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Vulkanologische Beobachtung auf dem Kilauea Vulkan von Hawaii. Die Beobachtung von Vulkanen ist eines der Tätigkeitsfelder des United States Geological Survey.

An HVO geologist takes Kīlauea summit eruption lake-level, spatter-cone, and dome-fountain measurements with a laser rangefinder. The top of the dome fountain in Halemaʻumaʻu was up to 5 meters (16 ft) above the lake surface. The lake elevation suggests a maximum lava lake depth of approximately 193 m (211 yd). HVO scientists monitor the ongoing Kīlauea summit eruption from within an area of Hawai‘i Volcanoes National Park that remains closed to the public for safety reasons. They are equipped with a range of specialized safety gear and personal protective equipment such as gas masks, helmets, gloves, and eye protection. This view is to the northwest from the south rim of Halemaʻumaʻu crater. USGS photo by H. Dietterich at 10:14 a.m. HST on 1/6/2021.

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