News

During March of 2024, HVO is conducting a GPS survey of Hualālai volcano for the first time since 2015. Also, during March of 2024, the annual Kīlauea...

Several newly published USGS data releases provide data on Kīlauea thermal maps during the 2018 lower East Rift Zone eruption, tiltmeter data from...

During the week of April 10, the Hawaiian Volcano Observatory upgraded the Hualālai Repeater station and installed a new webcam looking at the...

Fieldwork for the Kīlauea Seismic Imaging Project, which will provide a new detailed view of shallow subsurface structures and the magma system...

While our attention is generally drawn to the Island of Hawai‘i’s most active volcanoes, Kīlauea and Mauna Loa, it is also important to keep watch on...

What makes a volcano a volcano? This was the topic of a “Volcano Watch” article about 20 years ago. Recent questions from visitors suggest this...

The original purpose of geologic mapping in Hawaiʻi was to understand the distribution of groundwater and soils to support agriculture. But as...

The third in a series of recorded talks by HVO staff that will be posted on our website throughout the month of January. These talks are presented as...

Many messages to AskHVO (askHVO@usgs.gov) request resources relating to geologic maps and geographic information systems (GIS) data. "Is there a map...

In the past, HVO would occasionally post images of people collecting lava samples on our website. These photos usually featured a person (with little...