| Date | Time (UT) | Latitude | Longitude | Depth (km) | Magnitude | Quadrangle | Felt | Map | Mechanism |
| 98/01/15 | 23:34:39 | 38.50N | 90.43W | 15.7 | 2.4 | KIRKWOOD, MO | Y | 980115 Map | 980115 Mechanism |
| 98/01/17 | 19:40:07 | 36.57N | 89.61W | 5.0 | 2.6 | NEW MADRID, MO | N | 980117 Map | |
| 98/01/28 | 22:05:12 | 36.11N | 89.86W | 9.9 | 2.7 | STEELE, MO | N | 980128 Map | |
| 98/02/12 | 09:37:49 | 36.11N | 89.71W | 10.0 | 3.0 | COTTONWOOD PT., MO | Y | 980212 Map | |
| 98/04/08 | 18:16:48 | 36.92N | 89.02W | 5.0 | 3.0 | WICKLIFFE, KY | N | 980408 Map | |
| 98/05/11 | 08:07:14 | 36.84N | 89.01W | 5.0 | 2.7 | ARLINGTON, KY | N | 980511 Map | |
| 98/05/26 | 14:04:36 | 39.39N | 89.23W | 16.4 | 2.7 | OWANECO, IL | N | 980526 Map | |
| 98/06/13 | 01:27:46 | 38.08N | 90.46W | 24.5 | 1.8 | HALIFAX, MO | N | 980613 Map | |
| 98/07/15 | 04:24:50 | 36.67N | 89.59W | 5.0 | 3.1 | KEWANEE, MO | N | 980715 Map | |
| 98/07/22 | 22:11:57 | 37.65N | 90.20W | 17.5 | 2.7 | WOMACK, MO | N | 980722 Map | |
| 98/08/23 | 22:15:08 | 38.46N | 90.22W | 21.5 | 2.5 | COLUMBIA, IL | N | 980823 Map | |
| 98/10/26 | 00:29:52 | 37.00N | 90.88W | 5.0 | 2.6 | GARWOOD, MO | N | 981026 Map |
| Date | Time (UT) | Latitude | Longitude | Depth (km) | Magnitude | Nearest Town | Felt | Map | Mechanism |
| 98/01/02 | 07:28:29 | 38.18N | 112.46W | 10.0 | 4.5 | UTAH | Y | 980102 Map | 980102 Mechanism |