News

Ground deformation is one of the primary ways that scientists at the Hawaiian Volcano Observatory (HVO)—and other volcanologists all over the world...

Have you ever noticed the "bathtub ring" in Halema`uma`u? Look into the crater from Jaggar Overlook—or via HVO's Halema`uma`u Webcam—and you'll see a...

You probably know that Captain James Cook was the first European to encounter the Hawaiian Islands, which he named the "Sandwich Islands" after his...

When filling out felt earthquake reports, many people describe strange behavior by their pets just before an earthquake.

As the largest volcano in the world, Mauna Loa's bulk dominates Hawai`i Island. Understandably, it might be viewed as a solid, immovable mountain...

As candidates spar over the current economic crisis, how it happened, and how we might recover, one thing seems clear here in Hawai`i: Kīlauea is in...

This week, access to Turrialba Volcano National Park in Costa Rica, was temporarily closed because elevated gas emissions were blown into visitor...

Ever heard of Higaturu? How about Popendetta? You'll find the town of Popendetta on a map of Papua New Guinea, about 90 miles northeast of Port...

Comparative views of the 1949 cinder-and-spatter and 1940 vent cones.

For the first time since the new vent opened in Halema‘uma‘u Crater on March 19, HVO A magnitude-4.3 earthquake was located beneath the south flank of...