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HVO monitors the active volcanoes in Hawaii, assesses their hazards, issues warnings, and advances scientific understanding to reduce impacts of volcanic eruptions.
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Volcano Watch — The MILEAGE project - Mapping Kīlauea’s Gas Emissions
The MILEAGE project - Mapping Kīlauea’s Gas Emissions: Large quantities of volcanic gases, such as carbon dioxide (CO2), sulfur dioxide (SO2), and hydrogen sulfide (H2S), are released into the atmosphere during volcanic eruptions. But even between eruptions, smaller amounts of the same gases continue to escape...
Photo and Video Chronology – Kīlauea – September 7, 2021
HVO field crews—equipped with specialized safety gear—conduct station maintenance, collect water samples, and monitor for new changes from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.
New HVO webcam: [KOcam] South of Kīlauea caldera towards 1982 flow
A new USGS Hawaiian Volcano Observatory webcam provides views to the south of Kīlauea caldera in the area of the August 2021 intrusion. Near-live webcam views and a 24-hour animated GIF are available here: [KOcam] - South of Kīlauea caldera towards 1982 flow (usgs.gov)