Data e Ora (UTC) Magnitudo Zona
1990-03-05 04:27:21 Md 2.1 2 km NE Penna San Giovanni (MC)
1990-03-10 11:46:29 Md 2.3 2 km NE Pievebovigliana (MC)
1990-03-20 05:57:43 Md 2.1 4 km NE Bolognola (MC)
1990-03-20 20:30:41 Md 2.2 3 km E Ripe San Ginesio (MC)
1990-04-04 09:43:17 Md 2.7 1 km W Gualdo (MC)
1990-05-15 01:51:23 Md 2.0 2 km NE Gualdo (MC)
1990-05-15 23:00:59 Md 2.3 4 km S Montegallo (AP)
1990-05-19 19:48:16 Md 2.2 3 km S Loro Piceno (MC)
1990-06-10 03:10:54 Md 2.7 3 km SE Ussita (MC)
1990-07-01 03:57:15 Md 2.2 2 km NE Serrapetrona (MC)
1990-07-15 01:04:10 Md 2.5 2 km NW Comunanza (AP)
1990-08-15 23:07:54 M 2.6 2 km NW Monteleone di Fermo (FM)
1990-10-10 13:52:09 Md 2.0 7 km NE Pievebovigliana (MC)
1990-10-13 20:07:27 Md 2.8 2 km W Montalto delle Marche (AP) ... (AP)
1990-10-15 03:48:27 Md 2.2 3 km SW Montegallo (AP)
1990-10-15 19:21:13 Md 2.0 2 km E Montalto delle Marche (AP) ... (AP)
1990-10-15 23:00:59 Md 2.3 4 km S Montegallo (AP)
1990-10-18 10:05:42 Md 3.1 2 km SW Cossignano (AP)
1990-10-18 18:52:53 Md 2.5 2 km NW Rotella (AP)
1990-10-20 02:25:36 Md 2.7 1 km SE Carassai (AP)
1990-10-21 02:43:28 Md 2.4 2 km E Montelparo (FM)
1990-10-21 09:53:14 Md 2.8 3 km S Monte Rinaldo (FM)
1990-10-21 13:44:22 Md 2.5 3 km SE Montelparo (FM)
1990-10-24 13:15:04 Md 2.3 3 km NW Montedinove (AP)
1990-10-24 18:48:33 Md 2.7 2 km NW Montedinove (AP)
1990-10-25 09:56:17 Md 2.2 2 km W Sarnano (MC)
1990-11-18 19:11:33 Md 2.5 2 km N Rotella (AP)
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)
1991-02-09 12:37:07 Md 2.8 4 km NE Macerata (MC)