A volcano erupts, which prompts an earthquake on the island. The observation lab, perched right at the edge of the volcano's caldera, collapses into the volcano - killing all the scientists offscreen.
A man clinging to a helicopter falls off.
A tsunami wipes out an entire town square, drowning most of everyone.
A bunch of locals try to escape with the group's helicopter, but end up crashing it and dropping people in the ocean, killing them.
Fireballs shoot out from the volcano and hit portions of the hotel; one person catches on fire. Several people are burned, but none of this is in graphic detail.
A man falls off a mountainside gorge to his demise. His body can be seen for a moment below the gorge, but with no blood.
While crossing a rickety wooden bridge, it collapses and results in several people falling off it and into the molten lava river.