Volcano Watch: How We Know How Much Sulfur Dioxide Volcanoes Emit

Volcanic gases are an important part of eruptions—they help magma to rise within the earth and erupt, they can tell us how much lava is being erupted, and the volcanic air pollution (vog) they cause can be a hazard.
January 14, 2021

Volcano Watch: New Tephra Lab For HVO Eruption Monitoring

Lava activity is confined to Halemaʻumaʻu with lava erupting from vents on the northwest side of the crater.
January 07, 2021

VOLCANO WATCH: Kīlauea’s Ongoing Eruption, A Rising Lava Lake

At approximately 3 a.m. HST on Dec. 26, activity at the west vent increased dramatically as the fountaining at the north vent died out.
January 01, 2021

Volcano Watch: Small but Notable Magma Intrusion at Kīlauea’s Summit

The 2018 lower East Rift Zone eruption and summit caldera collapse marked the end of the 35-year-long Puʻu ʻŌʻō and 10-year-long summit lava lake eruptions, and the beginning of a new chapter in Kīlauea Volcano activity.
December 18, 2020

Volcano Watch: Recent Activity Reminds Us to Maintain our Volcano Awareness

Residents should be aware of Hawaiʻi’s active volcanoes.
December 11, 2020

HVNP Announces 6 Free Days of Admission in 2021

The entrance fee waiver for the fee-free days does not cover camping or backcountry overnight permit fees.
December 09, 2020

County Releases Kīlauea Recovery Plan

In total, 31 projects are identified, which come with their own action steps and an implementation structure that fosters collaboration.
December 06, 2020

Volcano Watch: When Rocks Fly

Tephra is the Greek word for ash, and it is the label we use for rocks that come flying out of the volcano during an eruption.
December 03, 2020

Kīlauea Eruption Triggered by Decade-Long Pressure Build-Up, Study Shows

The 2018 eruption of Kīlauea was triggered by a decade-long build-up of pressure in the upper parts of the volcano.
November 27, 2020

Volcano Watch: Remembering The Thanksgiving Eve Breakout From 2007

Although the TEB flow was much less destructive than the 2018 LERZ eruption, it nevertheless threatened homes in lower Puna for months.
November 25, 2020