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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 — 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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