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June 14, 2023 — Geologist working on the rim of Halemaʻumaʻu

Detailed Description

A Hawaiian Volcano Observatory geologist uses a laser rangefinder to track the rise of the crater floor and lava lake surface within Halemaʻumaʻu crater at the summit of Kīlauea on Wednesday, June 14, 2023. USGS photo by M. Patrick.


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