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Date published: October 26, 2021

Photo and Video Chronology – Kīlauea – October 26, 2021

The ongoing eruption at Kīlauea's summit began at 3:21 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u crater. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

Date published: October 25, 2021

New USGS Professional Paper Chapter — A Decade of Geodetic Change at Kīlauea’s Summit— Observations, Interpretations, and Unanswered Questions from Studies of the 2008–2018 Halema‘uma‘u Eruption

A new chapter of USGS Professional Paper 1867, "The 2008–2018 Summit Lava Lake at Kīlauea Volcano, Hawai‘i" was recently published online. The 2008–2018 lava lake at the summit of Kīlauea marked the longest sustained period of lava lake activity at the summit in decades and provided a new opportunity for observing and understanding lava...

Date published: October 25, 2021

Photo and Video Chronology – Kīlauea – October 25, 2021

The ongoing eruption at Kīlauea's summit began at 3:21 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u crater. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

Date published: October 25, 2021

How much heat is emitted by hydrothermal areas on the floor of Yellowstone Lake?

Measuring the heat output of a hydrothermal area is not easy—Earth’s surface is often too noisy for accurate measurements to be made easily.  But the floor of Yellowstone Lake is a thermally quiet environment and provides a unique opportunity to assess heat flow in one of Yellowstone’s most dynamic hydrothermal areas.

Date published: October 21, 2021

Volcano Watch — The Canary Islands “mega-tsunami” hypothesis, and why it doesn’t carry water

The recent eruption on La Palma, in the Canary Islands, has stimulated speculation that the volcano might collapse, creating a tsunami that would devastate the east coast of North and South America. But is such a scenario possible or likely?

Date published: October 20, 2021

Photo and Video Chronology – Kīlauea – October 20, 2021

The ongoing eruption at Kīlauea's summit began at 3:21 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u crater. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

Date published: October 19, 2021

Photo and Video Chronology – Kīlauea – October 19, 2021

The ongoing eruption at Kīlauea's summit began at 3:21 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u crater. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

Date published: October 18, 2021

Photo and Video Chronology – Kīlauea – October 18, 2021

The ongoing eruption at Kīlauea's summit began at 3:21 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u crater. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

Date published: October 18, 2021

Temperature Loggers Shed Light on Past and Future Yellowstone Geyser Activity

Selected hydrothermal features at Yellowstone National Park have data loggers that capture geyser eruption times. A systematic analysis of these data can reveal variations in geyser activity over time and between different geyser basins.

Date published: October 15, 2021

Photo and Video Chronology – Kīlauea – October 15, 2021

The ongoing eruption at Kīlauea's summit began at 3:21 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u crater. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

Date published: October 14, 2021

Volcano Watch — Large Earthquake reminds us to “Drop, Cover, and Hold On”

The magnitude-6.2 earthquake that occurred on Sunday, October 10 at 11:49 a.m. HST, originated just south of the Island of Hawai‘i. The large earthquake, caused by bending of the oceanic plate, serves as a stark reminder that the State of Hawaii is no stranger to potentially damaging earthquakes.

Date published: October 14, 2021

Photo and Video Chronology – Kīlauea – October 14, 2021

The ongoing eruption at Kīlauea's summit began at 3:21 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u crater. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.