event begin max end class region ----- ----- ----- ----- ----- ------ 3840 02:53 03:15 03:26 C3.9 1846 3870 09:51 09:56 10:09 B4.1 1847 3880 14:32 14:43 14:48 B5.1 1846 3920 22:35 22:37 22:39 B3.7 1846