Tag Archive | "lavatalk"

VW 2017 09-07-t

Volcano Watch: When you need information about Hawaiian volcanoes, turn to the USGS

Perhaps the best place to begin your search for information about Hawaiian volcanoes is the USGS Hawaiian Volcano Observatory (HVO) website

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Volcano Watch: Kilauea activity update for September 7, 2017

This past week, Kīlauea Volcano’s summit lava lake level fluctuated in concert with summit inflation and deflation, ranging about 54–103 feet below the vent rim.

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Volcano Watch: Tephra deposit names – out with the old, in with the new!

The name Keanakāko‘i was used, because good outcrops of the deposits are found near the crater of that name in Kīlauea caldera.

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Volcano Watch: Kilauea activity update for August 31, 2017

This past week, Kīlauea Volcano’s summit lava lake level fluctuated in concert with summit inflation and deflation, ranging about 105–125 feet below the vent rim.

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Volcano Watch: Kilauea activity update for August 24, 2017

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

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USGS Hawaiian Volcano Observatory field engineers begin the process of lowering a tiltmeter into a deep borehole on the west flank of Mauna Loa. The installation is guided by a custom-built apparatus that includes a 3-D printed jig. This tiltmeter will help monitor the currently elevated activity of Mauna Loa Volcano. USGS photo.

Volcano Watch: Creative engineering helps HVO monitor Mauna Loa Volcano

The USGS Hawaiian Volcano Observatory has a long tradition of innovation when it comes to the tools that we use to monitor the status and activity of volcanoes. The staff has developed techniques and manufactured instruments that have been used worldwide for volcano monitoring.

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The flow front of the June 26 breakout (pictured above) has stalled. On the coastal plain today, the closest active breakouts found by HVO geologists were 2.1 km (1.3 miles) upslope from the emergency route. There were a few areas of active pāhoehoe breakouts which varied from sluggish ropey textures to thin and fluid flows. Photo taken Tuesday, August 15, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for August 17, 2017

This past week, Kīlauea Volcano’s summit lava lake level varied 28–44 m (92-144 ft) below the vent rim, with fluctuations in concert with summit inflation and deflation.

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Side-by-side images from the Hawaiian Volcano Observatory’s Thermal Web Camera (HTcam) located on the rim of Halemaʻumaʻu before (left) and after (right) lava veneer from the vent wall fell into the lake on July 28, 2017. The collapse scar is circled at right. You can follow the changing lava lake activity, as seen through the eyes of a thermal camera, on HVO’s website at https://volcanoes.usgs.gov/vsc/captures/kilauea/htcam.jpg. USGS images.

Volcano Watch: Thermal Cameras Keep a Cool Eye on Hot Lava

Thermal cameras have been used by volcanologists around the world for many years to study volcanic processes and search for signs of impending eruptions.

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Volcano Watch: Kilauea activity update for August 10, 2017

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

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Volcano Watch: Kilauea activity update for August 3, 2017

This past week, Kīlauea Volcano’s summit lava lake level fluctuated in concert with summit inflation and deflation, ranging 31–48 m (102–157 ft) below the vent rim.

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Volcano Watch: What was happening at Kīlauea Volcano ten years ago?

Kīlauea has now passed the one-year anniversary of the episode 61g lava flow reaching the Pacific Ocean. But what was this busy volcano up to a decade ago?

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Coast Guard continues to enforce the temporary Kamokuna Lava Delta Safety Zone

Several large cracks have developed in the lava delta, running parallel to the coastline and spanning the width of the delta.

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Oct 20, 2017 / 10:09 am

 

 

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