Tag Archive | "hvo"

Location of an earthquake at 6:36 a.m., Monday, November 11, 2019.

Magnitude-4.9 earthquake southwest of Laupāhoehoe, Hawaiʻi on Monday (Nov 11)

Hawaiian Volcano Observatory recorded a magnitude-4.9 earthquake on Monday, November 11, just before 6:36 a.m. HST.

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Sulphur Cone (left), viewed toward southwest, from 3,480 m (11,420 ft) above sea level on Mauna Loa’s southwest rift zone. At right, an HVO geoscientist and technician rebuild volcanic gas monitoring equipment installed near an outgassing fissure.

Volcano Watch: High Altitude Station Maintenance on Mauna Loa

The Sulphur Cone area stands out in bright contrast. It’s a steaming section of the 1950 eruptive fissure at 11,420 ft elevation.

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Volcano Watch: Kilauea activity update for October 24, 2019

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

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The National Oceanic and Atmospheric Administration Ship Rainier is backdropped by Mount Baker, an active Cascade Range stratovolcano, in Washington. In September 2019, the Rainier conducted a bathymetric survey along Hawaiʻi Island's Puna coast, where lava entered the ocean during Kīlauea Volcano's 2018 eruption. Photo courtesy of NOAA.

Volcano Watch: What was that ship doing by the 2018 lava deltas?

In late September 2019, residents with ocean views may have noticed an unusual ship just offshore of the 2018 lava deltas along the Puna coast.

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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

Hazards remain at the Lower East Rift Zone and summit of Kīlauea. 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

Kῑlauea 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

Kῑlauea 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

Kῑlauea Volcano is not erupting and its USGS Volcano Alert level remains at NORMAL. Reflecting this level, HVO is now issuing monthly updates for Kīlauea.

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Volcano Watch: “Volcano Watch” receives national award

“Volcano Watch” was awarded First Place in the Electronic Publication category by the National Association of Government Communicators.

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Public can vote for Hawaiian Volcano Observatory to win award

Beginning Friday, May 10, members of the public can vote online (websites listed below) for the “People’s Choice Award” to honor the federal employee/team they believe has made the most significant contribution to the American people. Voting ends on July 8. The People’s Choice winner will be announced at a Partnership for Public Service event […]

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Ash rises above Halemaʻumaʻu within Kīlauea’s summit caldera in this May 27, 2018, telephoto image from near Volcano House Hotel in Hawaiʻi Volcanoes National Park. By the time Kīlauea’s summit collapse events ended on August 2, Halema‘uma‘u was 2.5 km (1.5 mi) wide and 500 m (1600 ft) deep; prior to the 2018 collapses, it was about 1 km (0.5 mi) wide and 85 m (about 280 ft) deep. A segment of a long-closed Park trail is visible winding across the caldera floor (lower left). USGS photo by K. Anderson.  

Volcano Watch: New insights gained from Kīlauea Volcano’s 2018 summit collapses

A year ago, USGS Hawaiian Volcano Observatory scientists and Island of Hawaiʻi residents were in the throes of an historically unprecedented series of events for Kīlauea.

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Scientists use a laser diffraction particle size analyzer to examine fine ash from the 2018 Kīlauea 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

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

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The start of fissure 3 during Kīlauea’s lower East Rift Zone eruption. Lava erupting to the surface cut across Kaupili Street around 7:00 a.m. on May 4, 2018. USGS photo by M. Patrick.

Volcano Watch: HVO geologists recall their first day of the 2018 lower East Rift Zone eruption 

With the one-year anniversary of the Lower East Rift Zone eruption, USGS Hawaiian Volcano Observatory staff, are reflecting on this historic event.

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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

Kῑlauea Volcano is not erupting and its USGS Volcano Alert level remains at NORMAL.

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