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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-4.2 earthquake southeast of Volcano, Hawai‘i

USGS HVO Press Release — Magnitude-4.2 earthquake southeast of Volcano, Hawai‘i

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.2 earthquake on Saturday, April 27, 2019, at 5:26 p.m. HST.

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Photo and Video Chronology - Kīlauea - April 27, 2019

Photo and Video Chronology - Kīlauea - April 27, 2019

Webcam check at Halema‘uma‘u

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Volcano Watch — What we've learned from Kīlauea's 2018 lower East Rift Zone eruption

Volcano Watch — What we've learned from Kīlauea's 2018 lower East Rift Zone eruption

May 3, 2019, marks the one-year anniversary of the start of Kīlauea Volcano's 2018 lower East Rift Zone eruption. Over the past year, USGS Hawaiian...

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Photo and Video Chronology - Mauna Loa - April 24, 2019

Photo and Video Chronology - Mauna Loa - April 24, 2019

Routine visit to Mauna Loa summit.

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Volcano Watch - What caused—or did not cause—the 2018 Kīlauea eruption?

Volcano Watch - What caused—or did not cause—the 2018 Kīlauea eruption?

When a major geologic event occurs, scientists who study such events and the people who are directly or indirectly impacted by it seek to understand...

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Public talks about Kīlauea Volcano's 2018 events

Public talks about Kīlauea Volcano's 2018 events

Details about two upcoming talks presented by HVO scientists on April 23 and May 2 are posted.
 

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Photo and Video Chronology - Kīlauea - April 15, 2019

Photo and Video Chronology - Kīlauea - April 15, 2019

MultiGAS instruments monitor volcanic gases at the summit

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USGS HVO Press Release — Magnitude-5.3 earthquake east of Kalaoa, Island of Hawai‘i

USGS HVO Press Release — Magnitude-5.3 earthquake east of Kalaoa, Island of Hawai‘i

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-5.3 earthquake on Saturday, April 13, 2019, at 5:09 p.m. HST. 

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Photo and Video Chronology - Mauna Loa - April 12, 2019

Photo and Video Chronology - Mauna Loa - April 12, 2019

HVO scientists inspect monitoring instruments on Mauna Loa. 

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Volcano Watch - Recent ground control survey helps finalize USGS lava thickness map

Volcano Watch - Recent ground control survey helps finalize USGS lava thickness map

In February 2019, the USGS Hawaiian Volcano Observatory (HVO) released a preliminary map of lava flow thicknesses for Kīlauea Volcano's 2018 lower...

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Updates on Kīlauea, Mauna Loa, and HVO's future

Updates on Kīlauea, Mauna Loa, and HVO's future

HVO Scientist-in-Charge Tina Neal talked about the status of Kīlauea and Mauna Loa volcanoes.

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Geologic map of the central-southeast flank of Mauna Loa volcano, Island of Hawaiʻi, Hawaiʻi

Geologic map of the central-southeast flank of Mauna Loa volcano, Island of Hawaiʻi, Hawaiʻi

Geologic map of the central-southeast flank of Mauna Loa volcano, Island of Hawaiʻi, Hawaiʻi: USGS Scientific Investigations Map 2932–B 

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