Data e Ora (UTC) Magnitudo Zona
1990-09-05 19:38:09 Md 2.4 3 km E Accumoli (RI)
1990-09-06 04:04:04 Md 2.5 3 km NW Montereale (AQ)
1990-10-15 21:31:16 Md 2.3 4 km W Accumoli (RI)
1990-10-25 03:23:57 Md 2.3 4 km SE Capitignano (AQ)
1990-10-25 05:37:46 Md 2.3 3 km E Capitignano (AQ)
1990-11-30 14:56:27 Md 2.4 4 km E Poggio Bustone (RI)
1990-12-17 02:59:07 Md 2.3 5 km NW Micigliano (RI)
1990-12-25 14:43:12 Md 3.4 5 km SW Arrone (TR)
1991-01-08 22:26:31 Md 2.3 5 km S Norcia (PG)
1991-01-09 20:35:20 Md 2.5 5 km NW Scoppito (AQ)
1991-01-10 20:14:00 Md 3.3 4 km E Polino (TR)
1991-01-10 20:15:59 Md 2.3 2 km NE Polino (TR)
1991-01-10 22:54:46 Md 2.4 3 km S Monteleone di Spoleto (PG) ... (PG)
1991-01-13 08:12:45 Md 2.9 9 km NW Cittareale (RI)
1991-01-13 19:26:16 Md 2.6 7 km N Cittareale (RI)
1991-01-24 23:00:51 Md 2.7 8 km NE Petrella Salto (RI)
1991-03-01 09:22:40 Md 2.3 5 km S Cagnano Amiterno (AQ)
1991-03-03 00:35:43 Md 2.5 2 km N Montereale (AQ)
1991-03-03 04:23:36 Md 2.7 4 km SE Cascia (PG)
1991-03-16 06:11:55 Md 2.1 5 km S Cascia (PG)
1991-03-19 20:41:05 Md 2.2 4 km E Fiamignano (RI)
1991-03-25 23:53:05 Md 2.3 5 km N Borbona (RI)
1991-03-27 02:40:29 Md 2.2 2 km SW Borbona (RI)
1991-03-31 03:29:09 Md 3.1 2 km W Monteleone di Spoleto (PG) ... (PG)
1991-04-04 17:54:31 Md 2.2 3 km N Monteleone di Spoleto (PG) ... (PG)
1991-05-26 17:13:48 Md 2.2 4 km NE Petrella Salto (RI)
1991-05-26 21:06:21 Md 2.3 3 km SW Longone Sabino (RI)
1991-06-01 00:42:28 Md 2.3 2 km SW Borbona (RI)
1991-06-01 00:43:04 Md 2.5 5 km SE Cittareale (RI)
1991-06-02 10:30:15 Md 2.4 6 km N Borbona (RI)