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Daily updates about ongoing eruptions, recent images and videos of summit and East Rift Zone volcanic activity, maps, and data about recent earthquakes in Hawaii are posted on the HVO website. 

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and colleagues.

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Photo and Video Chronology - Kīlauea - September 20, 2017

Photo and Video Chronology - Kīlauea - September 20, 2017

Deformation of the lava delta continues

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Photo and Video Chronology - Kīlauea - September 19, 2017

Photo and Video Chronology - Kīlauea - September 19, 2017

Activity continues at the growing lava delta

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USGS HVO Press Release — Magnitude-4.2 earthquake northeast of O‘ahu

USGS HVO Press Release — Magnitude-4.2 earthquake northeast of O‘ahu

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.2 earthquake located off the northeast coast of O‘ahu on Friday...

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Volcano Watch — Mauna Loa update: unrest continues, but the outcome is uncertain

Volcano Watch — Mauna Loa update: unrest continues, but the outcome is uncertain

What's up with Mauna Loa, and is any change in sight?

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Photo and Video Chronology - Kīlauea - September 13, 2017

Photo and Video Chronology - Kīlauea - September 13, 2017

Continued spattering in the summit lava lake

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Photo and Video Chronology - Kīlauea - September 8, 2017

Photo and Video Chronology - Kīlauea - September 8, 2017

Collapses common during significant drops in summit lava lake

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Volcano Watch — When you need information about Hawaiian volcanoes, turn to the USGS

Volcano Watch — When you need information about Hawaiian volcanoes, turn to the USGS

For information about Hawaiian volcanoes, a good place to start is the U.S. Geological Survey (USGS). Between its websites and publications, abundant...

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Photo and Video Chronology - Kīlauea - September 1, 2017

Photo and Video Chronology - Kīlauea - September 1, 2017

Activity continues at the Kamokuna ocean entry and along the 61g flow field

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Volcano Watch — Tephra deposit names: out with the old, in with the new!

Volcano Watch — Tephra deposit names: out with the old, in with the new!

The caldera was a dynamic place during the 300-plus years just before written history began at Kīlauea (in 1823), and the newly defined subdivisions...

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Volcano Watch — Creative engineering helps HVO monitor Mauna Loa Volcano

Volcano Watch — Creative engineering helps HVO monitor Mauna Loa Volcano

The USGS Hawaiian Volcano Observatory (HVO) has a long tradition of innovation when it comes to the tools that we use to monitor the status and...

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Photo and Video Chronology - Kīlauea - August 21, 2017

Photo and Video Chronology - Kīlauea - August 21, 2017

Short-lived lava falls at Kamokuna ocean entry

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USGS HVO Press Release — Magnitude-4.1 earthquake east of the Island of Hawaiʻi

USGS HVO Press Release — Magnitude-4.1 earthquake east of the Island of Hawaiʻi

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.1 earthquake east of the Island of Hawaiʻi on Friday, August 18...

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