Volcano Watch

Over the past three weeks, we've discussed some of the most scientifically important eruptions to have occurred in Hawai‘i since the 1912 founding of...

This week, we continue our series of articles describing the most scientifically important volcanic eruptions in Hawai‘i in recent times. Today's...

In recognition of Volcano Awareness Month (January 2013), this column explores some of the most scientifically important eruptions to have occurred in...

Welcome to the 4th annual Volcano Awareness month!

January 3, 2013, marks the 30th anniversary of Kīlauea's ongoing Pu‘u ‘Ō‘ō eruption. Simplifying the past three decades into a single short article...

To the scientists who monitor the Pu‘u ‘Ō‘ō crater, the scene in this photo seems familiar. A rising lava lake forms a symmetrical, perched lava pond...

'Tis the season for holiday travel, & in this week's Volcano Watch, we will visit El Chichón Volcano, in Chiapas, Mexico. While there are some notable...

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...

Recently, Hawaiian Volcano Observatory scientists have been asked if Hawai‘i Island's geothermal development causes subsidence of the ground surface...

It seems logical that if underground magma can start an eruption by forcing its way to the surface, one might also start an eruption by opening a...

On September 24, 1971, Kīlauea’s southwest rift zone erupted for the first time in 52 years.