Data e Ora (UTC) Magnitudo Zona
1990-12-20 16:50:52 Md 3.0 2 km SE Montelupone (MC)
1991-01-16 12:40:47 Md 2.4 5 km SE Cingoli (MC)
1991-02-09 12:37:07 Md 2.8 4 km NE Macerata (MC)
1991-02-14 04:00:17 Md 2.6 3 km S Castelraimondo (MC)
1991-03-01 02:11:18 Md 2.9 5 km W Poggio San Vicino (MC)
1991-03-01 02:44:57 Md 2.5 3 km SW Poggio San Vicino (MC)
1991-03-04 17:04:26 Md 2.5 5 km S Cingoli (MC)
1991-04-08 08:58:00 Md 2.3 5 km SW Cingoli (MC)
1991-04-09 00:43:18 Md 2.6 2 km SE Recanati (MC)
1991-04-22 23:59:28 Md 2.8 6 km W Filottrano (AN)
1991-04-23 02:22:45 Md 3.1 1 km E Maiolati Spontini (AN)
1991-04-25 03:31:12 Md 2.3 4 km SE Poggio San Vicino (MC)
1991-04-29 10:38:41 Md 2.4 8 km SW Cingoli (MC)
1991-04-30 06:40:55 Md 2.7 4 km W Tolentino (MC)
1991-05-31 10:04:44 Md 2.2 4 km NE Genga (AN)
1991-06-15 09:22:43 Md 2.3 3 km SE Genga (AN)
1991-06-28 17:09:52 Md 2.5 5 km S Cingoli (MC)
1991-07-09 15:10:31 Md 2.6 4 km S Serra San Quirico (AN)
1991-07-10 15:17:08 Md 2.1 3 km S Cingoli (MC)
1991-07-11 15:13:05 Md 2.4 7 km S Cingoli (MC)
1991-07-13 08:01:48 Md 2.7 2 km E Camerata Picena (AN)
1991-07-13 09:19:16 Md 2.4 3 km S Serra San Quirico (AN)
1991-07-16 09:07:34 Md 2.1 3 km SE San Ginesio (MC)
1991-07-18 09:27:34 Md 2.0 5 km S Cingoli (MC)
1991-07-23 14:04:45 Md 2.3 2 km W Serra San Quirico (AN)
1991-07-25 10:12:25 Md 2.0 5 km S Cingoli (MC)
1991-07-27 08:38:22 Md 2.3 6 km S Cingoli (MC)
1991-07-27 23:29:42 Md 2.1 4 km N Pievebovigliana (MC)
1991-08-02 15:12:00 Md 2.7 4 km E Genga (AN)
1991-08-08 16:46:08 Md 2.5 5 km S Cingoli (MC)