News

Most people likely know that the USGS Hawaiian Volcano Observatory (HVO) uses seismometers and Global Positioning System (GPS) receivers for...

Ever wonder what makes the Norris Geyser Basin in Yellowstone National Park so special? It turns out that the basin not only boasts the hottest...

Poor views at Pu‘u ‘Ō‘ō

Today's Volcano Watch begins with a question: Can you guess when the next slow slip event will happen on Kīlauea Volcano's South Flank? As a hint, the...

‘A‘ā flows at the base of Pūlama pali

Over the past several days, an earthquake swarm has been ongoing at Yellowstone. Before you read any more, keep in mind that swarms like this account...

Heavy rains but normal lava lake activity
 

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...