Volcano Watch

It is natural for most people, including scientists, to think that the aim of a volcano observatory is to observe and measure ongoing activity...

After years of fund-raising, Thomas Jaggar, Jr., finally got the Hawaiian Volcano Observatory (HVO) up and running at Kīlauea Volcano in January 1912...

Although Kīlauea's eruptive activity has been relatively uneventful the past 11 months, the consensus at the Hawaiian Volcano Observatory (HVO) is...

As we enter the 2012 holiday season, Kīlauea Volcano's continuing eruptions in Halema‘uma‘u at the summit and at Pu‘u ‘Ō‘ō on the middle east rift...

Considering the recent activity in Halema‘uma‘u Crater, just how reliable is its lava-lake level for judging the potential of an upcoming eruptive...

The last month was busy at the Hawaiian Volcano Observatory, with scientists keeping a keen eye on monitoring data and preparing for a possible change...

Last week we discussed the change in seismicity that has occurred at Kīlauea.

Astute watchers of recent earthquake activity at Kīlauea have noticed a marked increase of earthquakes, both within the summit caldera and in a...

A new fact sheet on Mauna Loa titled "Mauna Loa—History, Hazards, and Risk of Living With the World’s Largest Volcano" is now available. This week's...

On trade wind days, which prevail much of the year, visitors to Kīlauea's summit are greeted by the majestic sight of a towering eruption plume that...