Hawaiian Volcano Observatory

News

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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Date published: July 13, 2020

New USGS Data Release - Digital elevation model of Kīlauea Volcano, Hawai‘i, based on July 2019 airborne lidar surveys

The USGS has recently published a "Digital elevation model of Kīlauea Volcano, Hawai‘i, based on July 2019 airborne lidar surveys." The surveys covered 219 square miles (567 sq km) and included Kīlauea Volcano's summit, lower East Rift Zone, and middle East Rift Zone (including the entire Pu‘u ‘Ō‘ō...

Date published: July 9, 2020

Volcano Watch—A Legendary part of the Wailuku River is again revealed

The "Hawaiian Sup‘pa Man," demi-god Maui, had several adventures on the Wailuku River in the legendary past. He rescued his mother, Hina, who lived in the cave behind Waiānuenue (Rainbow Falls), from Kuna, a threatening mo‘o (legendary giant lizard), eventually killing him and leaving his body as a small island in the pool fronting Hina's cave.

Date published: July 3, 2020

USGS HVO Press Release—Magnitude-4.3 earthquake under Kīlauea Volcano's south flank

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.3 earthquake located beneath Kīlauea Volcano's south flank on Friday, July 3, at 2:19 p.m., HST.

Date published: July 3, 2020

USGS HVO Press Release—Magnitude-4.6 earthquake on Kīlauea Volcano’s south flank

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.6 earthquake located beneath Kīlauea Volcano's south flank on Thursday, July 2, at 11:20 p.m., HST.

Date published: July 2, 2020

Volcano Watch—Tech talk part 2: Schematic diagram of one HVO technician's position

Last week's "Volcano Watch" article introduced the role of "technician" at the USGS Hawaiian Volcano Observatory (HVO). This week, we present the introspective of Steven Fuke's life (schematic diagram) as an "electronics technician" at HVO through his experiences,...

Date published: June 25, 2020

Volcano Watch—Tech talk part 1: Electronic "doctor" tracks health of monitoring stations

As part of Volcano Awareness Month earlier this year, "Volcano Watch" featured five articles focused on different roles at the USGS Hawaiian Volcano Observatory (HVO). These articles described the roles of "geodesist," "...

Date published: June 18, 2020

Volcano Watch—Extraordinary tenure ends for leader of USGS Hawaiian Volcano Observatory

The extraordinary leadership of Tina Neal as Scientist-in-Charge (SIC) of the USGS Hawaiian Volcano Observatory (HVO) comes to an end this week, when she returns to the Alaska Volcano Observatory after fulfilling her five-year commitment to HVO. David Phillips, HVO’s Deputy SIC, will take the helm until Tina’s successor arrives. 

Date published: June 11, 2020

Volcano Watch—Kīlauea’s 1952 summit eruption ended a long period of inactivity

On June 27, 1952, an eruption started at the summit of Kīlauea Volcano, ending a period of quiescence that had lasted nearly 18 years.

Date published: June 8, 2020

New resource on health hazards of volcanic and geothermal gases

The International Volcanic Health Hazard Network (IVHHN) in cooperation with USGS, has released "The Health Hazards of Volcanic and Geothermal Gases: a Guide for the Public." The 20-page booklet addresses health hazards and impacts of volcanic and geothermal gases and aerosols.

Date published: June 8, 2020

Updates to HVO's Kīlauea and Mauna Loa "Geology & History" Webpages

HVO has updated the Geology & History webpages for Kīlauea and Mauna Loa volcanoes. These pages now include maps and links to revised tables summarizing volcanic activity over the past ~200 years at each volcano.

You can also access the...

Date published: June 4, 2020

Volcano Watch—The 1919–1920 Mauna Iki eruption at Kīlauea Volcano

As many people have noted, the last global pandemic was raging one hundred years ago.  Kīlauea was erupting 100 years ago, although it was certainly not quite as significant of an event on the world stage. This eruption a century ago produced the Mauna Iki (“little mountain”) lava shield on Kīlauea’s Southwest Rift Zone.

Date published: May 28, 2020

Volcano Watch — New assessment of Kīlauea’s extreme SO2 emission rates in 2018

If you were around the Island of Hawai‘i—or even other Hawaiian Islands, or Guam!—between May and August of 2018, you likely know that Kīlauea’s lower East Rift Zone (LERZ) eruption released a lot of sulfur dioxide (SO2). But how much is a lot?