Origin time (UTC) Magnitude Region
1990-03-09 01:24:05 Md 2.4 7 km W Cittareale (RI)
1990-03-13 02:27:19 Md 2.2 1 km E Cittareale (RI)
1990-04-03 03:29:49 Md 2.8 6 km NE Antrodoco (RI)
1990-04-28 14:10:34 Md 2.4 4 km W Montereale (AQ)
1990-05-10 04:21:44 Md 2.2 2 km S Pizzoli (AQ)
1990-05-23 02:32:32 Md 2.4 5 km SW Tornimparte (AQ)
1990-05-30 02:34:44 Md 2.6 2 km S Stroncone (TR)
1990-07-15 12:53:21 Md 2.2 2 km W Cittareale (RI)
1990-08-15 02:16:27 Md 2.4 6 km SE Cittareale (RI)
1990-08-15 06:14:48 Md 2.6 1 km NE Borbona (RI)
1990-08-24 07:03:19 Md 2.5 1 km SE Capitignano (AQ)
1990-09-06 04:04:04 Md 2.5 3 km NW Montereale (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)
1990-12-26 20:51:59 Md 2.5 5 km E Terni (TR)
1991-01-04 21:15:51 Md 2.6 1 km W Orvinio (RI)
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)
1991-01-19 04:00:54 Md 2.6 1 km SW Pozzaglia Sabina (RI)
1991-01-24 23:00:51 Md 2.7 8 km NE Petrella Salto (RI)
1991-02-12 08:04:57 Md 2.3 5 km N Borgorose (RI)
1991-02-23 15:13:17 Md 2.3 2 km NW Borgorose (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)
1991-03-19 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)