Origin time (ITItaly) Magnitude Region
1990-09-15 02:45:06 Md 2.5 4 km SE Montegridolfo (RN)
1990-10-07 07:45:49 Md 2.5 4 km S Pietralunga (PG)
1990-10-10 16:30:13 Md 2.4 6 km NE Sansepolcro (AR)
1990-10-18 11:27:04 Md 2.2 3 km N Petriano (PU)
1990-10-25 02:09:37 Md 2.4 4 km E Cantiano (PU)
1990-11-24 04:56:25 Md 2.6 5 km E Cantiano (PU)
1990-11-26 23:02:20 Md 2.5 6 km SW Serra Sant'Abbondio (PU)
1990-12-03 19:12:05 Md 2.5 4 km SW Serra Sant'Abbondio (PU)
1990-12-29 04:07:05 Md 2.5 4 km NE Macerata Feltria (PU)
1991-01-19 11:29:32 Md 2.3 4 km NW Sassoferrato (AN)
1991-02-04 17:15:57 Md 2.0 1 km NW Acqualagna (PU)
1991-02-25 18:08:32 Md 2.1 4 km SE Mercatino Conca (PU)
1991-03-02 11:20:35 Md 2.3 4 km NW Sassoferrato (AN)
1991-03-03 03:47:59 Md 2.4 3 km W Cantiano (PU)
1991-03-21 02:47:57 Md 2.6 7 km E Acqualagna (PU)
1991-04-03 12:36:27 Md 2.1 3 km SW Sestino (AR)
1991-05-17 21:24:59 Md 2.0 2 km NE Borgo Pace (PU)
1991-06-04 03:14:26 Md 2.3 4 km SE Pietralunga (PG)
1991-06-09 21:25:42 Md 2.4 3 km SW Scheggia e Pascelupo (PG) ... (PG)
1991-07-14 19:18:09 Md 2.4 3 km W Sestino (AR)
1991-07-19 15:47:29 Md 2.2 4 km S Pietralunga (PG)
1991-07-20 01:26:10 Md 2.3 5 km NW Cagli (PU)
1991-07-27 23:03:30 Md 2.1 4 km W Carpegna (PU)
1991-08-04 05:57:37 Md 2.4 2 km SW Gubbio (PG)
1991-08-08 08:57:19 Md 2.4 3 km NW Frontone (PU)
1991-08-18 21:26:27 Md 2.3 6 km SE Pietralunga (PG)
1991-09-10 15:51:26 Md 2.3 5 km NE San Giustino (PG)
1991-09-21 15:42:12 Md 2.1 5 km NE Pietralunga (PG)
1991-09-28 19:55:58 Md 2.5 5 km N Gubbio (PG)
1991-10-03 20:18:05 Md 2.5 5 km W Auditore (PU)