Data e Ora (UTC) Magnitudo Zona
1991-03-20 18:56:38 Md 2.6 3 km E Bolognola (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)
1991-04-29 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)
1991-06-28 17:09:52 Md 2.5 5 km S Cingoli (MC)
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)
1991-07-16 09:07:34 Md 2.1 3 km SE San Ginesio (MC)
1991-07-17 02:55:16 Md 2.9 3 km W Monteleone di Fermo (FM)
1991-07-18 09:27:34 Md 2.0 5 km S Cingoli (MC)
1991-07-20 09:19:07 Md 2.0 4 km S Bolognola (MC)
1991-07-21 05:45:21 Md 2.4 2 km NW Monteleone di Fermo (FM)
1991-07-23 22:16:17 Md 2.8 3 km N Santa Vittoria in Matenano (FM) ... (FM)
1991-07-24 01:15:41 Md 2.4 2 km SE Servigliano (FM)
1991-07-25 10:12:25 Md 2.0 5 km S Cingoli (MC)
1991-07-25 21:45:44 Md 2.5 3 km W Monteleone di Fermo (FM)
1991-07-27 04:20:53 Md 2.1 3 km NW Santa Vittoria in Matenano (FM) ... (FM)
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)
1991-08-06 11:31:02 Md 3.0 2 km W Servigliano (FM)
1991-08-08 16:46:08 Md 2.5 5 km S Cingoli (MC)
1991-09-04 03:21:15 Md 2.4 1 km NE Monte Rinaldo (FM)
1991-10-10 11:18:21 Md 2.5 8 km SW Cingoli (MC)
1991-11-12 21:45:55 Md 3.1 3 km SW Comunanza (AP)
1991-11-12 22:55:40 Md 2.4 3 km NE Montemonaco (AP)
1991-11-13 11:14:24 Md 2.2 8 km SE Poggio San Vicino (MC)
1992-01-03 21:40:18 Md 2.5 3 km NE Sant'Angelo in Pontano (MC) ... (MC)
1992-01-05 08:25:45 Md 2.4 2 km W Sarnano (MC)
1992-01-20 07:27:53 Md 2.1 3 km SE Sarnano (MC)