"Hey... hey..." Martin sputters, wading over to dry land along the chasm - and noting survivors.  He keeps his voice and movement otherwise to a minimum.  (Sharks?  A bit paranoid, man!) He thinks to himself, scrambling onto the dirt.  Seeing some of the others, he starts striding over and rasping - trying to keep his voice down, and likely not getting their attention.  Before he can get any closer, however, he stumbles in the dirt - and glancing down beneath his foot, sees it.  Footsteps.  He leans in closer, examining them in the odd glow - and being a biologist, gradually begins to put together in his mind a few creatures that could possibly make tracks like this.  He swallows to himself, and notices the others heading in.  Taking one last glance, he struts lightly as possible to catch up to a few, raising his voice a bit now to get their attention.  He doesn't know whether to be terrified or thrilled - perhaps more of the latter were he able to save his camera and if he had, well, ARMAMENTS, but he's a scientist first.  If nothing else, this is the opportunity of a lifetime.  One that may be cut short very soon.  "Hey, over there..." He cups his hands, calling gently as he approaches the group.