event begin max end class region ----- ----- ----- ----- ----- ------ 2170 00:13 00:26 00:37 M1.0 2250 12:33 12:46 12:56 C8.2 4267 2260 21:08 21:19 21:26 C3.7 2270 22:29 22:35 22:38 C2.8 2280 23:53 00:03 00:07 C4.5