By Ryan Johnson Hundreds of volcanoes exist in the United States. Most are considered dormant and haven’t erupted for more than 10,000 years. That doesn’t mean that they can’t or won’t. Dr. Gary Michelfelder, assistant professor in the department of geography, geology and planning at Missouri State University, says that though you may not know […]

The seabed is not flat and smooth like the shimmering ocean above it. It’s a jagged, uneven landscape of submerged mountains and valleys, all hidden from sight – but not from science. By analysing the isotopic composition of the rocks that make up these underwater mountains networks – called mid-ocean ridges – scientists can identify […]

The alert level for Indonesia’s Anak Krakatau volcano has been raised to the second-highest level possible, after a series of eruptions. All flights around the volcano have been rerouted and a 5km (three-mile) exclusion zone has also been imposed. Indonesia’s disaster management agency (BNPB) said the alert level had been raised from level two to […]

January 2019 marks the 10th annual Volcano Awareness Month on the Island of Hawaii. Launched in 2010 and observed every year since, Volcano Awareness Month is one way the USGS Hawaiian Volcano Observatory promotes the importance of understanding the volcanoes on which we live. This past summer’s volcanic activity on Kilauea — collapses within the […]

It’s been a little more than four months since the Kilauea volcano erupted, and giant lava flows swallowed over 700 homes. Now, officials at the Hawaii Volcanoes National Park say it’s once again safe for tourists — just as long as they’re extra cautious when they travel here. Kilauea volcano is one of the most […]