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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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Volcano Watch — Chemical analyses shed light on possible origins of island ash deposits

Volcano Watch — Chemical analyses shed light on possible origins of island ash deposits

The origin(s) of volcanic ash deposits on the Island of Hawai‘i have been an enigma, especially those found on and between Kīlauea and Mauna Loa. We...

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Photo and Video Chronology - Mauna Loa - February 18, 2020

Photo and Video Chronology - Mauna Loa - February 18, 2020

Interferogram shows range change at Mauna Loa and Kīlauea
 

Interferogram shows range change at Mauna Loa and Kīlauea

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Volcano Watch — Endangered plant survives volcanic hotspot, but is challenged by invasive species

Volcano Watch — Endangered plant survives volcanic hotspot, but is challenged by invasive species

Portulaca sclerocarpa (also known as ‘Ihi mākole) is a critically endangered small succulent plant in the purslane family (Portulacaceae). It only...

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Volcano Watch — People and jobs at HVO, Part 5: Geologists rock!

Volcano Watch — People and jobs at HVO, Part 5: Geologists rock!

Continuing with the Volcano Awareness Month theme of people and their work at the USGS Hawaiian Volcano Observatory, we move on to another role at HVO...

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USGS HVO Press Release — Magnitude-4.2 earthquake on Kīlauea Volcano's south flank

USGS HVO Press Release — Magnitude-4.2 earthquake on Kīlauea Volcano's south flank

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.2 earthquake located beneath Kīlauea Volcano's south flank on...

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Photo and Video Chronology - Kīlauea - January 31, 2020

Photo and Video Chronology - Kīlauea - January 31, 2020

Halema‘uma‘u crater lake on January 31

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Volcano Watch — People and jobs at HVO, Part 4: The shaky work of HVO seismologists

Volcano Watch — People and jobs at HVO, Part 4: The shaky work of HVO seismologists

When I was seven years old, I won my county's earthquake safety poster contest. I remember going to a special award luncheon with the mayor, who...

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Volcano Watch — HVO people and jobs, Part 3: Gas geochemistry work stinks!

Volcano Watch — HVO people and jobs, Part 3: Gas geochemistry work stinks!

As many residents of the Island of Hawai‘i can attest, volcanic gases can stink—literally. But for those of us at the USGS Hawaiian Volcano...

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Photo and Video Chronology - Kīlauea - January 21, 2020

Photo and Video Chronology - Kīlauea - January 21, 2020

Routine overflight of Kīlauea's East Rift Zone

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Photo and Video Chronology - Kīlauea - January 17, 2020

Photo and Video Chronology - Kīlauea - January 17, 2020

Continued slow rise of water at bottom of Halema‘uma‘u

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Volcano Watch — HVO people and jobs, Part 2: Who and what is the Scientist-in-Charge?

Volcano Watch — HVO people and jobs, Part 2: Who and what is the Scientist-in-Charge?

Since the Hawaiian Volcano Observatory (HVO) was founded by the visionary Dr. Thomas A. Jaggar in 1912, a senior scientist has been responsible for...

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Photo and Video Chronology - Mauna Loa - January 13, 2020

Photo and Video Chronology - Mauna Loa - January 13, 2020

 

Snowfall at Mauna Loa summit

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