event begin max end class region ----- ----- ----- ----- ----- ------ 1880 10:36 10:57 11:10 B5.5 1890 11:27 11:35 11:42 B7.5 2599 1900 13:29 13:56 14:04 B3.5 2602 1920 17:03 17:25 17:38 B7.4 1930 22:42 23:02 23:15 B8.4