Hawai'i Volcano Blog
2018 U.S. Volcanic Threat Assessment Released
The United States is one of Earth’s most volcanically active countries with 161 young, active volcanoes within its borders.
HVO UPDATE: Deformation Signals Consistent With Refilling
The Hawaiian Volcano Observatory reports that Kīlauea Volcano is not erupting as of Tuesday, Oct. 23, 2018.
VOLCANO WATCH: Volcanic Ash Raised New Concerns
Kīlauea hazard assessments include analyses of salts on volcanic ash.
HVO UPDATE: Hazards are Still Present
The U.S. Geological Survey released the following weekly update on Tuesday, Oct. 17, 2018.
VOLCANO WATCH: Aftershock Sequences Can Last for Centuries
Aftershocks of the 2018 magnitude-6.9 earthquake expected to continue
HVO UPDATE: Some Magma May Still Be Moving Into East Rift Zone
The U.S. Geological Survey reports that Kīlauea Volcano is not erupting.
HVO: Kīlauea Reactivation Unlikely in Near-Term
Observations of Kīlauea and the East Rift Zone indicate that resumption of eruption or summit collapse is unlikely in the near-term.
No Significant Changes at Fissure 8 or Pu‘u ‘Ō‘ō
The U.S. Geological Survey reports no recent significant changes at Fissure 8 or Pu‘u ‘Ō‘ō.
VOLCANO WATCH: Beginning & End of USGS Scientist’s Career
Volcano collapses mark the beginning and end of USGS scientist’s career.
VIDEO: Still No Lava
Videographer Mick Kalber released this video of an overflight of the East Rift Zone he took with Paradise Helicopters on Wednesday, Oct. 3, 2018.
VOLCANO WATCH: Tiltmeters Measure Changes
The USGS Hawaiian Volcano Observatory (HVO) uses a diverse set of instruments to monitor active volcanoes in Hawai‘i.
No Significant Incandescence Visible From Fissure 8
The U.S. Geological Survey current Volcano Alert Level is at “WATCH,” while the Current Aviation Color Code is “ORANGE” on Tuesday, Sept. 25, 2018.
VIDEO: Overflight of East Rift Zone
Videographer Mick Kalber released a video of an overflight of the East Rift Zone he took with Paradise Helicopters on Thursday, Sept. 20, 2018.
VOLCANO WATCH: Will Caldera Eventually Widen?
Will this summer’s limited collapse of Kīlauea caldera eventually widen?
Hawai‘i Officials Clarify Pohoiki Access Policy
Since the reopening of MacKenzie State Recreational Area on Sept. 8, 2018, many hikers are venturing to Pohoiki, also known as Isaac Hale Beach Park.
VOLCANO WATCH: Seismic Array Will Aid in Understanding Kīlauea’s Magma Transport
Kīlauea Volcano’s 2018 eruption and summit collapse provided a rare opportunity to study dynamic eruptive processes beneath and at the surface of the volcano.
Safety Is Key to Volcanoes Park Reopening
As Hawai‘i Volcanoes National Park prepares to reopen its gates, park officials want to ensure that the public and NVNP staff are as safe as possible.
Series of Small Collapses Occurs at Puʻu ʻŌʻō
On Saturday, Sept. 8, Puʻu ʻŌʻō crater experienced a series of small collapses.
VOLCANO WATCH: Scientists Share Lessons
Scientists share lessons from Kīlauea at “Cities on Volcanoes” conference.
VIDEO: Small Flows Observed Within Fissure 8 Cone
Hawaiian Volcano Observatory, U.S. Geological Survey, issued an update on Kīlauea’s activity on Thursday, Sept. 6, 2018, at 9:10 a.m.
