Volcano Watch

The earthquake that woke many Big Island residents at 5:47 a.m. on Monday, June 30, was the biggest on the island since February 1, 1994, and the...

Sometimes people call the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) and ask us if more gas is coming out of the volcano because air...

A popular local morning radio program had a contest early last week, and the question posed was "Where is the Valley of Ten Thousand Smokes?"...

Kīlauea's 14-year-old east rift zone eruption continues. Episode 55, ongoing since February 24, 1997, is characterized by shifting vent locations...

What volcano in the United States has been the most deadly since the country was founded? Mount St. Helens? Mount Rainier? Lassen Peak? Good guesses...

Great rift zones define the divergent boundaries in the mosaic of mobile tectonic plates that form the Earth's crust. From these divergent plate...

Once again, with the end of the spring semester, the Center for the Study of Active Volcanoes (CSAV) at the University of Hawaii at Hilo has begun its...

A few evenings ago the staff of the Hawaiian Volcano Observatory took a field trip to Prince Kuhio Plaza to see the latest disaster film, VOLCANO...

Many residents have noticed the bright orange glow coming from Kīlauea's eruption site on recent nights. Judging from the phone calls we receive at...

The Mauna Ulu eruption on Kīlauea's east rift zone began 28 years ago this month, on May 24, 1969. For the next 2.5 years eruption was almost...