U.S. Geological Survey graphic Over the last 13,000 years, Haleakala, considered a waning post-shield volcano, has erupted only 10 percent of the volume of the 8,000-foot Hualalai on the Big ...

Haleakala, a dormant shield volcano rising 10,023 feet above sea level, dominates Maui's southeastern landscape. Its summit features a massive crater nearly 7 miles wide, characterized by ...

The U.S. Geological Survey update on the danger of active volcanoes in the U.S. maintained Haleakala’s assessment at “moderate threat.” The “2018 Update to the U.S. Geological Survey ...

There are two main types of volcano - composite and shield. The two types of volcano form in different places and have very different characteristics. Ash released from shield volcanoes often ...

Read more about Haleakala: http://j.mp/ufv44s The Hawaiian volcano, with its unique vegetation and meditative winds, has a spiritual connection to the native ...

Filmed by Martin C., this clip offers a staggering look at an active volcano. The volcano in question is Piton de la Fournaise (Peak of the Furnace), a tourist hub on Réunion island. From ...

Mount Etna in Sicily, Italy, is an example of a composite volcano. Shield volcanoes do not have such violent eruptions. These volcanoes tend to have gentle slopes and their runnier lava spreads ...