Hawai'i Volcano Blog
Hawai‘i Volcano Watch: Kīlauea Volcano’s Summit Eruption is Now a Decade Old
Conditions around Kīlauea Volcano’s summit were much different 10 years ago than they are today.
Hawai‘i Volcano Overflight: Huge Plates of Lava
Huge plates of hardened pahoehoe floated on a river of lava that snaked its way several hundred yards downslope.
Hawai‘i Volcano Activity Update: Mar. 8, 2018
The East Rift Zone lava flow remains active downslope of Pu‘u ‘Ō‘ō.
Hawai‘i Volcano Watch: Is the Current Summit Eruption a Return to Kīlauea’s Past?
The USGS Hawaiian Volcanoes Observatory recaps the history of past Halemaʻumaʻu eruptions.
Hawai‘i Volcano Overflight: Multitude of Lava Flows
Rainy skies didn’t inhibit Paradise Helicopters’ lava overflight on the morning of Thursday, March 1, 2018.
Hawai‘i Volcano Activity Update: Mar. 1, 2018
The active lava flows do not pose an immediate threat to nearby communities.
Hawai‘i Volcano Watch: Monitoring Hawaiian Volcanoes Requires a Diversified Toolkit
A closer look at the instruments in HVO’s volcano monitoring network.
Volcano Activity Update: Feb. 22, 2018
A magnitude-3.2 earthquake with three or more felt reports occurred eight miles southwest of Volcano this week.
Hawai‘i Volcano Watch: Slow Slip on Kīlauea’s South Flank Expected this Year
The last slow slip event at Kīlauea Volcano’s South Flank occurred in October 2015.
Hawai‘i Volcano Overflight: Tremendous Surge of Lava
The collapse of nearly the entire east wall of the lava lake within the Puu’u ‘O’o Vent was overshadowed by many lava flows on the Pali on Feb. 20.
Hawai‘i Volcano Overflight: Many Lava Flows
Several streams of pahoehoe, ending in a‘a were discovered on the Pali and more flows just above the cliff scarp combined with the steam for dramatic effect.
Hawai‘i Volcano Activity Update: Feb. 15, 2018
One earthquake with three or more felt reports occurred in Hawaiʻi this past week.
Hawai‘i Volcano Watch: Why Are HVO Scientists Talking So Much About Mauna Loa?
USGS Hawaiian Volcano Observatory clarifies a few facts about Mauna Loa’s recent unrest.
Hawai‘i Volcano Overflight: Puʻu ʻŌʻō Exudes ‘Nasty Fumes’
The Paradise Helicopters crew was able to access Puʻu ʻŌʻō’s lava lake, albeit briefly, as “nasty fumes chased us away.”
Hawai‘i Volcano Activity Update: Feb. 8, 2018
The flow remained active with scattered breakouts on the pali and coastal plain, but no ocean entry.
Hawai‘i Volcano Watch: Sounds we Can’t Hear Teach us About Lava Lakes
Most lava lake sounds cannot be heard by humans.
Hawai‘i Volcano Activity Update: Feb. 1, 2018
The East Rift Zone lava flow remained active downslope of Pu‘u ‘Ō‘ō during the last week.
Hawai‘i Volcano Watch: Completed Archive Inspires New Column
An archive of Volcano Watch articles are now available to view online.
Hawai‘i Volcano Overflight: Stunning Activity in Puʻu ʻŌʻō Vent’s Lava Lake
The crew from Paradise Helicopters saw stunning activity in the Puʻu ʻŌʻō vent’s lava lake during a Jan. 25 overflight
Hawai‘i Volcano Watch: Why Do Some Earthquakes Have Negative Depths?
For Hawai‘i earthquake depths, the zero point is now sea level. Positive depths indicate downward from sea level, and negative depths indicate upward from sea level.
