Data e Ora (UTC) Magnitudo Zona
1990-04-30 15:17:28 Md 1.9 3 km W Gubbio (PG)
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 06:50:55 Md 2.7 3 km W Sestino (AR)
1990-07-04 07:01:33 Md 2.2 4 km E Badia Tedalda (AR)
1990-07-04 07:15:54 Md 2.2 1 km W Sestino (AR)
1990-07-04 07:16:12 Md 2.4 4 km NW Sestino (AR)
1990-07-04 12:59:52 Md 2.9 4 km NW Borgo Pace (PU)
1990-07-22 06:01:34 Md 2.4 5 km NW Apecchio (PU)
1990-09-15 00:45:06 Md 2.5 4 km SE Montegridolfo (RN)
1990-10-07 06:45:49 Md 2.5 4 km S Pietralunga (PG)
1990-10-18 10:27:04 Md 2.2 3 km N Petriano (PU)
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)
1990-12-29 03:07:05 Md 2.5 4 km NE Macerata Feltria (PU)
1991-01-19 10:29:32 Md 2.3 4 km NW Sassoferrato (AN)
1991-02-04 16:15:57 Md 2.0 1 km NW Acqualagna (PU)
1991-02-25 17:08:32 Md 2.1 4 km SE Mercatino Conca (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)
1991-03-21 01:47:57 Md 2.6 7 km E Acqualagna (PU)
1991-04-03 10:36:27 Md 2.1 3 km SW Sestino (AR)