Hawai'i Volcano Blog
Volcano Activity Update: June 23, 2017
GPS measurements continue to show deformation related to inflation of a magma reservoir beneath the summit and upper Southwest Rift Zone.
Volcano Overflight: Kīlauea’s Lava Delta Continues to Grow
“There was a very active lava lake, numerous pahoehoe and a‘a flows oozing above and on the Pali, and lots of visible lava on the ever-growing ocean entry lava delta on Sunday, June 16, 2017, Father’s Day,” said Tropical Visions Video photographer and videographer Mick Kalber. Paradise pilot Sean Regehr was masterful at the stick, as […]
HVO’s Masked Geologist Heads North to Alaska
HVO’s Tim Orr accepted a research geology position at the Alaska Volcano Observatory (AVO) in Anchorage, so he’s headed north to Alaska.
Volcano Activity Update: June 15, 2017
On the East Rift Zone, the 61g flow remained active, with lava entering the ocean near Kamokuna and scattered surface breakouts downslope of Pu‘u ‘Ō‘ō.
Volcano Activity Update: June 8, 2017
Last week, Kīlauea Volcano’s summit lava lake fluctuated in concert with summit inflation and deflation, with levels ranging around 69 to 121 feet below the vent rim. On the East Rift Zone, the 61g flow remained active, with lava entering the ocean near Kamokuna and scattered surface breakouts downslope of Pu‘u ‘Ō‘ō. These flows do […]
Latest Upgrade of Kīlauea Summit Seismic Stations Completed
Field engineers at the Hawaiian Volcano Observatory recently completed a multi-year effort to upgrade seismic stations at the summit of Kīlauea Volcano.
Volcano Overflight: Kīlauea Lava and Rainbows
Amazing rainbows over a very active lava lake, a variety of gorgeous pahoehoe flows, an ocean entry lava delta, a quarter-mile long black sand beach…
Tracking the Latest Moves of Kīlauea and Mauna Loa
About 20 tiltmeters are currently installed on Kīlauea and Mauna Loa volcanoes.
Volcano Overflight: Black Sand Beach Continues to Grow
A marvelously active lava lake, gorgeous pahoehoe flows, an ever-expanding ocean entry lava delta and a black sand beach growing rapidly…
Volcano Activity Update: June 1, 2017
On the East Rift Zone, the 61g flow remained active, with lava entering the ocean near Kamokuna and scattered surface breakouts downslope of Pu‘u ‘Ō‘ō…
Volcano Overflight: New Lava Delta Expanding
Lava has advanced about a quarter-mile toward the ocean on the coastal flats.
Volcano Activity Update: May 25, 2017
On the East Rift Zone, the 61g flow remained active, with lava entering the ocean near Kamokuna and surface breakouts downslope of Pu‘u ‘Ō‘ō.
Volcanoes, Landslides and Angry Gods—A Pacific Northwest Connection
Both volcanoes and landslides are important for landscape evolution in Hawai‘i and worldwide.
Volcano Overflight: Pele Flows Downhill
Pele’s surface lava has finally reached the steepest portion of the Pali and numerous breakouts sent lava coursing down the hill
HVO’s Website Makeover is More than Skin Deep
The new website features interactive maps that display earthquake and monitoring data and you can view near-real-time data streams across all monitored volcanoes
Volcano Overflight: More Lava Flows Going Down the Pali
Active lava lake and more lava flows going down the Pali, ocean entry lava delta growing rapidly
Geologist Recalls Mount St. Helens Eruption 37 Years Ago
The science of volcanology was changed forever, and today the risks from future eruptions anywhere in the world are lessened because of what happened on that fateful day.
Volcano Overflight: Portion of Lava Delta Collapses
The front portion of the lava delta collapsed recently, but dozens of lava rivulets have begun the rebuilding process.
HVO Digitizes Earthquake Records
Hawaiian Volcano Observatory has transformed stacks of paper earthquake records into digital squiggles.
Volcano Activity Update: May 4, 2017
On May 3, the front section of the Kamokuna lava delta collapsed into the sea, a reminder that new land created by ocean entries is highly unstable…
