| Date | Time (UT) | Latitude | Longitude | Depth (km) | Magnitude | State/Province | Felt | Mechanism | |
| 2004/01/07 | 07:51:37 | 43.57 | -110.38 | 11.0 | 4.80 | Wyoming | Y | 20040107075138 Mechanism | |
| 2004/01/07 | 08:44:21 | 43.61 | -110.31 | 12.0 | 4.0 | Wyoming | Y | 20040107084421 Mechanism | |
| 2004/01/07 | 09:23:46 | 43.60 | -110.34 | 15.0 | 3.89 | Wyoming | Y | 20040107092347 Mechanism | |
| 2004/03/16 | 06:38:32 | 36.81 | -121.52 | 6.0 | 4.3 | California | Y | 20040316063832 Mechanism | |
| 2004/03/17 | 23:53:07 | 35.74 | -121.08 | 2.0 | 4.5 | California | Y | 20040317235307 Mechanism | |
| 2004/03/22 | 12:09:56 | 36.85 | -104.85 | 5.0 | 4.4 | New Mexico | Y | 20040322120956 Mechanism | |
| 2004/04/07 | 15:54:12 | 43.61 | -110.36 | 5 | 4.0 | Wyoming | ? | 20040407155412 Mechanism | |
| 2004/05/16 | 01:29:40 | 37.27 | -114.96 | 0.0 | 4.0 | Nevada | Y | 20040516012940 Mechanism | |
| 2004/05/23 | 09:22:05 | 32.53 | -104.56 | 5.0 | 4.1 | New Mexico | Y | 20040523092205 Mechanism | |
| 2004/06/15 | 08:34:21 | 36.73 | -89.68 | 4.5 | 3.7 | Missouri | Y | 20040615083421 Mechanism | |
| 2004/06/22 | 08:55:28 | 32.53 | -104.58 | 2.0 | 3.7 | New Mexico | Y | 20040622085528 Mechanism | |
| 2004/06/27 | 07:00:13 | 42.2 | -120.29 | 5.0 | 4.10 | Oregon | ? | 20040627070013 Mechanism | |
| 2004/06/28 | 06:10:51 | 41.44 | -88.96 | 5.0 | 4.5 | Illinois | Y | 20040628061052 Mechanism | |
| 2004/06/30 | 12:21:45 | 42.18 | -120.30 | 5.0 | 4.4 | Oregon | Y | 20040630122145 Mechanism | |
| 2004/07/12 | 16:45:00 | 44.3290 | -124.4900 | 29.0 | 4.90 | Oregon | y | 20040712164500 Mechanism | |
| 2004/07/16 | 03:25:17 | 36.86 | -89.17 | 4.0 | 3.6 | Kentucky | Y | 20040716032517 Mechanism | |
| 2004/07/16 | 12:17:30 | 40.63 | -95.56 | 12.0 | 3.6 | Iowa | Y | 20040716121730 Mechanism | |
| 2004/07/22 | 20:26:27 | 42.1920 | -120.2960 | 5.0 | 4.30 | Oregon | y | 20040722202627 Mechanism | |
| 2004/08/01 | 06:50:46 | 36.89 | -104.92 | 4.0 | 4.27 | New Mexico | Y | 20040801065046 Mechanism | |
| 2004/08/04 | 23:55:26 | 43.69 | -78.25 | 3.0 | 3.18 | Ontario - New York | Y | 20040804235526 Mechanism | |
| 2004/08/14 | 20:14:43 | 43.17 | -111.02 | 2.3 | 3.6 | Wyoming | Y | 20040814201443 Mechanism | |
| 2004/08/16 | 21:05:54 | 46.68 | -121.50 | 6.8 | 4.0 | Washington | Y | 20040816210554 Mechanism | |
| 2004/08/19 | 06:06:03 | 44.66 | -124.31 | 23 | 4.6 | Oregon | Y | 20040819060603 Mechanism | |
| 2004/08/19 | 23:51:49 | 33.18 | -86.92 | 4 | 3.6 | Alabama | Y | 20040819235149 Mechanism | |
| 2004/08/26 | 23:11:37 | 64.76 | -86.28 | 18 | 5.0 | Canada | ? | 20040826231137 Mechanism | |
| 2004/09/12 | 13:05:19 | 39.62 | -85.76 | 13 | 3.8 | Indiana | Y | 20040912130519 Mechanism | |
| 2004/09/28 | 17:15:24 | 35.82 | -120.37 | 8 | 5.89 | California | Y | 20040928171524 Mechanism | |
| 2004/10/01 | 19:22:18 | 37.40 | -117.11 | 9 | 3.87 | Nevada | n | 20041001192218 Mechanism | |
| 2004/11/07 | 06:54:59 | 38.236 | -108.95 | 1.0 | 4.00 | Colorado | ? | 20041107065459 Mechanism | |
| 2004/11/07 | 11:20:25 | 32.97 | -87.90 | 5 | 4.2 | Alabama | Y | 20041107112025 Mechanism | |
| 2004/11/16 | 18:21:28 | 42.00 | -120.45 | 9 | 3.8 | Oregon | Y | 20041116182128 Mechanism | |
| 2004/11/21 | 15:50:32 | 44.35 | -114.01 | 5 | 4.0 | Idaho | ? | 20041121155032 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.