Origin time (UTC) Magnitude Region
1990-11-18 19:11:33 Md 2.5 2 km N Rotella (AP)
1990-11-20 23:30:44 Md 2.4 5 km NW Muccia (MC)
1990-12-20 03:46:32 Md 2.6 3 km W Falerone (FM)
1990-12-28 01:33:36 Md 2.0 1 km NE Pievebovigliana (MC)
1991-01-16 12:40:47 Md 2.4 5 km SE Cingoli (MC)
1991-02-13 02:48:16 Md 2.6 N Serravalle di Chienti (MC)
1991-02-14 04:00:17 Md 2.6 3 km S Castelraimondo (MC)
1991-03-12 23:12:09 Md 2.8 3 km SW Pieve Torina (MC)
1991-03-13 05:47:20 Md 2.3 2 km W Pieve Torina (MC)
1991-03-17 13:36:10 Md 2.7 NE Montalto delle Marche (AP)
1991-03-20 18:56:38 Md 2.6 3 km E Bolognola (MC)
1991-04-27 04:16:14 Md 2.4 5 km N Acquasanta Terme (AP)
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)
1991-05-07 03:21:08 Md 2.4 3 km NW Monte Cavallo (MC)
1991-06-02 19:22:35 Md 2.5 2 km W Pieve Torina (MC)
1991-06-05 02:05:11 Md 2.5 4 km S Fiordimonte (MC)
1991-06-05 04:53:49 Md 2.8 2 km N Monte Cavallo (MC)
1991-06-07 14:15:27 Md 2.2 4 km N Serravalle di Chienti (MC) ... (MC)
1991-06-22 21:10:18 Md 3.1 1 km S Monte Cavallo (MC)
1991-07-11 12:49:09 Md 3.2 3 km NW Preci (PG)
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)
1991-07-20 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 18:50:51 Md 2.2 3 km E Venarotta (AP)
1991-07-25 21:45:44 Md 2.5 3 km W Monteleone di Fermo (FM)