News

In recent weeks, the USGS Hawaiian Volcano Observatory (HVO) joined forces with several other agencies to talk about Mauna Loa at community events and...

If you've been paying attention to monitoring data from Yellowstone or reading the Yellowstone Volcano Observatory (YVO) monthly updates, you might...

If you visit Hawai‘i Volcanoes National Park's Jaggar Museum Overlook when the wind is calm, you might be able to hear the sounds of gas bubbles...

We all know what it is like to experience strain. The pressures of everyday life can leave you feeling contorted and stretched. It turns out...

In November 2017, "Volcano Watch" entered its 27th year of publication. The long history of this column is, in large part, thanks to the U.S...

Volcanic Air Pollution Hazards in Hawaii is an updated fact sheet that provides information on the science of Kīlauea's volcanic air pollution, known...

A 24-minute USGS video recounts the eruptive history of Halema'uma'u and tells the story of Kīlauea Volcano's current summit eruption, from its start...

Clear skies on Kīlauea Volcano

If you've visited Yellowstone, you've probably noticed that some thermal areas have a distinctive smell. This is due to the gas that discharges from...

Astute visitors to the USGS Hawaiian Volcano Observatory (HVO) website may have noticed that some recent earthquakes have negative depths. This does...