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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 — Comparing today’s Kīlauea summit lava lake with past observations

Volcano Watch — Comparing today’s Kīlauea summit lava lake with past observations

The February 3rd installment of “Volcano Watch" introduced some of the data streams that are used to monitor eruption pauses and renewals at Kīlauea’s...

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Volcano Watch — Was volcanism in eastern Turkey related to Bronze Age floods?

Volcano Watch — Was volcanism in eastern Turkey related to Bronze Age floods?

Question: what is arguably one of the most widely recognized volcano names in the world due to its references in the Old Testament?

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Volcano Watch — Something new from something old: A new Geologic Map of the State of Hawaiʻi

Volcano Watch — Something new from something old: A new Geologic Map of the State of Hawaiʻi

The original purpose of geologic mapping in Hawaiʻi was to understand the distribution of groundwater and soils to support agriculture. But as...

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Volcano Watch — Tonga eruption recorded on Hawaii infrasound network and globally

Volcano Watch — Tonga eruption recorded on Hawaii infrasound network and globally

Hunga Tonga-Hunga Ha’apai volcano located in the Kingdom of Tonga produced a powerful eruption on January 15 just after 5 p.m. Tonga Time (TOT). The...

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Volcano Watch — Kīlauea’s summit glow that comes and goes

Volcano Watch — Kīlauea’s summit glow that comes and goes

Kīlauea’s summit glow comes and goes frequently these days. This is due to a pattern of pauses in lava lake activity within Halema‘uma‘u crater over...

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Volcano Watch — Kamaʻehuakanaloa — the volcano formerly known as Lōʻihi Seamount

Volcano Watch — Kamaʻehuakanaloa — the volcano formerly known as Lōʻihi Seamount

Kamaʻehuakanaloa volcano may seem unfamiliar, perhaps because its name was recently updated: in July 2021, Lōʻihi Seamount was renamed...

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Volcano Watch — Deciphering explosive behavior at Mauna Loa

Volcano Watch — Deciphering explosive behavior at Mauna Loa

Mauna Loa is known for its effusive eruptions that produce spectacular lava flows. However, some of the volcanic products found on Mauna Loa are...

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Volcano Watch — HVO erupts with gratitude for University of Hawaiʻi partners

Volcano Watch — HVO erupts with gratitude for University of Hawaiʻi partners

Thanks to late Hawaii Senator Daniel Inouye, the University of Hawaiʻi at Hilo (UHH), and the Center for the Study of Active Volcanoes (CSAV), a...

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Volcano Watch — The legacy of Alexander Lancaster

Volcano Watch — The legacy of Alexander Lancaster

Known to many as “Pele’s Grandson,” Alexander (“Alex” or “Alec”) Lancaster guided both tourists and scientists to Hawai‘i’s volcanoes for over forty...

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Volcano Watch — Should old eruptions be forgot? Increase your volcano awareness this January

Volcano Watch — Should old eruptions be forgot? Increase your volcano awareness this January

We traditionally spend the New Year singing “Auld Lang Syne,” a song that reminisces about times long past. For the first month of the New Year, staff...

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Volcano Watch — Infrared (IR) measurements help HVO scientists unravel Kīlauea’s gas chemistry

Volcano Watch — Infrared (IR) measurements help HVO scientists unravel Kīlauea’s gas chemistry

Most people in Hawai‘i know about sulfur dioxide (SO2) gas, the major component of vog.  But, have you ever found yourself wanting to know the SO2/HCl...

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Volcano Watch — HVO’s ongoing recovery from the 2018 Kīlauea eruption

Volcano Watch — HVO’s ongoing recovery from the 2018 Kīlauea eruption

Communities on the Island of Hawai‘i continue to recover from Kīlauea’s 2018 lower East Rift Zone eruption and summit collapse as does the USGS...

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