How Fast Do Gases from Volcanic Eruptions Travel?
ES0906  Measuring Aerosol Distance

This image shows the aerosol index five days after the main eruption.

  !   Use the ruler tool to measure the distance the leading edge of the aerosol "cloud" traveled in the five days since it erupted.

 

 
   

9. Calculate the speed of the aerosol cloud in km/hr. Show your work.

 
   

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