Rakrakboyviz
Answered

according to phivolcs volcano is considered active if​

Sagot :

CUBICAL3ADviz

Answer:

  • An increase in the frequency and intensity of felt earthquakes
  • Subtle swelling of the ground surface.
  • Small changes in heat flow.
  • Changes in the composition or relative abundances of fumarolic gases.
  • Noticeable steaming or fumarolic activity and new or enlarged areas of hot ground.

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