Data e Ora (ITItalia) Magnitudo Zona
1990-03-09 00:26:16 Md 2.5 3 km W Arquata del Tronto (AP)
1990-03-20 06:57:43 Md 2.1 4 km NE Bolognola (MC)
1990-04-04 11:43:17 Md 2.7 1 km W Gualdo (MC)
1990-05-15 03:51:23 Md 2.0 2 km NE Gualdo (MC)
1990-05-16 01:00:59 Md 2.3 4 km S Montegallo (AP)
1990-07-15 03:04:10 Md 2.5 2 km NW Comunanza (AP)
1990-08-16 01:07:54 M 2.6 2 km NW Monteleone di Fermo (FM)
1990-08-30 22:08:34 Md 3.0 3 km N Accumoli (RI)
1990-09-05 21:38:09 Md 2.4 3 km E Accumoli (RI)
1990-10-09 05:39:10 Md 2.5 6 km SE Castelsantangelo sul Nera (MC) ... (MC)
1990-10-13 21:07:27 Md 2.8 2 km W Montalto delle Marche (AP) ... (AP)
1990-10-15 04:48:27 Md 2.2 3 km SW Montegallo (AP)
1990-10-15 20:21:13 Md 2.0 2 km E Montalto delle Marche (AP) ... (AP)
1990-10-16 00:00:59 Md 2.3 4 km S Montegallo (AP)
1990-10-18 11:05:42 Md 3.1 2 km SW Cossignano (AP)
1990-10-18 19:52:53 Md 2.5 2 km NW Rotella (AP)
1990-10-20 03:25:36 Md 2.7 1 km SE Carassai (AP)
1990-10-21 03:43:28 Md 2.4 2 km E Montelparo (FM)
1990-10-21 10:53:14 Md 2.8 3 km S Monte Rinaldo (FM)
1990-10-21 14:44:22 Md 2.5 3 km SE Montelparo (FM)
1990-10-23 00:00:11 Md 2.8 2 km S Controguerra (TE)
1990-10-24 14:15:04 Md 2.3 3 km NW Montedinove (AP)
1990-10-24 19:48:33 Md 2.7 2 km NW Montedinove (AP)
1990-10-25 10:56:17 Md 2.2 2 km W Sarnano (MC)
1990-11-18 20:11:33 Md 2.5 2 km N Rotella (AP)
1990-12-20 04:46:32 Md 2.6 3 km W Falerone (FM)
1991-01-26 20:53:10 Md 2.5 6 km NW Cortino (TE)
1991-01-26 21:01:02 Md 2.4 6 km W Rocca Santa Maria (TE)
1991-03-17 14:36:10 Md 2.7 NE Montalto delle Marche (AP)
1991-03-20 19:56:38 Md 2.6 3 km E Bolognola (MC)