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USGS Hawaiian Volcano Observatory

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This data release includes documentation of rock core recovered from three shallow holes drilled during the summer of 2000 into the flanks of Mauna Loa volcano, on the Island of Hawai‘i, Hawaii. Holes were drilled to accommodate installation of U.S. Geological Survey Hawaiian Volcano Observatory volcano-monitoring instruments in the year 2000. Rock core recovered from the holes, which extend 112–119 m (367–392 ft) below the ground surface, were logged to characterize the sub-surface local geology. Core are described by depth below the ground surface, lithologic unit type and class, phenocryst type and abundance, groundmass type, vesicle abundance, morphology, and distribution, alteration, fracturing, and unit contacts....
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This data release contains information about the lava samples that were collected during two volcanic eruptions of Kīlauea Volcano, Island of Hawai‘i. The first eruption occurred from 1983 to 2018 at Pu‘u‘ō‘ō and the second occurred contemporaneously from 2008 to 2018 at the summit lava lake. The data release provides a comprehensive list of lava samples that are currently stored in the physical sample archive of the Hawaiian Volcano Observatory (HVO). The information in the data release includes details about the sampling sites and how the samples were collected. Most of the samples were collected to study the pre-eruptive chemistry and petrology of the magma that fed the eruption and to track its changes over...
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This USGS data release includes data related to the Science magazine manuscript “Cyclic lava effusion during the 2018 eruption of Kīlauea Volcano” by Patrick et al. The data release includes 1) original video as well as thermal, and timelapse images of lava in the proximal Fissure 8 channel, 2) derived estimates of lava level in the channel and bulk effusion rates (not corrected for vesicles), 3) infrasound data, and 4) other miscellaneous supporting data. The manuscript abstract is as follows: “Lava flows present a recurring threat to communities on active volcanoes, and volumetric eruption rate is one of the primary factors controlling flow behavior and hazard. The timescales and driving forces of eruption rate...
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