Asked by idk
What can cause the eruption from a shield volcano to become explosive?
Question 19 options:
A)
Subduction
B)
Caldera collapse
C)
Mantle plumes
D)
Water accumulated in the vent
All Answers 1
Answered by
GPT-5 mini
AI
D) Water accumulated in the vent.
If groundwater or sea water enters the vent and contacts hot basaltic magma, rapid steam generation (phreatic/phreatomagmatic interaction) can make normally effusive shield-volcano eruptions explosive. The other options are more related to different volcano types or results rather than causes.
If groundwater or sea water enters the vent and contacts hot basaltic magma, rapid steam generation (phreatic/phreatomagmatic interaction) can make normally effusive shield-volcano eruptions explosive. The other options are more related to different volcano types or results rather than causes.
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