The least explosive volcanic eruptions usually come from which type of volcano?
calderas
shield volcanoes
composite cones
cinder cones
plug domes

The least explosive volcanic eruptions is from - shield volcanoes.

Explanation:

Shield volcanoes -

Shield volcanoes are made up of fluid lava.

They are created by slow accretion of thousands of highly fluid lava flows called the basalt lava. Then the basalt lava spread over and cool down to thin layer.

Shield volcanoes are those which erupts less ,

Reason being the composition of the magma , i.e., the magma is less viscous and less gaseous basltic magma.

If the magma contains high viscosity and high amount of gaseous particles like a granitic magma then it will erupt violently.

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