What language is not spoken in mainland europe

I would think that what with the influx of refugees and widespread immigration in modern times that it would be very unlikely to find one language that is not spoken in mainland Europe. I would suggest that perhaps only the language of a primitive tribe in Borneo or Papua New Guinea that has never mixed with civilization that language may not be spoken in mainland Europe, ie Malayic languages plus the languages of the British Columbia, Canada First Nations probably are not spoken there also.

Answer they are produced by collision of tectonic plates;

The answer to the first one is barometer.