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: 1785
Volcano Watch — Revolution in thinking about Kīlauea's explosions comes to HVO: Part 1

Volcano Watch — Revolution in thinking about Kīlauea's explosions comes to HVO: Part 1

The past five years, especially the past 18 months, have seen profound changes in the way HVO scientists view Kīlauea's explosive potential.

Read Article
Volcano Watch — 2005: Another relatively quiet year for Hawaiian earthquakes

Volcano Watch — 2005: Another relatively quiet year for Hawaiian earthquakes

It has become somewhat of a New Year's habit, in a January Volcano Watch report prepared by the U. S. Geological Survey's Hawaiian Volcano Observatory...

Read Article
Volcano Watch — Volcanic ash was main danger from eruptions in 2005

Volcano Watch — Volcanic ash was main danger from eruptions in 2005

As we enter the New Year with the eruption of Kīlauea Volcano still going strong after 23 years, it is important to remember the world's other...

Read Article
Volcano Watch — Kīlauea's Pu`u `O`o eruption: 2005 highlights

Volcano Watch — Kīlauea's Pu`u `O`o eruption: 2005 highlights

Many eruptions are brief affairs. The volcano wakes up, erupts for a few days to a few months, then goes back to sleep. When the Pu`u `O`o eruption...

Read Article
Volcano Watch — How'd you like to spend Christmas on Christmas Island?

Volcano Watch — How'd you like to spend Christmas on Christmas Island?

If you ever do spend Christmas on that South Pacific island, make sure Santa knows where to land his canoe of presents for you, as there are actually...

Read Article
Volcano Watch — Dr. George Walker studied nearly every aspect of volcanoes

Volcano Watch — Dr. George Walker studied nearly every aspect of volcanoes

Last week, Earth Scientists from all over the world gathered for the annual American Geophysical Union fall meeting in San Francisco. Researchers...

Read Article
Volcano Watch — Frozen in time: ice and snow yield secrets from the past

Volcano Watch — Frozen in time: ice and snow yield secrets from the past

Hawai`i Island residents and visitors eagerly awaiting the season's first snowfall were rewarded this past week. By Wednesday morning, a light dusting...

Read Article
Volcano Watch — What are our island's worst-case eruption scenarios (part 2)?

Volcano Watch — What are our island's worst-case eruption scenarios (part 2)?

What might a future eruption in a residential neighborhood be like? We can get our best answer by examining past eruptions in the area such as the...

Read Article
Volcano Watch — What are our island's worst-case eruption scenarios (part 1)?

Volcano Watch — What are our island's worst-case eruption scenarios (part 1)?

In the aftermath of Hurricane Katrina's devastation of the Gulf coast, there has been much discussion of the value of planning for worst-case...

Read Article
Volcano Watch — New age found for Kaho`olawe's most recent eruptions

Volcano Watch — New age found for Kaho`olawe's most recent eruptions

Two questions commonly asked of any volcano are the age of its youngest eruption and the frequency of eruptive events. For the volcano that forms the...

Read Article
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
Was this page helpful?