event begin max end class region ----- ----- ----- ----- ----- ------ 3660 01:28 01:39 01:46 B3.6 3690 02:17 02:47 03:10 C2.0 3700 05:54 05:58 06:02 B4.0 3730 07:13 07:21 07:27 B7.1 3790 14:40 14:46 14:50 B3.6 3800 16:24 16:30 16:33 B3.2 3810 18:46 18:53 19:06 B5.7 3820 21:21 21:42 21:53 B7.5 3830 23:39 23:44 23:48 B2.0