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The USGS Hawaiian Volcano Observatory monitors the six currently active volcanoes in Hawaii, but past eruptions have shaped all of the Hawaiian...

The USGS Hawaiian Volcano Observatory (HVO) keeps its eyes on active volcanoes in many ways.  While old fashioned eyes and a notebook are used when...

In December 2022, a team of scientists from Aotearoa New Zealand teamed up with scientists from the USGS Hawaiian Volcano Observatory (HVO) to carry...

Native Hawaiian oral traditions record a rich history of the changing volcanic landscape in Hawaiʻi. Interweaving cultural knowledge with scientific...

Mauna Loa summit webcams have been down for several months due to wind damage at the radio telemetry site. On November 7, 2024, HVO staff visited the...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment in 1879. Congress created...

In this third edition of "Eruptions of Hawaiian Volcanoes—Past, Present, and Future," we include information about Kīlauea’s 2018 eruption in the...

Over the past century, technological advancements have vastly improved volcano monitoring. One key innovation was the introduction of modern borehole...

The recent eruption at Nāpau Crater was the first on Kīlauea’s middle East Rift Zone (ERZ) in six years. We often remember the Pu‘u‘ō‘ō and Maunaulu...

USGS Hawaiian Volcano Observatory scientists conducted maintenance on a webcam on the East Rift Zone of Kīlauea, where a recent interferogram shows...