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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 - January 26, 2012

Photo and Video Chronology - Kīlauea - January 26, 2012

Lava lake in Pu‘u ‘Ō‘ō, and surface lava on episode 61 flow field.

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Volcano Watch —With a little help from our friends: Volunteers contribute to HVO's success

Volcano Watch —With a little help from our friends: Volunteers contribute to HVO's success

More than 300 employees—scientists, technicians, and support staff—have worked at HVO over the past century, but the observatory could not have been...

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USGS HVO Press Release — Kīlauea's Volcanic Gases and Their Environmental Impacts

USGS HVO Press Release — Kīlauea's Volcanic Gases and Their Environmental Impacts

Hawai‘i National Park, HI — The public is invited to learn about Kīlauea's volcanic gases and vog (volcanic air pollution) in an “After Dark in the...

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Photo and Video Chronology - Kīlauea - January 25, 2012

Photo and Video Chronology - Kīlauea - January 25, 2012

Video of spattering in Halema‘uma‘u lava lake.

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USGS HVO Press Release — A 100-year-long History of Earthquakes and Seismic Monitoring in Hawai‘i

USGS HVO Press Release — A 100-year-long History of Earthquakes and Seismic Monitoring in Hawai‘i

HAWAI‘I ISLAND, Hawai‘i —The history of earthquakes and seismic monitoring in Hawai‘i during the past century will be the topic of a presentation at...

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USGS HVO Press Release — Magnitude 4.7 Earthquake on the South Flank of Kīlauea Volcano

USGS HVO Press Release — Magnitude 4.7 Earthquake on the South Flank of Kīlauea Volcano

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude 4.7 earthquakelocated beneath Kīlauea volcano's south flank on...

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Volcano Watch — Seismologist Jerry Eaton gives the Observatory a technology boost in the 1950s

Volcano Watch — Seismologist Jerry Eaton gives the Observatory a technology boost in the 1950s

From 1912 to 1950, HVO used mechanical seismometers, called tromometers (derived from "tremble"), that recorded the vibrations sensed by a long...

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USGS HVO Press Release — Mauna Loa: How Well Do You Know the Volcano in Your Backyard?

USGS HVO Press Release — Mauna Loa: How Well Do You Know the Volcano in Your Backyard?

Hawai‘i National Park, HI — Mauna Loa’s past eruptions and current status are the topic of an “After Dark in the Park” program in Hawai‘i Volcanoes...

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USGS HVO Press Release — Hawaiian Volcano Observatory Marks a Century of Research and Monitoring

USGS HVO Press Release — Hawaiian Volcano Observatory Marks a Century of Research and Monitoring

Hawai‘i ISLAND, Hawai‘i — In 2012, the U.S. Geological Survey's Hawaiian Volcano Observatory celebrates its 100th anniversary of studying the...

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USGS HVO Press Release — Engage in Hands-On Science at the Hawaiian Volcano Observatory’s Centennial Open House

USGS HVO Press Release — Engage in Hands-On Science at the Hawaiian Volcano Observatory’s Centennial Open House

Hawai‘i ISLAND, Hawai‘i — The U.S. Geological Survey’s Hawaiian Volcano Observatory celebrates 100 years of cutting-edge volcano monitoring with a...

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Photo and Video Chronology - Kīlauea - January 12, 2012

Photo and Video Chronology - Kīlauea - January 12, 2012

Spattering in Pu‘u ‘Ō‘ō and Episode 61 flow field.

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Volcano Watch — How it all began—the first steps toward volcano monitoring in the United States

Volcano Watch — How it all began—the first steps toward volcano monitoring in the United States

Last week's Volcano Watch described the events and efforts that led up to Thomas Jaggar's arrival on Kīlauea to start monitoring the volcano.

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