Mount st helens carbon dating

05-May-2018 18:31

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How old must a volcano be to be considered extinct depends to a large degree on past activity.A dormant volcano (sleeping volcano) is somewhere between active and extinct.A dormant volcano is one that has not shown eruptive activity within recorded history, but shows geologic evidence of activity within the geologic recent past.Short - Term Prediction based on Volcanic Monitoring Short - term prediction of volcanic eruptions involves monitoring the volcano to determine when magma is approaching the surface and monitoring for precursor events that often signal a forthcoming eruption.

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This video was prepared by the International Association of Volcanology and Chemistry of the Earth's Interior in several languages, and was designed show people living in the vicinity of volcanoes the possible effects of an eruption.Education and communication is essential in reducing risk from volcanic hazards!