Data e Ora (UTC) Magnitudo Zona
1990-03-02 08:24:57 Md 2.3 12 km NW Valfabbrica (PG)
1990-04-01 15:50:43 Md 2.2 7 km W Pietralunga (PG)
1990-04-18 01:17:44 Md 2.5 6 km NE Sigillo (PG)
1990-04-26 03:13:34 Md 2.2 6 km S Piobbico (PU)
1990-04-27 02:22:36 Md 2.3 5 km SE Valfabbrica (PG)
1990-05-31 01:39:58 Md 2.4 3 km W Pietralunga (PG)
1990-06-25 03:18:02 Md 2.2 3 km SW Gualdo Tadino (PG)
1990-06-25 09:33:09 Md 2.1 2 km SW Fossato di Vico (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)
1990-07-14 15:42:19 Md 2.4 1 km NE Gualdo Tadino (PG)
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)
1990-09-12 10:29:53 Md 2.3 4 km E Fossato di Vico (PG)
1990-10-07 06:45:49 Md 2.5 4 km S Pietralunga (PG)
1990-10-07 17:53:30 Md 2.0 5 km E Sigillo (PG)
1990-10-25 01:09:37 Md 2.4 4 km E Cantiano (PU)
1990-11-10 19:47:56 Md 2.9 5 km N Valfabbrica (PG)
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)
1991-01-19 10:29:32 Md 2.3 4 km NW Sassoferrato (AN)
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)
1991-03-02 10:20:35 Md 2.3 4 km NW Sassoferrato (AN)
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)
1991-06-04 01:14:26 Md 2.3 4 km SE Pietralunga (PG)
1991-06-04 07:07:11 Md 2.5 5 km W Valfabbrica (PG)
1991-06-09 19:25:42 Md 2.4 3 km SW Scheggia e Pascelupo (PG) ... (PG)