News

In early September of 2010, a pattern of increased earthquake activity occurred at the Mount Merapi volcano in Indonesia. A few days later, an...

It's January 2017, and, in addition to wishing you Hau‘oli Makahiki Hou (Happy New Year), the USGS Hawaiian Volcano Observatory (HVO) welcomes you to...

How many potentially active volcanoes are there in the United States?

Ongoing activity at Kamokuna ocean entry

When earthquake swarms happen at Yellowstone, we receive a lot of questions about whether the volcano is headed toward eruption. The swarm in June...

Kamokuna lava delta collapse also takes part of old sea cliff

As the East Rift Zone eruption begins its 35th year, let's review what happened over the past 12 months.

In 1888, Tavernier went one step further and created what we would now call a virtual reality depiction of Kīlauea volcano—the "Panorama of Kīlauea,"...

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded an offshore magnitude-4.5 earthquake south the Island of Hawai‘i on Sunday...

Have you ever wondered why Kīlauea Volcano's current lava flow is called the "61g" flow? To explain, we must go back to the beginning of the ongoing...