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 — Volcanic eruptions temporarily reduce the effects of global warming

Volcano Watch — Volcanic eruptions temporarily reduce the effects of global warming

We are familiar with the effects that volcanoes have on our atmosphere and climate. Previous Volcano Watch articles have discussed how emissions of...

Read Article
Volcano Watch — Rock piles tell stories we don't want to hear

Volcano Watch — Rock piles tell stories we don't want to hear

Many Volcano Watch articles tell stories of bygone eras, stories literally squeezed out of rocks. Some of the stories about the more recent eruptions...

Read Article
Photo and Video Chronology - Kīlauea - November 1, 2005

Photo and Video Chronology - Kīlauea - November 1, 2005

Rainy day on flow field

Read Article
Volcano Watch — The origins of Pu`u Mahana are not crystal clear

Volcano Watch — The origins of Pu`u Mahana are not crystal clear

Pu`u Mahana is a famous attraction on the southeast coast of the island of Hawai`i. The literal translation of Pu`u Mahana is "warm hill." People who...

Read Article
Photo and Video Chronology - Kīlauea - October 25, 2005

Photo and Video Chronology - Kīlauea - October 25, 2005

Crater of Pu`u `O`o

Read Article
Photo and Video Chronology - Kīlauea - October 24, 2005

Photo and Video Chronology - Kīlauea - October 24, 2005

Murky lava ponds in crater of Pu`u `O`o

Read Article
Volcano Watch — Volcano watching at Mauna Loa is a BIG job

Volcano Watch — Volcano watching at Mauna Loa is a BIG job

Since Mauna Loa began showing signs of renewed restlessness in mid-2002, we have put a lot of effort into improving our capability for detecting the...

Read Article
Photo and Video Chronology - Kīlauea - October 14, 2005

Photo and Video Chronology - Kīlauea - October 14, 2005

East Lae`apuki lava delta and small skylight

Read Article
Volcano Watch — Here's the dirty truth about mud volcanoes

Volcano Watch — Here's the dirty truth about mud volcanoes

As residents of Hawai`i, we are, for the most part, acutely aware of volcanic processes and products. This is especially true for those of us living...

Read Article
Photo and Video Chronology - Kīlauea - October 7, 2005

Photo and Video Chronology - Kīlauea - October 7, 2005

Sampling lava and Pu`u `O`o

Read Article
Volcano Watch — What can Gulf Coast hurricanes teach us about volcanoes?

Volcano Watch — What can Gulf Coast hurricanes teach us about volcanoes?

Like much of the world, HVOers have been following the events surrounding hurricanes Katrina and Rita in the past months. Extreme phenomena like...

Read Article
Volcano Watch — Pu`u `O`o crater quietly fumes--for now

Volcano Watch — Pu`u `O`o crater quietly fumes--for now

By day, the six vents arrayed across the crater floor of Pu`u `O`o emit copious clouds of steam and magmatic gas. Darkness reveals that many of them...

Read Article