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Time series of seismic velocity changes during the 2018 collapse of Kīlauea volcano derived from coda wave interferometry of repeating earthquakes These processed data and provisional codes were created to investigate seismic velocity changes associated with the collapse of Kīlauea caldera during its 2018 eruption. Primary data (i.e., seismic waveforms) are hosted at the Incorporated Research Institutions for Seismology (IRIS; https://www.iris.edu/) and are ingested by the codes included here to reproduce the data analyzed in Hotovec-Ellis et al., 'Earthquake-derived seismic velocity changes during the 2018 caldera collapse of Kīlauea volcano.' The included code ('cwire' short for Coda Wave Interferometry with Repeating Earthquakes) takes a catalog of earthquakes clustered by waveform similarity (e.g., REDPy, https://github.com/ahotovec/REDPy/) and processes... Categories: Data; Tags: Geophysics, Hawaii County, Kīlauea, Kīlauea Crater, Seismology, All tags... USGS Science Data Catalog (SDC), Volcanology, regression analysis, scientific software, seismic methods, seismology, time series analysis, volcanic activity, volcano monitoring, Fewer tags Chronology of recent volcanic activity on the Island of Hawai‘i, Hawaii The youngest and largest island in the State of Hawaii—the Island of Hawai‘i—is formed by five volcanoes, three of which have erupted within recent geologic history: Mauna Loa, Kīlauea, and Hualālai. This data release provides a chronology for activity and impacts at Mauna Loa, Kīlauea, and Hualālai over approximately the past two and a half centuries. This data release includes a word document, “HI_volcanoes_chronology_description,” that describes the data compilation process and provides simple summary tables of eruptive activity and maps. A CSV file contains the compiled eruption chronology data for all volcanoes—"HI_volcanoes_chronology_data”—references for which are provided in a separate CSV file titled “HI_volcanoes_chronology_references.”... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hualalai, Kilauea Crater, Mauna Loa, USGS Science Data Catalog (SDC), Volcanology, All tags... eruption, volcanology, Fewer tags Volcanic plume heights from the summit of Kīlauea Volcano, Hawai'i This data release provides volcanic plume heights from the summit of Kīlauea Volcano for 2008-2015, and during the eruptive events of 2018. For 2018, a Secacam Wild Vision Full HD camera with a 7mm focal length was located at 1717 m elevation approximately 15 m south of the Mauna Loa Strip Road within Hawaiʻi Volcanoes National Park, 19.475843°N, 155.363560°W (WGS84). The camera was pointed southeast to capture images of the Kīlauea caldera every two minutes. These images were used to calculate maximum plume heights within the full frame of the camera. For each two-minute image, the maximum plume heights above the Halemaʻumaʻu crater rim, and in the overall image, were calculated using the horizontal distance to... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Halema‘uma‘u, Kīlauea Crater, Kīlauea Volcano, USGS Science Data Catalog (SDC), eruption plume, All tags... none, plume height, Fewer tags Colorimeter data for the summit water lake at Kīlauea Volcano, Island of Hawaiʻi, 2020 In 2018, a large effusive eruption on the lower flank of Kīlauea Volcano was associated with collapse and subsidence of the summit caldera floor (Neal and others, 2019). The bottom of Halemaʻumaʻu, a crater nested within the summit caldera, subsided by more than 500 m. In July 2019, water was observed ponding on the deepest part of the Halemaʻumaʻu crater floor and the water rose and enlarged in area steadily over the next 16 months (Ingebritsen and others, 2020; Nadeau and others, 2020; Patrick and others, 2021). During the course of the rise, the lake surface appearance was highly dynamic and segmented, showing regions of variable color that changed from day to day (Nadeau and others, 2020). In June 2020 staff... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Halemaʻumaʻu, Hydrology, Kīlauea Crater, Remote Sensing, USGS Science Data Catalog (SDC), All tags... Volcanology, colorimeter, crater lake, geoscientificInformation, hydrology, volcanic activity, volcano monitoring, volcanology, Fewer tags SO2 emission rates from Kilauea Volcano, Hawaii (2014-2017) This report documents the SO2 emission rates for the period 2014-2017, from the summit and East Rift Zone eruptions of Kīlauea, along with the wind or plume speed and direction data used to calculate the emission rates. The Kīlauea summit SO2 emission rates are reported every ten seconds, as measured by a novel configuration of 10 fixed, upward looking UV spectrometers (FLYSPEC array), and for days with at least 2 hours of data, the daily means are reported. The plume or wind speeds used to calculate the emission rates are measured by cross correlation of plume features (see William-Jones and others (2006)) or by ground-based anemometer (SDH) and are reported with the emission rates. When the SDH ground based wind... Categories: Data; Tags: FLYSPEC array, Halema'uma'u, Kilauea Crater, Kilauea East Rift Zone, Kilauea volcano, All tags... Overlook vent, Pu’u’O’o, SO2 emission rate, USGS Science Data Catalog (SDC), UV spectroscopy, Volcanology, Fewer tags Sulfur dioxide emission rates from Kīlauea Volcano, Hawaii, 2008-2013 Kīlauea Volcano on the Island of Hawai‘i was in a state of nearly continuous eruption from 1983 – 2018. Large amounts of sulfur dioxide gas (SO2) were released from the volcano’s East Rift Zone (ERZ) during the entire eruptive period, and from the Overlook vent at the summit of the volcano from 2008-2018. This data release presents ground-based estimates of SO2 emission rates from the two gas emission sources for the period 2008-2013. For the two-year period 2008-2010, the summit data have been revised from previously published emission rates (Elias and Sutton, 2012). During this era, very high emissions from the volcano’s newly active lava lake led to opaque plumes and challenges in accurately quantifying SO2 column... Categories: Data; Tags: FLYSPEC array, Halema'uma'u, Kilauea Crater, Kilauea East Rift Zone, Kilauea Volcano, All tags... Overlook vent, Pu’u’O’o, USGS Science Data Catalog (SDC), UV spectroscopy, Volcanology, sulfur dioxide emission rate, Fewer tags