Volcano Watch

Several decades ago, a person who had an overly active imagination might have been described as being "out in the ozone." Now just where would that be...

What is the summit elevation of Mauna Loa? 13,677 feet (4168.7 m) according to the 1994 Hawai`i Volcanoes National Park brochure; 13,679 feet (4169.4...

At 2:00 p.m. on Friday, August 17, the County of Hawai`i officially opened to the public a new viewing area of the current eruptive activity. The...

What's the difference between a bench and a boardwalk? Both offer a view of the sea, but while the latter is a pleasant place for a stroll, a walk on...

Every few months HVO receives a phone call from a concerned citizen explaining that steam is billowing from a new hole in a yard or pasture. Is this...

Surfers of our Hawaiian Volcano Observatory (HVO) web site might have noticed that, earlier this year, we rolled out a modified web presentation of...

Every so often we receive a number of inquiries from anxious people in Kona about a possible eruption of Hualālai Volcano. The latest spate of...

The ground surface subsided abruptly about six weeks ago at Pu`u `O`o, Kīlauea Volcano's active cinder-cone vent. Gaping cracks opened around the...

A visitor recently asked, "Does Kīlauea erupt more often at the summit or along its two rift zones?" Let's try to answer that question.

A common sight this time of year, particularly in Puna and the National Park, is a bright yellow tripod topped with a white disk. Usually seen...