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Overflight of Kīlauea summit on December 18

HVO monitoring equipment on the north rim of Pu‘u ‘Ō‘ō

Neither Kīlauea nor Mauna Loa erupted in 2019, but this period of relative quiet must not lead to complacency about Hawaii's two most active volcanoes...

Kīlauea summit lake observation and Keller Well measurements, December 2019

Halema‘uma‘u water pond on November 28

Reconnaissance videos taken prior to the October 26 water sampling mission

HVO field engineers install new telemetry hub

Continued slow rise of water level at bottom of Halema‘uma‘u

Monitoring gases and investigating thermal areas.

In the tradition of Hawaiian Volcano Observatory (HVO) founder Thomas Jaggar's innovative field methods, HVO recently used a cutting-edge technique to...