Tag Archive | "lava"

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Volcano Watch: Kilauea activity update for March 15, 2019

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

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USGS Hawaiian Volcano Observatory scientists installed a new battery in a summit webcam that provides a view into Halema‘uma‘u. Images from K3cam can be viewed on HVO's website at https://volcanoes.usgs.gov/observatories/hvo/webcam.html?webcam=K3cam. USGS photo: J. Kauahikaua, 03 March 2019.

Volcano Watch: Kilauea activity update for March 7, 2019

Deformation signals are consistent with refilling of Kīlauea Volcano’s deep East Rift Zone (ERZ) magma reservoir.

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Volcano Watch: Kilauea activity update for February 28, 2019

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

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Photo taken Tuesday, February 19, 2019 courtesy of U.S. Geological Survey

Volcano Watch: Kilauea activity update for February 21, 2019

Deformation signals are consistent with refilling of Kīlauea Volcano’s deep East Rift Zone (ERZ).

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Kilauea Caldera. USGS/HVO image

Volcano Watch: Kilauea activity update for January 31, 2019

Kīlauea 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 December 20, 2018

Kīlauea is not erupting. Rates of seismicity, deformation, and gas release have not changed significantly over the past week. Deformation signals are consistent with refilling of the middle ERZ.

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A close-up of the Unmanned Aircraft System (UAS) used by USGS scientists to measure volcanic gases in remote areas of Kīlauea. The fissure 21 cone is visible in the far right background. Photo taken Monday, November 26, 2018 courtesy of U.S. Geological Survey

Volcano Watch: Kilauea activity update for November 29, 2018

Deformation signals are consistent with slow refilling the middle East Rift Zone. At the summit, tiltmeters showed little significant change this week.

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Volcano Watch: Kilauea activity update for November 21, 2018

Kīlauea is not erupting. At the summit, tiltmeters showed little change this week, except for a small deflation-inflation sequence.

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Volcano Watch: Kilauea activity update for November 15, 2018

Kīlauea is not erupting. Low rates of seismicity, deformation, and gas release have not changed significantly over the past week.

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Panorama of the Kīlauea Caldera Wide Angle from HVO Observation Tower. November 7, 2018. Images courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for November 8, 2018

Kīlauea is not erupting. Low rates of seismicity, deformation, and gas release have not changed significantly over the past week.

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Kīlauea Volcano's summit, as viewed from the southwest, shows the collapsed area of Halema‘uma‘u and the adjacent caldera floor. A section of Crater Rim Drive preserved on a down-dropped block is visible at the far right. Volcanic gases rising from magma stored beneath the summit continue to escape to the surface, as they have for as long as Kīlauea has existed, resulting in deposits of sulfur on the crater walls.

Volcano Watch: Kilauea activity update for November 1, 2018

A slight inflationary trend near and east of Puʻu ʻŌʻō suggests that magma may be refilling the middle East Rift Zone. Low seismicity and reduced gas emissions do not indicate that the magma is shallow, but HVO continues to closely monitor this area and will report any significant changes.

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Bright red polygon features were drawn by USGS Geographic Information Systems (GIS) analysts around new or active lower East Rift Zone lava flows, which appear lighter in color due to their high temperature on this thermal map. Collected during a helicopter overflight on May 9, 2018, this map shows fissures 6 (left) and 15 (right) with Pohoiki Road passing between the two vents. USGS map.

Volcano Watch: How are lava-flow maps made during an eruption?

Computer programs known as Geographic Information Systems (GIS) have been the preferred tool of USGS cartographers for many years. Using commercial GIS software, the user creates a stack of “layers,” such as labels, roads, and political boundaries that together form a map.

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Volcano Watch: Kilauea activity update for October 25, 2018

A slight inflationary trend near and east of Puʻu ʻŌʻō suggests that magma may be refilling the middle East Rift Zone. Low seismicity and reduced gas emissions do not indicate that the magma is shallow, but HVO continues to closely monitor this area and will report any significant changes.

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Low sulfur dioxide gas emissions on Kīlauea have resulted in greatly diminished vog (volcanic air pollution) in Hawaii, giving rise to spectacular views on the island. Here, looking across the field of lava erupted from Kīlauea's lower East Rift Zone this past summer, the shield-shaped profiles of Mauna Loa (left) and Mauna Kea (right) can be clearly seen in the far distance. Photo taken Wednesday, October 10, 2018 courtesy of U.S. Geological Survey

Volcano Watch: Kilauea activity update for October 18, 2018

Kīlauea is not erupting. Summit and East Rift Zone activity are greatly reduced, with low rates of seismicity, deformation, and gas emissions recorded this past week.

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