Tag Archive | "lavatalk"

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Volcano Watch: HVO’s website makeover is more than skin deep

The changes to HVO’s website are much more than “skin” deep—its “bones” are completely different.

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Volcano Watch: Kilauea activity update for May 18, 2017

This past week, Kīlauea Volcano’s summit lava lake fluctuated in concert with summit inflation and deflation, with levels ranging around 15–28 m (49–92 ft) below the vent rim.

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A telephoto lens provided a close-up view of the seaward edge of the Kamokuna lava delta, where multiple, small streams of lava were entering the ocean today. Fragments of hot lava can be seen floating in the water. Photo taken Sunday, May 7, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for May 11, 2017

On the East Rift Zone, the 61g flow was still active, with lava entering the ocean near Kamokuna, rebuilding the lava delta that collapsed last week.

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

Nearly half a mile wide, the column of ash and volcanic gas rose from the crater to a height of more than 24 km (80,000 ft).

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Volcano Watch: Kilauea activity update for May 4, 2017

This past week, Kīlauea Volcano’s summit lava lake level fluctuated in concert with summit inflation and deflation, ranging 15-32 m (49-105 ft) below the vent rim.

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

Seismology is often thought of as “earthquake science” because earthquakes—while not the only cause—are the most prolific producers of seisms, or earth shaking.

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Fume rises from lava fountains erupting along a six-mile long fissure on Mauna Loa's Southwest Rift Zone on June 2, 1950. Such fume may have ultimately been responsible for the Mystery Haze in Honolulu on June 13. Credit: Air National Guard, 199th Fighter Squadron.

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. The haze was first noticed four days earlier at Johnston Island, 800 miles southwest of O‘ahu.

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Volcano Watch: Kilauea activity update for April 27, 2017

This past week, Kīlauea Volcano’s summit lava lake level fluctuated in concert with summit inflation and deflation, ranging 13-22 m (43-72 ft) below the vent rim.

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Rock identified by Tai Sing Loo as the one that hit Truman Taylor

Volcano Watch: HVO volunteer Ben Gaddis receives the “Citizen’s Award for Exceptional Service”

Ben Gaddis, retired judge and Photo Archive volunteer at the HVO has organized, labeled, scanned, and entered metadata for thousands of color slides and black and white photos.

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Volcano Watch: Kilauea activity update for April 20, 2017

On the East Rift Zone, the 61g flow was still active, with lava entering the ocean near Kamokuna and surface breakouts downslope of Pu‘u ‘Ō‘ō.

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Volcano Watch: What’s Hot and Not in Lava Field Fashion

With most visitors to Hawaii not packing much real hiking gear, it’s not uncommon to see visitors to the ocean entry that are not dressed for the adventure.

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The Kamokuna ocean entry, with the laze plume blocking the view of the delta. The billowing white cloud rising from the ocean entry is a corrosive seawater plume laden with hydrochloric acid and fine volcanic particles that can irritate the skin, eyes, and lungs. Photo taken Monday, April 10, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for April 13, 2017

Kīlauea continues to erupt at its summit and East Rift Zone.

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May 22, 2017 / 5:15 pm

 

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