Сапоставьте: to monitor people from the flooded village to evacuate the warning on the radio and to warn the destruction caused by the flood to broadcast the water level to rescue the survivors people about the danger to limit of the volcano eruption

To evacuate people from the flooded village    
to monitor the water level      
to broadcast the warning on the radio and TV
to rescue the survivors people about the danger
to warn of the volcano eruption                                                       
to limit the destruction caused by the flood

To rescue the survivors people about the danger - неувязочка получается!