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: 3472
Volcano Watch — How long do eruptions last?

Volcano Watch — How long do eruptions last?

Kīlauea has been erupting for more than 16 years. Is this an exceptionally long time for an eruption to last? The answer is yes, but there have...

Read Article
Volcano Watch — Eruption of Kīlauea Volcano continues into its 17th year

Volcano Watch — Eruption of Kīlauea Volcano continues into its 17th year

Today is the 16th anniversary of the ongoing Pu`u `O`o-Kupaianaha eruption of Kīlauea Volcano. Lava has erupted from vents located on Kīlauea's east...

Read Article
Volcano Watch — Proposed experiment to discover source of Hawaiian volcanoes

Volcano Watch — Proposed experiment to discover source of Hawaiian volcanoes

When you visit the coast to watch lava pour into the sea, do you ever wonder where the lava came from and what path it took to the surface? We earth...

Read Article
Volcano Watch — Scientist-in-Charge of HVO recognized at international conference

Volcano Watch — Scientist-in-Charge of HVO recognized at international conference

Last week, four members of the U.S. Geological Survey's Hawaiian Volcano Observatory attended the annual fall meeting of the American Geophysical...

Read Article
Volcano Watch — How vulnerable are the Kulani prison sites to future lava flows?

Volcano Watch — How vulnerable are the Kulani prison sites to future lava flows?

At a recent public meeting, the State of Hawai`i outlined a proposal to locate a new, approximately 2,300-bed medium-security correctional facility 10...

Read Article
Volcano Watch — Why study the Puna Ridge?

Volcano Watch — Why study the Puna Ridge?

Scientists have learned a lot about the on-land part of Kīlauea's east rift zone, but little is known about its underwater part, the Puna Ridge. A...

Read Article
Volcano Watch — A glimpse underneath Mauna Loa

Volcano Watch — A glimpse underneath Mauna Loa

Hawai`i is one of the most extensively studied volcanic regions in the world. However, there is still very little known about the processes that take...

Read Article
Volcano Watch — Hawaiian honeycreepers and the molecular clock

Volcano Watch — Hawaiian honeycreepers and the molecular clock

One of the most useful gadgets in the geologist's tool box is the ability to measure the age of a lava flow, an island, or even the earth itself.
 

Read Article
Volcano Watch — Rocks float briefly where lava meets the sea

Volcano Watch — Rocks float briefly where lava meets the sea

Lava and the surf—two powerful forces seeking supremacy over each other. One consequence of this battle is "floating rocks" seen near the ocean entry...

Read Article
Volcano Watch — Water on volcanoes: heavy rain and crater lakes

Volcano Watch — Water on volcanoes: heavy rain and crater lakes

The terrible tragedy in Nicaragua and Honduras from Hurricane Mitch's extraordinary rainfall was made worse by a volcano. The volcano didn't erupt...

Read Article
Volcano Watch — Flowing Lava Falls Hard to Observe

Volcano Watch — Flowing Lava Falls Hard to Observe

Every day, tourists and locals visit Kolekole stream to see 70 cubic meters of water per second (18,000 gallons per minute or gpm) cascade 135 m (442...

Read Article
Volcano Watch — Greenhouse gases in our backyard

Volcano Watch — Greenhouse gases in our backyard

Early Sunday morning shoppers at the Volcano farmers market can purchase delicious greenhouse tomatoes grown in Mountain View. In a cool mauka (inland...

Read Article