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: 3711
Photo & Video Chronology — August 5, 2025 — Kīlauea summit fieldwork

Photo & Video Chronology — August 5, 2025 — Kīlauea summit fieldwork

The ongoing Halemaʻumaʻu eruption is currently paused. USGS Hawaiian Volcano Observatory scientists conducted an observational helicopter overflight...

Read Article
Volcano Watch — Distant versus local earthquakes and tsunami response times in Hawaii

Volcano Watch — Distant versus local earthquakes and tsunami response times in Hawaii

Earthquakes and tsunamis in the news over the past few days are a reminder that we live on a dynamic planet with different hazards and associated...

Read Article
Photo & Video Chronology — July 24 & 25, 2025 — Kīlauea summit fieldwork

Photo & Video Chronology — July 24 & 25, 2025 — Kīlauea summit fieldwork

The ongoing Halemaʻumaʻu eruption is currently paused. USGS Hawaiian Volcano Observatory scientists made observations of the summit region on July 24...

Read Article
Volcano Watch — Ancient volcanoes are critical to our modern world, and our future

Volcano Watch — Ancient volcanoes are critical to our modern world, and our future

If you’ve read “Volcano Watch” articles before, you can probably list several reasons that scientists study volcanoes. However, there is another...

Read Article
Photo & Video Chronology — July 20, 2025 — Episode 29 at Kīlauea summit

Photo & Video Chronology — July 20, 2025 — Episode 29 at Kīlauea summit

Episode 29 of the ongoing Halemaʻumaʻu eruption ended at 6:35 p.m. HST, July 20, 2025, after over 13 hours of sustained lava fountaining. 

Read Article
Photo & Video Chronology — July 17, 2025 — UAS mission at Kīlauea summit

Photo & Video Chronology — July 17, 2025 — UAS mission at Kīlauea summit

On July 17, USGS Hawaiian Volcano Observatory staff conducted a UAS (uncrewed aircraft systems) flight of the recent eurption site at Kīlauea summit.

Read Article
Volcano Watch — Remembering a destructive Mauna Loa eruption 75 years ago

Volcano Watch — Remembering a destructive Mauna Loa eruption 75 years ago

Lava fountains at the summit of Kīlauea have been shining a spotlight on Hawaii’s most active volcano but let us not forget the larger one looming in...

Read Article
Volcano Watch — Snowshoeing on Kīlauea? High fountain episodes pose new challenges to volcano monitoring

Volcano Watch — Snowshoeing on Kīlauea? High fountain episodes pose new challenges to volcano monitoring

The USGS Hawaiian Volcano Observatory (HVO) maintains a network of nearly 150 monitoring instruments on Kīlauea, which track activity above and below...

Read Article
Photo & Video Chronology — July 9, 2025 — Kīlauea Episode 28

Photo & Video Chronology — July 9, 2025 — Kīlauea Episode 28


Episode 28 of the ongoing Halemaʻumaʻu eruption began at 4:10 a.m. HST on July 9, 2025, and ended abruptly just over 9 hours later, at 1:20 p.m. HST.

Read Article
Volcano Watch — So what on Earth (or at least on Kīlauea) is a “gas piston”?

Volcano Watch — So what on Earth (or at least on Kīlauea) is a “gas piston”?

If you’ve been following the ongoing eruption of Kīlauea, you may have seen the terms "gas piston" or "gas pistoning" show up in some of the USGS...

Read Article
Photo & Video Chronology — June 29, 2025 — Kīlauea Episode 27

Photo & Video Chronology — June 29, 2025 — Kīlauea Episode 27

Episode 27 of the ongoing eruption in Halemaʻumaʻu began at 9:05 a.m. on June 29 and ended 11 hours later, at 7:54 p.m. HST. 

Read Article
Into the Deep: Exploring the Hidden Slopes of Bogoslof Volcano

Into the Deep: Exploring the Hidden Slopes of Bogoslof Volcano

A USGS-led expedition in the Aleutian Arc off Alaska will provide critical information on energy resources, underwater earthquakes and other hazards...

Read Article
Was this page helpful?