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: 1780
Volcano Watch — Fishponds versus lava flows

Volcano Watch — Fishponds versus lava flows

The North Kona Coast of the Big Island is fortunate to have several Hawaiian fishponds preserved. These ponds were major construction feats by which...

Read Article
Volcano Watch — Update on Soufriere Hills, Montserrat

Volcano Watch — Update on Soufriere Hills, Montserrat

Last Friday, July 18, marked the two-year anniversary of the ongoing eruption of Soufriere Hills volcano on the small Caribbean island of Montserrat...

Read Article
Volcano Watch — How big was it? Magnitude and intensity of an earthquake

Volcano Watch — How big was it? Magnitude and intensity of an earthquake

Following the June 30th M5.3 Kalapana earthquake, there seemed to be a misunderstanding of what the magnitude of an earthquake really means.
 

Read Article
Volcano Watch — Earthquake reflects instability of Kīlauea's south flank

Volcano Watch — Earthquake reflects instability of Kīlauea's south flank

The earthquake that woke many Big Island residents at 5:47 a.m. on Monday, June 30, was the biggest on the island since February 1, 1994, and the...

Read Article
Volcano Watch — Increases in vog may not mean increases in volcanic activity

Volcano Watch — Increases in vog may not mean increases in volcanic activity

Sometimes people call the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) and ask us if more gas is coming out of the volcano because air...

Read Article
Volcano Watch — The Valley of Ten Thousand Smokes

Volcano Watch — The Valley of Ten Thousand Smokes

A popular local morning radio program had a contest early last week, and the question posed was "Where is the Valley of Ten Thousand Smokes?"...

Read Article
Volcano Watch — Kīlauea Eruption Update—June 13, 1997

Volcano Watch — Kīlauea Eruption Update—June 13, 1997

Kīlauea's 14-year-old east rift zone eruption continues. Episode 55, ongoing since February 24, 1997, is characterized by shifting vent locations...

Read Article
Volcano Watch — Kīlauea is the nation's most deadly volcano

Volcano Watch — Kīlauea is the nation's most deadly volcano

What volcano in the United States has been the most deadly since the country was founded? Mount St. Helens? Mount Rainier? Lassen Peak? Good guesses...

Read Article
Volcano Watch — Dikes in the East Rift Zone

Volcano Watch — Dikes in the East Rift Zone

Great rift zones define the divergent boundaries in the mosaic of mobile tectonic plates that form the Earth's crust. From these divergent plate...

Read Article
Volcano Watch — Volcano hazards training course

Volcano Watch — Volcano hazards training course

Once again, with the end of the spring semester, the Center for the Study of Active Volcanoes (CSAV) at the University of Hawaii at Hilo has begun its...

Read Article
Volcano Watch — HVO goes to the movies!

Volcano Watch — HVO goes to the movies!

A few evenings ago the staff of the Hawaiian Volcano Observatory took a field trip to Prince Kuhio Plaza to see the latest disaster film, VOLCANO...

Read Article
Volcano Watch — Kīlauea: Eruption Status—May 9

Volcano Watch — Kīlauea: Eruption Status—May 9

Many residents have noticed the bright orange glow coming from Kīlauea's eruption site on recent nights. Judging from the phone calls we receive at...

Read Article
Was this page helpful?