Volcano Watch

Many readers know that a party of warriors and their families led by Keoua was decimated by an explosive eruption (called Keonehelelei—the falling...

Though nearly all of the seismic data processing, analysis, and presentation at the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) have...

Locally, the term "vog" has become a household word, with a rash of media articles and even a respectable Wikipedia entry online. After 25 years of...

Humans are an inventive lot, and when faced with adversity, we look for creative ways to fix the problem. Any natural disaster can be separated into...

In contrast to the spectacular incandescent explosions and springtime spatter showers at the Halema`uma`u Overlook in March and April, the eruptive...

Have you ever wondered what it's like to work the night shift at a volcano observatory? Probably not, but for volcanologists, sitting in the glass...

Kīlauea is putting on a tremendous display near Kalapana, where lava is entering the ocean after traveling through a tube system that originates high...

One of the most surprising aspects of the current summit eruption at Kīlauea Volcano, which started in March of this year, is that there has been...

During the evening of April 30, in a distant volcanic region in the southern Andes about 1050 km (650 miles) south of Santiago, Chile, strong ground...

If you keep an eye on the Kīlauea update images posted on the HVO website, you may have noticed over the last few months that we have occasionally...

People who live in areas with high earthquake activity are familiar with the sensation of the earth shaking beneath their feet during an earthquake...

The new Halema`uma`u Overlook vent is now only three months old, and the accompanying plume is relatively small in terms of previous explosive...

Even with the focus on sulfur dioxide gas (SO2) and vog, inquisitive individuals have asked about other things emitted by Kīlauea volcano. Here's the...

Since March 12, when a billowing cloud of fume erupted from the east wall of Halema`uma`u, thousands of Hawai`i residents and visitors have gazed out...

As the vog wears on us, it might be a good time to get out the crystal ball and try to guess what might happen in the next months, years, and even...

After the series of explosions at Halema`uma`u Crater, the overlook area appeared to be a stark, boulder-strewn field completely devoid of life.

Recent activity at Kīlauea's summit caused HVO scientists to hit the books, because such behavior hasn't been previously documented.

Many visitors to the HVO website have asked about the white structures visible in the photos of lava flowing across the coastal plain and into the...

Unusual, tantalizing, mesmerizing. Adrenaline-spiking, mid-life crisis(?). These words have been used in our recent Volcano Watch reports as we...

A human lifespan is but a blink of an eye compared to Kīlauea's 300,000-600,000 years of existence.