Tag Archive | "puu oo"

2019-10-20-halemaumau-water-lake

Volcano Watch: Kilauea activity update for October 24, 2019

Posted on 10:25 pm, Thursday, October 24, 2019. Tags: , , , , , , ,

The water pond at the bottom of Halema‘uma‘u continues to slowly expand and deepen.

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This image is from a temporary monitoring camera on the west rim of Kilauea Caldera. The camera is looking E towards the bottom of the newly enlarged Halemaʻumaʻu crater. The crater from left to right (roughly NNE to SSW) is approximately 1 km (0.6 mi) across. The depth of the crater in the visible image from the rim is several hundred meters.

Volcano Watch: Kilauea activity update for October 17, 2019

Posted on 8:31 pm, Thursday, October 17, 2019. Tags: , , , , , , ,

Hazards remain at the Lower East Rift Zone and summit of KÄ«lauea. Closures and warnings in these areas should be heeded.

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This image is from a temporary monitoring camera on the west rim of Kilauea Caldera. The camera is looking E towards the bottom of the newly enlarged Halemaʻumaʻu crater. The crater from left to right (roughly NNE to SSW) is approximately 1 km (0.6 mi) across. The depth of the crater in the visible image from the rim is several hundred meters. Photo courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for October 3, 2019

Posted on 11:11 am, Thursday, October 3, 2019. Tags: , , , , , , ,

Ká¿‘lauea Volcano is not erupting and its USGS Volcano Alert level remains at NORMAL.

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This image is from a temporary monitoring camera on the west rim of Kilauea Caldera. The camera is looking E towards the bottom of the newly enlarged Halemaʻumaʻu crater. The crater from left to right (roughly NNE to SSW) is approximately 1 km (0.6 mi) across. The depth of the crater in the visible image from the rim is several hundred meters.

Volcano Watch: Kilauea activity update for September 19, 2019

Posted on 12:24 pm, Thursday, September 19, 2019. Tags: , , , , , , ,

Ká¿‘lauea Volcano is not erupting and its USGS Volcano Alert level remains at NORMAL

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Day-to-day changes in the water level at the bottom of Halema‘uma‘u are subtle and impossible to accurately measure. But when comparing views of the pond over several days some differences can be seen, as shown in these images. Rocks that were visible in the water on September 2 could no longer be seen today (September 5). Note particularly that two rocks protruding above the water at the top of the September 2 photo are now submerged—evidence that the pond continues to slowly rise. USGS photos by D. Swanson.

Volcano Watch: Kilauea activity update for September 5, 2019

Posted on 9:17 am, Saturday, September 7, 2019. Tags: , , , , , , ,

Ká¿‘lauea Volcano is not erupting and its USGS Volcano Alert level remains at NORMAL. Reflecting this level, HVO is now issuing monthly updates for KÄ«lauea.

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Scientists use a laser diffraction particle size analyzer to examine fine ash from the 2018 KÄ«lauea summit explosions. The research examines fine ash (grains 1 mm to 1 micrometer) and investigates the processes of eruption, fragmentation, and respiratory health hazards (PM10, PM2.5). USGS image by A. Van Eaton

Volcano Watch: Kilauea activity update for May 9, 2019

Posted on 12:11 pm, Thursday, May 9, 2019. Tags: , , , , , , ,

Scientists use a laser diffraction particle size analyzer to examine fine ash from the 2018 KÄ«lauea summit explosions.

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A small collapse of the Pu‘u ‘Ō‘ō crater at 6:14 a.m. HST today (May 1, 2019) was the last 'hurrah' for a GPS instrument located on the crater's edge (red circle). This station, designated PUOC, served faithfully throughout Kīlauea's 2018 eruption and was an important source of information on the shallow magma system of Pu‘u ‘Ō‘ō. The station's last reported position showed it moving rapidly to the southeast, consistent with motion into the crater (inset shows data transmissions from April 11 through this morning). Monitoring of Pu‘u ‘Ō‘ō is currently being accomplished by additional GPS and tilt stations farther from the edge of the crater. The larger equipment installation near the solar panels was not affected by this morning's collapse and continues to function. However, contingency plans are in place in case collapses of the crater edge continue. USGS photo by I. Johanson on March 18, 2019, annotated on May 1, 2019.

Volcano Watch: Kilauea activity update for May 2, 2019

Posted on 4:20 pm, Thursday, May 2, 2019. Tags: , , , , , , ,

Ká¿‘lauea Volcano is not erupting and its USGS Volcano Alert level remains at NORMAL.

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kilauea-wide-east-2019-04-24-162002

Volcano Watch: Kilauea activity update for April 25, 2019

Posted on 2:52 pm, Thursday, April 25, 2019. Tags: , , , , , , ,

Ká¿‘lauea Volcano is not erupting and its USGS Volcano Alert level remains at NORMAL.

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This image is from a temporary monitoring camera on the west rim of Kilauea Caldera. The camera is looking E towards the bottom of the newly enlarged Halemaʻumaʻu crater, although the deepest part of the crater is not visible from this vantage point. The crater from left to right (roughly NNE to SSW) is approximately 1 km (0.6 mi) across. The depth of the crater in the visible image from the rim is several hundred meters.

Volcano Watch: Kilauea activity update for April 18, 2019

Posted on 11:16 pm, Thursday, April 18, 2019. Tags: , , , , , , ,

Ká¿‘lauea Volcano is not erupting and its USGS Volcano Alert level remains at NORMAL.

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A closer view of a gravity reading at a station located in the south part of KÄ«lauea caldera. When repeated over time, gravity measurements can detect changes in subsurface mass that might not be detectable by other monitoring methods. Scientists track this data because the changes could be related to magma movement within the volcano. USGS photo by M. Poland, 03/20/2019.

Volcano Watch: Kilauea activity update for April 4, 2019

Posted on 8:12 pm, Thursday, April 4, 2019. Tags: , , , , , , ,

Rates of seismicity, deformation, and gas release have not changed significantly over the past week.

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This image is from a temporary monitoring camera on the west rim of Kilauea Caldera. The camera is looking East towards the bottom of the newly enlarged Halemaʻumaʻu crater, although the deepest part of the crater is not visible from this vantage point. The crater from left to right (roughly NNE to SSW) is approximately 1 km (0.6 mi) across. The depth of the crater in the visible image from the rim is several hundred meters. Image courtesy of USGS/HVO Webcam

Volcano Watch: Kilauea activity update for March 28, 2019

Posted on 12:31 pm, Thursday, March 28, 2019. Tags: , , , , , , ,

KÄ«lauea is not erupting. Rates of seismicity, deformation, and gas release have not changed significantly over the past week.

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After magma drained from Pu‘u ‘Ō‘ō on April 30, 2018, the crater was roughly 356 m (1168 ft) deep, with the upper part of the crater flared and the deeper part a narrower cylindrical shaft. Collapses on the crater walls have since enlarged sections of the crater and filled the deepest part with rockfall debris, creating a much different crater geometry—as shown in this comparison of models from May 11, 2018, and March 18, 2019. Today, the deepest portion of the crater is 286 m (938 ft).

Volcano Watch: Kilauea activity update for March 22, 2019

Posted on 11:42 am, Friday, March 22, 2019. Tags: , , , , , , ,

KÄ«lauea is not erupting. Rates of seismicity, deformation, and gas release have not changed significantly over the past week.

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Volcano Watch: Kilauea activity update for March 15, 2019

Posted on 9:27 am, Friday, March 15, 2019. Tags: , , , , , , ,

KÄ«lauea is not erupting. Rates of seismicity, deformation, and gas release have not changed significantly over the past week.

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Epicenter of a 5.0 magnitude earthquake which struck at 10:31 a.m. HST Thursday, May 3, 2018. Map via USGS.

USGS reports quake was 5.0 magnitude Thursday morning (May 3)

Posted on 12:22 pm, Thursday, May 3, 2018. Tags: , , , ,

The U.S. Geological Survey’s Hawaiian Volcano Observatory (HVO) recorded a magnitude-5.0 earthquake on Thursday, May 3, 2018, at approximately 10:31 a.m. HST.

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Posted in Earthquake, Featured, News, Sci-Tech, VolcanoComments (0)

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