News

USGS Hawaiian Volcano Observatory field engineers and gas scientists conducted maintenance in July 2026 on volcano monitoring stations located on...

After nearly a decade as the Hawaii County Civil Defense Administrator, Talmadge Magno will retire on August 1, 2026. 

Talmadge Magno, Administrator of Hawaii County Civil Defense Agency (CD), who navigated the Island of Hawaiʻi response to volcanic eruptions from...

Lava fountaining episode 52 at the summit of Kīlauea took place over about 7.5 hours on July 28-29, 2026, coinciding with a full moon. 

Today, we’re taking a look at how scientists track movement at Earth’s largest active volcano—Mauna Loa. 

The USGS Hawaiian Volcano Observatory (HVO) relies heavily on Global Positioning System (GPS) data to monitor volcanic activity in Hawaii. Data are...

A question we hear often is Will the lava erupting in Halemaʻumaʻu eventually flow out of Kīlauea summit caldera?  

The USGS Hawaiian Volcano Observatory (HVO) has been publishing weekly “Volcano Watch” articles for over 30 years. Now, we are launching another...

USGS Hawaiian Volcano Observatory (HVO) staff are often asked, “Will lava erupted during the ongoing Kīlauea summit eruption in Halemaʻumaʻu...

USGS Hawaiian Volcano Observatory scientists completed a helicopter overflight of Halema‘uma‘u on July 16, following Kīlauea summit eruption episode...