Hawaiian Volcano Observatory


HVO monitors the active volcanoes in Hawaii, assesses their hazards, issues warnings, and advances scientific understanding to reduce impacts of volcanic eruptions. 

Recent Kīlauea Eruption Information


Date published: July 23, 2021

New USGS Data Release — Unoccupied Aircraft Systems (UAS) video of the 2018 summit eruption of Kīlauea Volcano, Hawaii

The USGS recently published "Unoccupied Aircraft Systems (UAS) video of the 2018 summit eruption of Kīlauea Volcano, Hawaii." The Data Release contains Unoccupied Aircraft Systems (UAS) footage from the 2018 summit collapse of Kīlauea Volcano, Island of Hawai‘i. 

Date published: July 23, 2021

Photo and Video Chronology – Kīlauea – July 22, 2021

Kīlauea's summit is no longer erupting; lava supply to the Halemaʻumaʻu lava lake has ceased and sulfur dioxide emissions have decreased to near pre-eruption background levels. HVO field crews—equipped with specialized safety gear—monitor for new changes from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

Date published: July 22, 2021

Volcano Watch — Stressed out: Hawaiian volcanoes are heavy

Many people living in the Hawaiian Islands are accustomed to feeling occasional earthquakes since the State of Hawaii is one of the most seismically active locations in the United States. Unlike some other earthquake-prone places in the U.S., for example California, where the earthquakes are related to tectonic plates sliding past each other, our earthquakes are related to volcanoes.  

Find a U.S. Volcano