Data e Ora (UTC) Magnitudo Zona
1991-04-27 04:16:14 Md 2.4 5 km N Acquasanta Terme (AP)
1991-05-22 14:31:27 Md 2.5 4 km SE Norcia (PG)
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)
1991-06-25 22:34:59 Md 2.0 3 km SW Capitignano (AQ)
1991-06-27 14:01:02 Md 2.9 5 km NW Cittareale (RI)
1991-07-01 20:54:57 Md 2.0 6 km W Norcia (PG)
1991-07-05 16:28:34 Md 2.5 3 km W Campotosto (AQ)
1991-07-05 23:37:51 Md 2.4 6 km W Campotosto (AQ)
1991-07-06 04:02:17 Md 2.2 4 km W Campotosto (AQ)
1991-07-22 21:18:26 Md 2.1 3 km NE Cascia (PG)
1991-07-23 08:40:46 Md 3.7 2 km W Posta (RI)
1991-07-23 09:41:16 Md 2.4 4 km NE Borbona (RI)
1991-07-23 09:48:10 Md 2.6 5 km NE Borbona (RI)
1991-07-23 14:14:17 Md 2.3 5 km W Montereale (AQ)
1991-07-23 16:54:24 Md 2.0 5 km N Posta (RI)
1991-07-23 20:23:32 Md 2.0 4 km NE Posta (RI)
1991-07-23 21:07:32 Md 2.3 6 km SE Cittareale (RI)
1991-07-24 06:39:40 Md 2.2 4 km N Cagnano Amiterno (AQ)
1991-07-25 18:50:51 Md 2.2 3 km E Venarotta (AP)
1991-07-26 01:30:40 Md 2.3 5 km W Montereale (AQ)
1991-07-26 03:12:04 Md 2.6 5 km NE Borbona (RI)
1991-08-16 02:01:00 Md 2.1 3 km W Cittareale (RI)
1991-08-16 08:30:11 Md 2.2 3 km E Borbona (RI)
1991-08-25 10:04:23 Md 2.6 6 km NE Montereale (AQ)
1991-09-05 23:19:09 Md 3.0 7 km W Cortino (TE)
1991-09-14 06:03:39 Md 2.3 4 km W Cagnano Amiterno (AQ)
1991-10-24 20:36:56 Md 2.2 5 km N Posta (RI)
1991-11-10 00:20:55 Md 2.3 2 km W Cascia (PG)