Filter Total Items: 300
Date published: May 11, 2017

Volcano Watch — A geologist remembers the Mount St. Helens eruption 37 years ago

This week's Volcano Watch was written by USGS Hawaiian Volcano Observatory geologist Don Swanson, who worked on Mount St. Helens before and after the 1980 eruption.

Date published: May 9, 2017

Photo and Video Chronology - Mauna Loa - May 9, 2017

USGS scientists hiked to the summit of Mauna Loa, where they checked on HVO's monitoring instruments and realigned an antenna that allows webcam images of the volcano's summit caldera (shown in this panoramic image) to be posted on the HVO website.

Date published: May 4, 2017

Volcano Watch — HVO transforms stacks of paper earthquake records into digital squiggles

With funding from USGS data rescue initiatives, HVO scanned seismograms from a number of significant earthquakes and seismic sequences. Since last summer, volunteer Marcy Frenz has enthusiastically and diligently assumed scanning duties at HVO, working through the 1974–1984 interval spanning Mauna Loa Volcano's two most recent eruptions.

Date published: April 27, 2017

Volcano Watch — The Mystery Haze of 1950: vog by another name would look as clear

On June 13, 1950, Honolulu was suddenly blanketed by the thickest haze seen since recordkeeping began there in 1906.

Date published: April 20, 2017

Volcano Watch — HVO volunteer Ben Gaddis receives the "Citizen’s Award for Exceptional Service"

Ben Gaddis was recently honored by the U.S. Geological Survey for his many years of service as HVO's volunteer photo archivist.

Date published: April 13, 2017

Volcano Watch — What's Hot and Not in Lava Field Fashion

Here are some tips from for essential lava field fashion from the USGS Hawaiian Volcano Observatory geologists who walk miles on Kīlauea lava flows—both new and old.

Date published: April 6, 2017

Volcano Watch — For Sutton, It's Been A Gas!

Hawaiian Volcano Observatory (HVO) staff, alumni and friends recently gathered to honor the long and fruitful career of Jeff Sutton, our recently retired colleague. 

Date published: March 30, 2017

Volcano Watch — Bogoslof Volcano, Alaska: ongoing eruption through the Bering Sea

Hawai‘i is not the only island in the United States with an ongoing eruption involving hot lava and cold water.

Date published: March 23, 2017

Volcano Watch — Volcanic explosions provide the foundation for agriculture

The ash deposits on the southeastern part of the Island of Hawai‘i have fortuitously presented an agricultural opportunity in an otherwise rocky and hilly landscape. An underappreciated fact is that the explosive nature of our volcanoes provided this opportunity. 

Date published: March 16, 2017

Volcano Watch — Kīlauea Volcano’s summit eruption in Halema‘uma‘u Crater reaches 9th anniversary

Kīlauea Volcano’s summit eruption in Halema‘uma‘u Crater began in March 2008. 

Date published: March 9, 2017

Volcano Watch — Recent collapses at the Kamokuna ocean entry underscore on-going hazard

On December 31, 2016, almost the entire 23 acre lava delta and 4 acres of the older sea cliff slid into the ocean piece by piece over the course of the afternoon and into the evening. 

Date published: March 2, 2017

Volcano Watch — Pulsing magma supply detected at Kīlauea

This is the story of how a new concept—slowly pulsing magma supply to Kīlauea—emerged from observations of the Overlook lava lake in Halema‘uma‘u.