News

Of the more than 30 eruptions of Mauna Loa in the last hundred years, the 1975 and 1984 eruptions are the first events for which we have detailed...

Volcanologists have long known that when molten rock rises to within 2-10 km (1-6 miles) of the Earth's surface, the overlying ground is often pushed...

"Volcano Watch" often responds to a question from an interested citizen. A resident of Makawao, Maui, asked about the stability of Kīlauea and whether...

Spectacular lava drapery and falls at new Kamoamoa entry.

A few days before the long Labor Day weekend, Hawai'i County officials closed the newly opened Lava Viewing road because a surface lava flow was...

Forty years ago, at 12:36 p.m. on September 21, a swarm of large, shallow earthquakes accompanied by strong harmonic tremor began to emanate from the...

The four youngest vents on West Maui erupted between 610,000 and 385,000 years ago. These newly determined radiometric ages remind us that sporadic...

Nothing is constant except change. On August 17 the Kalapana road was reopened, allowing visitors access to a short trail and fine view point...

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...