How is volcanism at a hotspot different from volcanism at a mid-ocean ridge. how are they similar?

They are both basaltic and young in the direction of plate movement. Mid-ocean ridge volcanism is localized along a constructive spreading center, eg Iceland, while hot spots form a chain of volcanoes over a hot spot, eg Hawaii.





EDIT - I stand corrected, the volcanoes and volcanic rocks young in the direction opposite to plate movement in both cases. Thanks!How is volcanism at a hotspot different from volcanism at a mid-ocean ridge. how are they similar?
Young in the direction of plate movement?





Not sure what you mean, but a chain of volcanoes does get progressively older away from the hotspot or mid-ocean ridge mantle plume.How is volcanism at a hotspot different from volcanism at a mid-ocean ridge. how are they similar?
mid-ocean ridge: basaltic lava due to seafloor spreading.


hot spot: volcanism due to a deep seated thermal anomaly that cut across the whole lithosphere.

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