Volcano Watch

The U.S. Geological Survey's Hawaiian Volcano Observatory currently operates a network of 65 seismic stations. Signals from each station, including...

Haleakalā Crater is a large erosional valley at the summit of Haleakalā volcano, East Maui. It formed after the rimrock lava flows were erupted around...

March 5 is the 36th anniversary of one of Kīlauea's most important eruptions—the 1965 eruption that formed Makaopuhi lava lake. It was the fifth of...

Several scientists from the Hawaiian Volcano Observatory and the University of HAW‘A‘āII attended the Cities on Volcanoes II conference held in...

Whenever a large, destructive earthquake occurs anywhere in the world, such as those in Sumatera and El Salvador on January 13, there is an agency...

The tiny, crescent-shaped island of Molokini lies 4.2 km (3 miles) offshore of Haleakalā volcano, East Maui. Molokini is a volcanic cone that rises...

Many readers have visited Halema`uma`u, but how many have turned the other way and walked across Crater Rim Drive? Within 800 m (half a mile)...

With east Hawai'i in the throes of "vog season" over the past several months, the National Park Service (NPS) and U.S. Geological Survey's Hawaiian...

The Hawaiian Islands are home to thousands of plant and animal species found nowhere else in the world. Protecting these native species against the...

If we had a dime for every time we've heard a visitor ask, "When is the volcano going to erupt?," we wouldn't be rich, but at least we could go out to...