Hawaii Volcano Blog

Friday, January 28, 2022

Volcano Watch: Kamaʻehuakanaloa — The Volcano Formerly Known as Lōʻihi Seamount

The new name was unanimously adopted in July 2021 by the Hawaiʻi Board on Geographic Names.
Friday, January 21, 2022

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 pyroclastic or explosive in character.
Tuesday, January 18, 2022

Lack of Trade Winds Shift Vog Over E. Hawaiʻi

Vog, the hazy mixture of sulfur dioxide gas and aerosols, which can affect broad areas downwind of volcanic eruptions, moved back into the air — and lungs — of the Big Island for several days the first week of the new year and early last week.
Thursday, January 06, 2022

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 years, from 1885 to 1928.
Friday, December 31, 2021

Volcano Watch: Should Old Eruptions be Forgot? Increase Your Volcano Awareness This January

January was established as the Island of Hawai‘i’s annual Volcano Awareness Month in 2010 as part of an effort to increase understanding of Hawaiian volcanoes among residents and visitors.
Saturday, December 25, 2021

Volcano Watch: Infrared (IR) Measurements Help HVO Scientists Unravel Kīlauea’s Gas Chemistry

While gases in the air and dissolved volatiles in molten magma (preserved as glass and glass inclusions in minerals) may not seem like they’d be measured the same way, we can use the same principles and techniques to measure both and help us understand eruptive activity.
Friday, December 17, 2021

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 Hawaiian Volcano Observatory.
Friday, December 10, 2021

Volcano Watch: HVO Innovation, 3D Application

The electronics workshop at the USGS Hawaiian Volcano Observatory (HVO) buzzes with creative activity. It’s like Santa Claus’ workshop—for volcano science.
Friday, December 03, 2021

A Cloud of 10K points: Terrestrial Laser Scanning of Halemaʻumaʻu

Scientists at the USGS Hawaiian Volcano Observatory (HVO) largely rely on aerial data collection for making maps of ongoing eruptions at Kīlauea.
Thursday, November 25, 2021

VOLCANO WATCH: The refilling of Halemaʻumaʻu crater

Halemaʻumaʻu crater has undergone repeated changes during the past two centuries. 
Friday, November 19, 2021

30 Years of Volcano Watch

David Clague, former HVO Scientist-In-Charge, initiated this series of weekly articles in late-1991.
Thursday, November 11, 2021

Volcano Watch: Tracking Magma Movement Using Olivine Crystal ‘Clocks’

Lavas and their minerals erupted from Hawaiian volcanoes provide clues to the history of the magmas that are eventually erupted.
Friday, November 05, 2021

Volcano Watch: Alaska Volcano Elusive in Signs of Unrest

Pavlof Volcano, Alaska’s stratovolcano, located within the Aleutian volcanic arc, has remained elusive in yielding clues to impending eruption.
Thursday, October 28, 2021

Volcano Watch: How High is That Lava Fountain?

The onset of an eruption is frequently the most dynamic and vigorous period, requiring a quick evaluation of potential hazards.
Thursday, 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?
Friday, October 15, 2021

Volcano Watch: Large Earthquake reminds us to ‘Drop, Cover, and Hold On’

The large earthquake, caused by bending of the oceanic plate, serves as a stark reminder that the State of Hawaiʻi is no stranger to potentially damaging earthquakes.
Friday, October 08, 2021

What’s That Rising From the Lava Lake?

Recent activity at Kīlauea has USGS Hawaiian Volcano Observatory (HVO) scientists reflecting on prior observations and how they compare to recent activity.
Monday, October 04, 2021

Eruption Update: Kīlauea Calming Down

HVO scales back warning levels at eruption site due to new data Monday.
Wednesday, September 29, 2021

Kīlauea Awakens as New Eruption Commences Wednesday

Kīlauea volcano has stirred awake yet again.
Friday, September 24, 2021

Observations and Impacts of the 2017–18 Ambae, Vanuatu Eruption

The island of Ambae, in Vanuatu, is a large basaltic shield volcano that lies along the subduction zone between Fiji and Papua New Guinea in the South Pacific.
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