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This view of Mauna Loa's 1940 vent cone, looking to SW, shows a fis...

Detailed Description

This view of Mauna Loa's 1940 vent cone, looking to the southwest, shows a fissure that bisected it during the 1984 eruption (crack on the right side of the cone). Pāhoehoe flows and spatter erupted from the 1984 fissure blanket the caldera floor northwest of the cone (foreground).

Sources/Usage

Public Domain.