Translation of fatal in Spanish-English

The human is capable of recognition of the world with its ingredients. Frost presents us with a poem in which everything is white and bright. The picture he gives us seems to be very peaceful.
Usually in a place with a homegenous society hatred towards foreigners can grow much more easy as a small disturbance to the homogenity may upset the entire society. People are not used to changes.
We stayed there for a few hours observing the hugh ice blocks breaking off and falling into the icy waters leaving a water splash of over 100 meters. Each splash was followed by a dull thunder.