the first was on october 16, a magnitude 6.3 earthquake, with an epicenter near tulunan. at least seven people were killed and 215 others injured. the second earthquake was on october 29, a magnitude 6.6 event with an epicenter near bual, to the northeast of the 16 october event. the third earthquake was on october 31, a magnitude 6.5 with epicenter near tulunan. it is not considered to be an aftershock of the october 29 event. 22 people died and a further 424 were injured after these two events.