Skip to main content
U.S. flag

An official website of the United States government

News

Daily updates about ongoing eruptions, recent images and videos of summit and East Rift Zone volcanic activity, maps, and data about recent earthquakes in Hawaii are posted on the HVO website. 

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and colleagues.

Filter Total Items: 3501
Volcano Watch — Legends of Eruptions Past

Volcano Watch — Legends of Eruptions Past

Active volcanoes tell us their stories through earthquakes, deformation, gas emissions, and lava flows. We interpret those stories through myriad...

Read Article
Photo and Video Chronology – Kīlauea Summit Overflight and Mauna Loa GPS Campaign – May 25, 2023

Photo and Video Chronology – Kīlauea Summit Overflight and Mauna Loa GPS Campaign – May 25, 2023

HVO scientists conducted a Kīlauea summit overflight on May 23, 2023 and the annual Mauna Loa GPS campaign is underway.

Read Article
New USGS Data Releases Provide Data on Kīlauea and Mauna Loa

New USGS Data Releases Provide Data on Kīlauea and Mauna Loa

Several USGS data releases published in 2023 provide data on Kīlauea summit water lake present in Halemaʻumaʻu from 2019-2020, lava samples collected...

Read Article
Final Environmental Assessment (EA) and Finding of No Significant Impact (FONSI) Available for the USGS Hilo Research Facility

Final Environmental Assessment (EA) and Finding of No Significant Impact (FONSI) Available for the USGS Hilo Research Facility

 

A Final Environmental Assessment (EA) and Finding of No Significant Impact (FONSI) for the USGS Hilo Research Facility has been completed and is...

Read Article
Volcano Watch — Ups and downs at Kīlauea summit: Quiescence, eruptions, and constant change

Volcano Watch — Ups and downs at Kīlauea summit: Quiescence, eruptions, and constant change

May 3rd, 2023, marked the fifth anniversary of the start of Kīlauea’s historic 2018 eruption that resulted in extensive lava flows from the East Rift...

Read Article
Volcano Watch — Explosive Eruptions from Halemaʻumaʻu in 1924

Volcano Watch — Explosive Eruptions from Halemaʻumaʻu in 1924

May 2023 marks the 99th anniversary of a sequence of explosive eruptions from Kīlauea's summit that occurred over 16 days from May 11–27, 1924. During...

Read Article
Photo and Video Chronology – Kīlauea Summit Overflight, Seismic Imaging Project Continues, Vibroseis Demonstration – May 6, 2023

Photo and Video Chronology – Kīlauea Summit Overflight, Seismic Imaging Project Continues, Vibroseis Demonstration – May 6, 2023

HVO scientists conducted a Kīlauea summit overflight on May 3, 2023. The Kīlauea Seismic Imaging Project continues, as more nodes are deployed in the...

Read Article
Volcano Watch — Five years flow by: reflections on the destructive 2018 eruption of Kīlauea

Volcano Watch — Five years flow by: reflections on the destructive 2018 eruption of Kīlauea

Five years ago, volcanic activity at Kīlauea dramatically changed when magma intruded into the lower East Rift Zone (LERZ). What happened at Kīlauea...

Read Article
Photo and Video Chronology – Halema‘uma‘u overflight and fieldwork; update on the Kīlauea Seismic Imaging Project – May 3, 2023

Photo and Video Chronology – Halema‘uma‘u overflight and fieldwork; update on the Kīlauea Seismic Imaging Project – May 3, 2023

HVO scientists conducted  Halema‘uma‘u fieldwork and a Kīlauea summit overflight on May 3, 2023. The Kīlauea Seismic Imaging Project continues, as...

Read Article
Volcano Watch — Today’s Family of Five USGS Volcano Observatories Began with HVO Over 111 Years Ago

Volcano Watch — Today’s Family of Five USGS Volcano Observatories Began with HVO Over 111 Years Ago

The Hawaiian Volcano Observatory (HVO) was founded in 1912. Today, over 111 years later, HVO is one of five volcano observatories supported by the U.S...

Read Article
Photo and Video Chronology – HVO scientists visit Halema‘uma‘u crater floor – April 21, 2023

Photo and Video Chronology – HVO scientists visit Halema‘uma‘u crater floor – April 21, 2023

On the morning of April 21, Hawaiian Volcano Observatory geologists visited the floor to document and sample deposits erupted by Kīlauea volcano...

Read Article
Volcano Watch — Did lava flow out of Mauna Loa’s southern caldera in 2022?

Volcano Watch — Did lava flow out of Mauna Loa’s southern caldera in 2022?

The recent 2022 Mauna Loa eruption began just before midnight, at 11:21 p.m. on November 27.  The first caldera floor fissures were visible in webcams...

Read Article