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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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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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USGS HVO Press Release — The Story of the Hawaiian Volcano Observatory: 100 Years of Tracking Eruptions and Earthquakes

USGS HVO Press Release — The Story of the Hawaiian Volcano Observatory: 100 Years of Tracking Eruptions and Earthquakes

Hawai‘i ISLAND, Hawai‘i — The story of the Hawaiian Volcano Observatory, which celebrates its 100th anniversary this month, is the topic of an “After...

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USGS HVO Press Release — Current status of Hawai‘i Island's volcanoes presented in Kona

USGS HVO Press Release — Current status of Hawai‘i Island's volcanoes presented in Kona

Hawai‘i ISLAND, Hawai‘i – The current status of Hawai‘i Island's active volcanoes and how they are monitored will be the topic of a Volcano Awareness...

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Volcano Watch — The Hawaiian Volcano Observatory is 100 years old this month

Volcano Watch — The Hawaiian Volcano Observatory is 100 years old this month

After almost three years of preparing and fund raising, Thomas A. Jaggar, Jr., arrived at the rim of Kīlauea on January 17, 1912, and began a...

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USGS HVO Press Release — Volcano scientist presents two talks about Kīlauea's ongoing eruption

USGS HVO Press Release — Volcano scientist presents two talks about Kīlauea's ongoing eruption

HAWAI‘I ISLAND, Hawai‘i – Matt Patrick, a geologist with the U.S. Geological Survey's Hawaiian Volcano Observatory will present two talks about...

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Volcano Watch — End of an Era at the Hawaiian Volcano Observatory

Volcano Watch — End of an Era at the Hawaiian Volcano Observatory

As many are undoubtedly aware, the Hawaiian Volcano Observatory (HVO) marks the Centennial of its founding in January 2012 (see http://hvo.wr.usgs.gov...

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