginia | se609654 | 20120130233947 Mechanism | |
| 2012/02/04 | 11:27:04 | 40.012 | -111.507 | 12.7 | 3.64 | Utah | uu50434775 | 20120204112704 Mechanism | |
| 2012/02/12 | 04:19:00 | 36.829 | -114.642 | 6.1 | 2.86 | Utah | ci11065877 | 20120212041900 Mechanism | |
| 2012/02/19 | 07:12:29 | 37.913 | -77.984 | 2.8 | 2.7 | Virginia | se609656 | 20120219071229 Mechanism | |
| 2012/02/21 | 09:58:43 | 36.873 | -89.423 | 7.8 | 3.9 | Missouri | nm609348 | 20120221095843 Mechanism | |
| 2012/03/02 | 23:29:22 | 64.263 | -128.674 | 20.0 | 4.7 | NWT, Canada | usp000jfq9 | 20120302232922 Mechanism | |
| 2012/03/08 | 10:57:42 | 61.007 | -150.914 | 10.0 | 4.0 | Alaska | ak01234mu8s7 | 20120308105742 Mechanism | |
| 2012/03/20 | 02:17:46 | 38.416 | -118.715 | 3.4 | 3.5 | Nevada | nn00371697 | 20120320021746 Mechanism | |
| 2012/03/21 | 07:42:02 | 61.309 | -150.065 | 45.4 | 3.8 | Alaska | ak0123q2y5io | 20120321074202 Mechanism | |
| 2012/03/26 | 03:21:51 | 37.906 | -77.988 | 8.7 | 3 | Virginia | se609674 | 20120326032151 Mechanism | |
| 2012/04/12 | 03:29:22 | 37.818 | -112.103 | 14.8 | 4.18 | Utah | uu50437705 | 20120412032922 Mechanism | |
| 2012/04/16 | 08:12:00 | 35.530 | -96.759 | 4.4 | 3.8 | Oklahoma | usp000jj26 | 20120416081200 Mechanism | |
| 2012/05/10 | 01:18:30 | 43.112 | -110.457 | 5.0 | 3.6 | Wyoming | usp000jk88 | 20120510011830 Mechanism | |
| 2012/05/10 | 15:15:39 | 31.964 | -94.465 | 7.0 | 3.9 | Texas | usp000jk92 | 20120510151539 Mechanism | |
| 2012/05/17 | 08:12:01 | 31.926 | -94.369 | 5.0 | 4.8 | Texas | usp000jkhb | 20120517081201 Mechanism | |
| 2012/06/05 | 11:19:36 | 62.402 | -152.689 | 6.1 | 4.2 | Alaska | ak01277u1emm | 20120605111936 Mechanism | |
| 2012/06/08 | 18:27:36 | 62.226 | -147.875 | 40.4 | 4.2 | Alaska | ak0127cwv72m | 20120608182736 Mechanism | |
| 2012/06/23 | 03:51:56 | 39.318 | -119.990 | 6.4 | 4.2 | Nevada | nn00380267 | 20120623035156 Mechanism | |
| 2012/06/25 | 04:04:56 | 47.349 | -113.135 | 23.8 | 3.4 | Montana | usp000jn74 | 20120625040456 Mechanism | |
| 2012/06/27 | 08:19:03 | 65.966 | -150.187 | 13.6 | 3.8 | Alaska | ak0128862o7b | 20120627081903 Mechanism | |
| 2012/06/28 | 05:58:57 | 62.465 | -148.315 | 56.4 | 3.5 | Alaska | ak01289s26wj | 20120628055857 Mechanism | |
| 2012/07/06 | 01:22:04 | 61.677 | -151.274 | 84.8 | 4.7 | Alaska | ak0128mxrejd | 20120706012204 Mechanism | |
| 2012/07/08 | 11:13:38 | 52.041 | -60.863 | 11.0 | 3.8 | Labrador, Canada | usp000jnrv | 20120708111338 Mechanism | |
| 2012/07/10 | 04:06:54 | 63.439 | -149.394 | 104.0 | 4.2 | Alaska | ak0128tllrpw | 20120710040654 Mechanism | |
| 2012/07/13 | 19:53:17 | 41.903 | -111.913 | 5.7 | 3.53 | Utah | uu50440970 | 20120713195317 Mechanism | |
| 2012/07/31 | 10:27:28 | 39.011 | -111.484 | 7.4 | 3.66 | Utah | uu50441720 | 20120731102728 Mechanism | |
| 2012/08/07 | 05:07:15 | 44.753 | -111.095 | 10.2 | 3.19 | Montana | uu50443920 | 20120807050715 Mechanism | |
| 2012/08/07 | 10:24:57 | 63.344 | -145.184 | 5.4 | 4.2 | Alaska | ak012a40byc4 | 20120807102457 Mechanism | |
| 2012/08/09 | 16:43:25 | 60.352 | -147.541 | 0.7 | 4.8 | Alaska | ak012a7f38y5 | 20120809164325 Mechanism | |
| 2012/08/24 | 21:58:09 | 63.920 | -148.396 | 10.8 | 3.7 | Alaska | ak012awb7szn | 20120824215809 Mechanism | |
| 2012/08/28 | 15:34:57 | 63.529 | -147.741 | 12.7 | 4.1 | Alaska | ak012b2tnjvj | 20120828153457 Mechanism | |
| 2012/08/29 | 12:50:55 | 60.334 | -150.735 | 65.8 | 4.4 | Alaska | ak012b4fi0t8 | 20120829125055 Mechanism | |
| 2012/08/31 | 05:03:55 | 65.971 | -147.755 | 12.6 | 4.1 | Alaska | ak012b7m4lyf | 20120831050355 Mechanism | |
| 2012/09/01 | 10:57:34 | 66.836 | -135.612 | 20.0 | 4 | Yukon, Canada | usp000jrdv | 20120901105734 Mechanism | |
| 2012/09/05 | 22:52:51 | 44.777 | -110.932 | 8.7 | 3.51 | Wyoming | uu50443120 | 20120905225251 Mechanism | |
| 2012/09/11 | 05:55:17 | 41.265 | -117.453 | 0.0 | 3.9 | Nevada | nn00388285 | 20120911055517 Mechanism | |
| 2012/09/13 | 05:58:04 | 59.6219 | -153.1592 | 104.1 | 4.2 | Alaska | ak012bt4fssk | 20120913055804 Mechanism | |
| 2012/09/18 | 01:44:49 | 56.937 | -154.142 | 38.6 | 5.2 | Alaska | ak012c1bnwdr | 20120918014449 Mechanism | |
| 2012/10/03 | 19:51:09 | 39.724 | -119.436 | 10.9 | 3.8 | Nevada | nn00390140 | 20121003195109 Mechanism | |
| 2012/10/16 | 23:12:22 | 43.597 | -70.656 | 16.1 | 4.67 | Maine | ld60036706 | 20121016231222 Mechanism | |
| 2012/10/25 | 12:57:36 | 63.779 | -148.363 | 10.9 | 3.5 | Alaska | ak012dqp69i0 | 20121025125736 Mechanism | |
| 2012/10/30 | 22:02:46 | 61.493 | -150.722 | 65.0 | 4.3 | Alaska | ak012dz4hkhx | 20121030220246 Mechanism | |
| 2012/10/31 | 02:57:43 | 62.0497 | -146.5462 | 42.5 | 4.4 | Alaska | ak012e0gg0z0 | 20121031025743 Mechanism | |
| 2012/11/10 | 17:08:12 | 37.139 | -83.054 | 17.0 | 4.2 | Kentucky | se609737 | 20121110170812 Mechanism | |
| 2012/12/01 | 08:00:57 | 58.423 | -154.118 | 84.7 | 5.4 | Alaska | ak012fftc799 | 20121201080057 Mechanism | |
| 2012/12/04 | 01:42:48 | 61.240 | -150.768 | 63.7 | 5.8 | Alaska | ak012fko16th | 20121204014248 Mechanism | |
| 2012/12/04 | 15:15:26 | 37.033 | -104.938 | 5.0 | 3.5 | Colorado | usp000jweu | 20121204151526 Mechanism | |
| 2012/12/11 | 05:12:20 | 68.093 | -136.372 | 10.0 | 4.9 | Yukon, Canada | usp000jwtz | 20121211051220 Mechanism | |
| 2012/12/18 | 03:17:57 | 63.514 | -150.904 | 10.0 | 3.6 | Alaska | ak012g7ulkni | 20121218031757 Mechanism | |
| 2012/12/24 | 17:28:25 | 61.243 | -150.764 | 64.4 | 4.4 | Alaska | ak012gi080jr | 20121224172825 Mechanism | |
| 2012/12/31 | 11:38:28 | 61.560 | -141.142 | 10.9 | 4 | Alaska | ak012gthgzoe | 20121231113828 Mechanism | |