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Volcano Watch

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 

Filter Total Items: 1785
Volcano Watch — A Legendary part of the Wailuku River is again revealed

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...

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

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...

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

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...

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

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...

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

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.

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Volcano Watch — The 1919–1920 Maunaiki eruption at Kīlauea Volcano

Volcano Watch — The 1919–1920 Maunaiki 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...

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

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...

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Volcano Watch — Several notable Kīlauea anniversaries occur at the end of May

Volcano Watch — Several notable Kīlauea anniversaries occur at the end of May

The past two years of "Volcano Watch" articles from late May focused on commemorating the 49th and 50th anniversaries of the Mauna Ulu eruption...

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Volcano Watch — Coming home: HVO welcomes Deputy Scientist-in-Charge David Phillips

Volcano Watch — Coming home: HVO welcomes Deputy Scientist-in-Charge David Phillips

It takes a village to run a volcano observatory. The position of Deputy Scientist-in-Charge (DSIC), once called Operations Manager but always known as...

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Volcano Watch — HVO assists CSAV with International Training

Volcano Watch — HVO assists CSAV with International Training

The mission of the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) is "to monitor, investigate, and assess hazards from active volcanoes...

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Volcano Watch — Looking for maps? GIS data? Try the HVO publications page!

Volcano Watch — Looking for maps? GIS data? Try the HVO publications page!

Many messages to AskHVO (askHVO@usgs.gov) request resources relating to geologic maps and geographic information systems (GIS) data. "Is there a map...

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Volcano Watch — Increasing magma pressure most likely culprit in triggering the 2018 Kīlauea eruption

Volcano Watch — Increasing magma pressure most likely culprit in triggering the 2018 Kīlauea eruption

This week, many of us read news coverage of a recent study suggesting that unusually heavy rainfall triggered the 2018 eruption of Kīlauea. To address...

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Volcano Watch — April 1980 was a month to remember at Mount St. Helens

Volcano Watch — April 1980 was a month to remember at Mount St. Helens

Mount St. Helens was exploding! The first eruption in the Cascades since 1914–1917 (Lassen Peak) started on March 27, 1980. April became a frenzied...

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Volcano Watch — Aloha and Happy Retirement to Janet Babb

Volcano Watch — Aloha and Happy Retirement to Janet Babb

With heavy heart, the USGS Hawaiian Volcano Observatory (HVO) bids aloha to Janet Babb, outreach geologist and educator extraordinaire who retired...

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Volcano Watch — HVO looks to the past to better understand future Mauna Loa eruptions

Volcano Watch — HVO looks to the past to better understand future Mauna Loa eruptions

Mauna Loa, the largest active volcano on Earth, has erupted, on average, every 5–6 years during the past 3,000 years.

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Volcano Watch — Water, ash, and the great unknown of explosive volcanic eruptions

Volcano Watch — Water, ash, and the great unknown of explosive volcanic eruptions

The presence of water in Halema‘uma‘u has sparked an important discussion about what the pond means for future eruptions at Kīlauea Volcano. There are...

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Volcano Watch — HVO's geological sample collections are an important resource

Volcano Watch — HVO's geological sample collections are an important resource

In the past, HVO would occasionally post images of people collecting lava samples on our website. These photos usually featured a person (with little...

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Volcano Watch — Old bombs found on Mauna Loa: The rest of the story (Part 2)

Volcano Watch — Old bombs found on Mauna Loa: The rest of the story (Part 2)

Last week's Volcano Watch provided details of events leading up to the dropping of bombs on a Mauna Loa lava flow on December 27, 1935. Here's the...

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Volcano Watch — Old bombs found on Mauna Loa: The rest of the story (Part 1)

Volcano Watch — Old bombs found on Mauna Loa: The rest of the story (Part 1)

In late February 2020, Hawaii media reported on the recent discovery of two bombs on the north flank of Mauna Loa, but details were lacking. Today, we...

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Volcano Watch — This week marks 65 years since Kīlauea Volcano's 1955 eruption

Volcano Watch — This week marks 65 years since Kīlauea Volcano's 1955 eruption

February 28, 2020, marks the 65th anniversary of Kīlauea Volcano's 1955 lower East Rift Zone (LERZ) eruption. In recognition of this historic event...

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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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