Data e Ora (UTC) Magnitudo Zona
1990-05-10 22:18:34 Md 2.6 1 km SW Sansepolcro (AR)
1990-05-10 22:54:17 Md 2.1 NW Sansepolcro (AR)
1990-05-11 03:21:13 Md 2.9 5 km N Sansepolcro (AR)
1990-05-11 03:29:48 Md 2.1 2 km NW Sansepolcro (AR)
1990-05-12 18:35:35 Md 2.3 3 km NE Sansepolcro (AR)
1990-05-12 20:22:49 Md 2.5 4 km N Sansepolcro (AR)
1990-05-31 01:39:58 Md 2.4 3 km W Pietralunga (PG)
1990-06-26 09:23:33 Md 2.6 5 km SE Mercatello sul Metauro (PU) ... (PU)
1990-06-27 00:49:30 Md 2.7 4 km W Cagli (PU)
1990-07-04 04:41:26 Md 2.2 4 km W Borgo Pace (PU)
1990-07-04 04:47:46 Md 2.1 4 km W Borgo Pace (PU)
1990-07-04 05:46:11 Md 2.9 3 km NW Borgo Pace (PU)
1990-07-04 06:40:57 Md 3.2 3 km NW Borgo Pace (PU)
1990-07-04 06:43:15 Md 2.4 3 km S Borgo Pace (PU)
1990-07-04 12:59:52 Md 2.9 4 km NW Borgo Pace (PU)
1990-07-09 06:17:03 Md 2.5 2 km N Sansepolcro (AR)
1990-07-09 06:18:04 Md 2.4 7 km S Badia Tedalda (AR)
1990-07-22 06:01:34 Md 2.4 5 km NW Apecchio (PU)
1990-08-03 02:55:54 Md 2.4 9 km W Gubbio (PG)
1990-10-07 06:45:49 Md 2.5 4 km S Pietralunga (PG)
1990-10-10 15:30:13 Md 2.4 6 km NE Sansepolcro (AR)
1990-10-25 01:09:37 Md 2.4 4 km E Cantiano (PU)
1990-11-24 03:56:25 Md 2.6 5 km E Cantiano (PU)
1990-11-26 22:02:20 Md 2.5 6 km SW Serra Sant'Abbondio (PU)
1990-12-03 18:12:05 Md 2.5 4 km SW Serra Sant'Abbondio (PU)
1991-01-21 21:10:54 Md 2.1 7 km N Valfabbrica (PG)
1991-02-04 16:15:57 Md 2.0 1 km NW Acqualagna (PU)
1991-02-13 11:38:08 Md 1.9 6 km E Umbertide (PG)
1991-03-03 02:47:59 Md 2.4 3 km W Cantiano (PU)
1991-03-09 17:26:21 Md 2.5 6 km NE Sigillo (PG)