Volcano Watch: Kīlauea Volcano’s Summit Water Lake is 1 year old

On July 25, 2019, ponded water was first observed within Halema‘uma‘u at the summit of Kīlauea Volcano.
July 31, 2020

Volcano Watch: HVO Looking to Install Seismographs in Your Community

There are approximately 80 seismograph stations on the Island of Hawai‘i, most of which are located near volcanic vents and rift zones.
July 24, 2020

Volcano Watch: Deep Repeating Earthquakes Beneath Maunakea

"Low-frequency earthquakes aren’t unusual at volcanoes, but there’s no other example of this kind of repetition or longevity anywhere in the world. Ultimately, over 1 million earthquakes were found from 1999 to 2018."
July 16, 2020

Volcano Watch: A Legendary Part of the Wailuku River is Again Revealed

"Signs of the battle between Maui and Kuna are found higher on the Wailuku River."
July 10, 2020

HVNP Flight Operations For July

Dates and times are subject to change based on aircraft availability and weather.
July 07, 2020

Volcano Watch: Tech Talk Part 2, Schematic diagram of one HVO technician’s position

What continues to impress me about this job is how one job can offer so much variety.
July 02, 2020

Volcano Watch: Tech Talk Part 1: Electronic ‘Doctor’ Tracks Health of Monitoring Stations

Technicians at HVO engineer and maintain the network of stations that monitor the active volcanoes in the state of Hawai‘i.
June 28, 2020

Volcano Watch: Extraordinary Tenure Ends for Leader of USGS Hawaiian Volcano Observatory

Tina Neal's Tenure as Scientist-in-Charge of the USGS Hawaiian Volcano Observatory comes to an end this week when she returns to the Alaska Volcano Observatory after fulfilling her five-year commitment to HVO.
June 19, 2020

Volcano Watch: Kīlauea’s 1952 Summit Eruption Ended Long Period of Inactivity

Early in April 1952, a series of earthquakes began along Kīlauea’s East Rift Zone and beneath the summit.
June 11, 2020

Volcano Watch: The 1919–1920 Mauna Iki Eruption at Kīlauea Volcano

The main Mauna Iki lava shield was built by the accumulation of numerous pāhoehoe overflows from a small lava pond at the top of the shield.
June 04, 2020