# Collapse of the unstable walls within Halemaumau vent

## Detailed Description

movie shows two separate rockfalls impacting and disrupting the active lava pond in Halemaumau. Rockfalls here result from collapse of the unstable walls of the vent cavity, and are a common occurrence. The first rockfall impacts the lava surface vertically, while the second features small vertical impacts followed by a slide of material that forces the lava surface to slosh towards the north.

## Details

Date Taken:

Length: 00:00:53

Location Taken: HI, US

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