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Kīlauea summit eruption in Halemaʻumaʻu crater - October 4, 2021

Detailed Description

A Hawaiian Volcano Observatory (HVO) geologist uses a laser rangefinder to measure the elevation of the active lava lake in Halema‘uma‘u crater, at the summit of Kīlauea. HVO scientists continue to monitor the ongoing eruption from an area within Hawai‘i Volcanoes National Park that remains closed to the public due to safety concerns. USGS photo taken by M. Patrick on October 4, 2021.


Public Domain.