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Water-level data for the crater lake at the summit of Kīlauea Volcano, Island of Hawaiʻi, 2019–2020 During 2018, Kīlauea Volcano, on the Island of Hawaiʻi, had a large effusive eruption (~1 cubic kilometer of lava) on the lower East Rift Zone that caused widespread destruction (Neal and others, 2019; Dietterich and others, 2021). This lower flank eruption was accompanied by one of the largest collapses of the summit caldera in two hundred years, with portions of the caldera floor subsiding more than 500 m (Anderson and others, 2019; Neal and others, 2019). On July 25, 2019, approximately one year after the summit collapse sequence, a small pond of water was first observed in the deepest portion of the collapse pit, within Halemaʻumaʻu crater (Nadeau and others, 2020). The water level rose gradually over the... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Halemaʻumaʻu, Kīlauea Crater, USGS Science Data Catalog (SDC), Volcanology, groundwater level, All tags... volcanic activity, volcanology, Fewer tags Alamagan Volcano - geochronologic points Alamagan Volcano is a Quaternary stratovolcano along the Mariana Arc, an active subduction zone in the western Pacific Ocean. Although primarily submerged, its peak reaches above sea level, with subaerially-exposed volcanic deposits dating back through the Holocene to the late Pleistocene. These feature data represent such deposits and other geologic features of Alamagan Volcano, describing its interpreted eruptive history. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alamagan Island, Andesite, GeochronPoints, Intermediate volcanic rock, Lava flow, All tags... Northern Islands, Northern Mariana Islands, Pacific, Pacific Islands, Pyroclastic rock, United States, Volcanic rock, geochronologic point, geologic maps, radiocarbon, radiocarbon point, radiocarbon sample, volcanic activity, Fewer tags Alamagan Volcano - cartographic lines Alamagan Volcano is a Quaternary stratovolcano along the Mariana Arc, an active subduction zone in the western Pacific Ocean. Although primarily submerged, its peak reaches above sea level, with subaerially-exposed volcanic deposits dating back through the Holocene to the late Pleistocene. These feature data represent such deposits and other geologic features of Alamagan Volcano, describing its interpreted eruptive history. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alamagan Island, Andesite, CartographicLines, Intermediate volcanic rock, Lava flow, All tags... Northern Islands, Northern Mariana Islands, Pacific, Pacific Islands, Pyroclastic rock, United States, Volcanic rock, annotation tie, cartographic line, geologic maps, map boundary, volcanic activity, Fewer tags Tiltmeter data from Kīlauea summit stations UWE and SDH from January 1 to December 31, 2020 Tiltmeter data from borehole tilt stations UWE and SDH from January 1 to December 31, 2020, spanning a Kīlauea summit intrusion and summit eruption that began on December 20, 2020. These data were collected in 2020 by Andria P Ellis and Ingrid A Johanson of the USGS Hawaiian Volcano Observatory. The authors thank Sarah Conway for conducting the nearly monthly clock resets for these tiltmeters in 2020. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Geophysics, Remote Sensing, USGS Science Data Catalog (SDC), Volcanology, field inventory and monitoring, All tags... geodesy, tiltmeter measurement, volcanic activity, Fewer tags 2023 (updated 2023-10-24) We depict changing eruptive features within the summit caldera of Kīlauea volcano, Island of Hawaiʻi with rapid-response digital elevation models (DEMs) acquired since a series of caldera-filling effusive eruptions began on December 20, 2020. These eruptions follow the caldera collapse of 2018, with new lava progressively filling the approximately 1-cubic-kilometer pit that formed between May and August of that year. The majority of the provided DEMs were constructed via structure-from-motion (SfM) photogrammetry from either helicopter or uncrewed aircraft system (UAS) overflight images, with the remainder constructed via terrestrial laser scanning (TLS) from the Halemaʻumaʻu crater rim. These data were collected... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Basalt, Halemaʻumaʻu, Hawaii, Kaluapele, Kīlauea, All tags... Lava flow, Mafic volcanic rock, Pacific, Pacific Islands, United States, Volcanic rock, volcanic activity, volcanic rocks, Fewer tags Thermal camera data for the summit of Kīlauea Volcano, 2019–2022 Following the 2018 collapses of the caldera floor at the summit of Kīlauea Volcano (Anderson and others, 2019; Neal and others, 2019), the enlarged and deepened depression hosted a variety of volcanic activity between 2019 and 2022. These events included an unprecedented water lake and two prolonged episodes of lava lake activity. This data release includes images from a stationary thermal camera poised on the western caldera rim, with the camera providing a continuous record of the summit changes over this period. The thermal images provide an excellent observational record of the activity owing to the ability to see through thick volcanic fume, and the clarity with which they highlight active portions of the... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: HI, Halemaumau, Hawaii, Hawaii County 2, Kilauea Volcano, All tags... USA, USGS Science Data Catalog (SDC), Volcanology, field inventory and monitoring, geoscientificInformation, volcanic activity, volcanic rocks, Fewer tags 2020 We depict changing eruptive features within the summit caldera of Kīlauea volcano, Island of Hawaiʻi with rapid-response digital elevation models (DEMs) acquired since a series of caldera-filling effusive eruptions began on December 20, 2020. These eruptions follow the caldera collapse of 2018, with new lava progressively filling the approximately 1-cubic-kilometer pit that formed between May and August of that year. The majority of the provided DEMs were constructed via structure-from-motion (SfM) photogrammetry from either helicopter or uncrewed aircraft system (UAS) overflight images, with the remainder constructed via terrestrial laser scanning (TLS) from the Halemaʻumaʻu crater rim. These data were collected... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Basalt, Halemaʻumaʻu, Hawaii, Kaluapele, Kīlauea, All tags... Lava flow, Mafic volcanic rock, Pacific, Pacific Islands, United States, Volcanic rock, volcanic activity, volcanic rocks, Fewer tags Tiltmeter data from Kīlauea’s East Rift Zone station JKA from August 1 to September 15, 2014 Tiltmeter data from station Jonika Flow (JKA) used in the publication "Pre-existing ground cracks as lava flow pathways at Kīlauea in 2014" by Tim R. Orr, Edward W. Llewellin, Kyle R. Anderson, and Matthew R. Patrick. These data were collected in 2014 by Asta Miklius of the USGS Hawaiian Volcano Observatory. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Geophysics, USGS Science Data Catalog (SDC), Volcanology, field inventory and monitoring, geodesy, All tags... tiltmeter measurement, volcanic activity, Fewer tags Alamagan Volcano - map unit polygons Alamagan Volcano is a Quaternary stratovolcano along the Mariana Arc, an active subduction zone in the western Pacific Ocean. Although primarily submerged, its peak reaches above sea level, with subaerially-exposed volcanic deposits dating back through the Holocene to the late Pleistocene. These feature data represent such deposits and other geologic features of Alamagan Volcano, describing its interpreted eruptive history. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alamagan Island, Andesite, Intermediate volcanic rock, Lava flow, MapUnitPolys, All tags... Northern Islands, Northern Mariana Islands, Pacific, Pacific Islands, Pyroclastic rock, United States, Volcanic rock, geologic maps, geologic unit polygon, map unit polygon, volcanic activity, Fewer tags Digital database of the geologic map of Alamagan Volcano, northern Mariana Islands Alamagan Volcano is a Quaternary stratovolcano along the Mariana Arc, an active subduction zone in the western Pacific Ocean. Although primarily submerged, its peak reaches above sea level, with subaerially-exposed volcanic deposits dating back through the Holocene to the late Pleistocene. These feature data represent such deposits and other geologic features of Alamagan Volcano, describing its interpreted eruptive history. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alamagan Island, Andesite, Intermediate volcanic rock, Lava flow, NMI_Alamagan, All tags... Northern Islands, Northern Mariana Islands, Pacific, Pacific Islands, Pyroclastic rock, USGS Science Data Catalog (SDC), United States, Volcanic rock, Volcanology, geologic maps, volcanic activity, Fewer tags Observations and model simulations of umbrella-cloud growth during eruptions of Mount Pinatubo (Philippines, June 15, 1991), Kelud Volcano (Indonesia, February 14, 2014), and Calbuco Volcano (Chile, April 22-23, 2015) Model output to accompany the paper "Comparing Simulations of Umbrella-Cloud Growth and Ash Transport with Observations from Pinatubo, Kelud, and Calbuco Volcanoes", by L.G. Mastin and Alexa Van Eaton, published by the journal Atmosphere. The data release includes model input and output used to generate figures in the paper. Reference:: Mastin, L.G., and Van Eaton, A.R., 2020, Comparing Simulations of Umbrella-Cloud Growth and Ash Transport with Observations from Pinatubo, Kelud, and Calbuco Volcanoes: Atmosphere, v. 11, no. 10, p. 1038. https://www.mdpi.com/2073-4433/11/10/1038 Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Gunung Kelud, Mount Pinatubo, USGS Science Data Catalog (SDC), Volcano Calbuco, aviation safety, All tags... volcanic activity, Fewer tags Database for the geologic map of the northern Harrat Rahat volcanic field, Kingdom of Saudi Arabia The Harrat Rahat volcanic field, located in the west-central part of the Kingdom of Saudi Arabia, is the largest of 15 harrats (Arabic for 'volcanic field') hosted within the Arabian plate. Harrat Rahat is 50 to 75 km wide (east-west) and 300 km long (north-south), covering an area of approximately 20,000 square kilometers and encompassing more than 900 observable vents. The overall map area and its dataset show the volcanic geology of the northern part (about 3,340 square kilometers) of Harrat Rahat, at a scale of 1:75,000. Two additional map areas and their feature classes highlight areas of interest at 1:25,000 scale. Northern Harrat Rahat is of interest owing to the location of the city of Al-Madinah Al-Munawarah... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Al-Madinah Al-Munawarah, Basalt, Benmoreite, Harrat Rahat volcanic field, Lava flow, All tags... Mugearite, Saudi Arabia, Trachyte, USGS Science Data Catalog (SDC), geology, geoscientificInformation, volcanic activity, Fewer tags Unoccupied Aircraft Systems (UAS) video of the 2018 lower East Rift Zone eruption of Kīlauea Volcano, Hawaii This dataset contains Unoccupied Aircraft Systems (UAS) footage from the 2018 eruption of Kīlauea Volcano’s lower East Rift Zone (LERZ), Island of Hawai‘i. The four-month-long eruption, from May 3 to September 5, produced lava flows that destroyed 723 structures, inundated 35.5 km2 of land, and added 3.5 km2 of new land to the Island of Hawai‘i. There are 1178 UAS videos in this publication, recorded from May 27 to September 8, which have been separated into sub-pages by month. Videos taken during each month are separated into zipped files by date (YYYY/MM/DD) and location. Sub-pages for each month also contain a ReadMe text file with information pertaining to the videos, including flight end time, video duration,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Island of Hawaii, Kilauea Volcano, Leilani Estates, Remote Sensing, USGS Science Data Catalog (SDC), All tags... Volcanology, lower East Rift Zone, unoccupied aircraft system, volcanic activity, volcanic eruption, volcano monitoring, Fewer tags Elevation of the lava lake in Halemaʻumaʻu crater, Kīlauea Volcano, from 2009 to 2018 This data release includes measurements of the surface elevation of the lava lake within Halemaʻumaʻu crater, at the summit of Kīlauea Volcano, during the 2008-2018 summit eruption (Patrick and others, 2021). The data were measured by several instruments (laser rangefinder, webcams, lidar) and are compiled here to provide the most complete dataset yet available on the elevation of Kīlauea’s 2008-2018 summit lava lake. The measurement intervals range from 1 s to 1 day, with most of the 9-year period covered by hourly measurements. The dataset begins with daily measurements of the emergent lake in 2009 and 2010. After 2010, continuous lake activity was tracked with hourly measurements of lava level that continued... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Halemaʻumaʻu, Halemaʻumaʻu Overlook, Kīlauea Crater, USGS Science Data Catalog (SDC), Volcanology, All tags... volcanic activity, 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 Preliminary map of the 2018 lower East Rift Zone eruption of Kīlauea Volcano, Island of Hawai‘i This web map service is updated as data is available to show ongoing developments of the 2018 lower East Rift Zone eruption of Kīlauea Volcano, Island of Hawai‘i. These data are preliminary and represent estimated locations for lava flow boundaries, eruptive fissures, and noneruptive ground cracks shown as polygons, lines, and points, respectively. Also included are historic Kīlauea lava flows from 1840, 1955, 1960, and 2014-2015 as purple shaded areas, and paths of steepest decent in blue. The web service can be found at https://www.sciencebase.gov/catalog/item/5afe0ba7e4b0da30c1bdb9db and https://gis.usgs.gov/sciencebase2/rest/services/Catalog/5afe0ba7e4b0da30c1bdb9db/MapServer. Users may download the source... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Hawaii, Kapoho, Kīlauea Volcano, Kīlauea Volcano, Leilani Estates, All tags... Leilani Estates, Opihikao, Pohoiki, eruption, eruptive fissure, ground crack, lava flow, lower East Rift Zone, lower East Rift Zone, lower Puna District, lower Puna District, volcanic activity, volcanic rocks, Fewer tags Photogrammetry-derived digital elevation models and source images for an inactive perched lava lake formed at Pu‘u‘ō‘ō (Kīlauea) in 2014 Lava flow hazards are usually thought to end when the erupting vent becomes inactive, but this is not always the case. At Kīlauea in August 2014, a spiny ʻaʻā flow erupted from the levee of a crusted perched lava lake that had been inactive for a month, and the surface of the lava lake subsided as the flow advanced downslope over the following few days. Topography constructed from oblique aerial photographs using structure-from-motion (SfM) software shows that the volume of the flow (~68,000 m3) closely matches the volume of subsidence of the crusted lava lake (~64,000 m3). The similarity of these volumes, along with the textural characteristics of the lava, shows that the lava that fed the flow had been stored... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Basalt, East Rift Zone, Hawaii, Kīlauea, Lava flow, All tags... Mafic volcanic rock, Pacific, Pacific Islands, Pu‘u‘ō‘ō, USGS Science Data Catalog (SDC), United States, Volcanic rock, Volcanology, volcanic activity, volcanic rocks, Fewer tags Hazard zone boundaries from the volcano hazards assessment for the Lassen region, Northern California This report evaluates the volcano-related hazards, including regional mafic lava flows, silicic lava domes, pyroclastic flows, lahars, and volcanic ash, of the Lassen region, California, which is here defined as an area between the Pit River on the north and the southern limit of active Cascade volcanism, approximately 5–10 km south of the southern boundary of Lassen Volcanic National Park. Most active volcanism occurs in a zone about 40 km wide between Viola on the west and the eastern boundary of Caribou Wilderness Area, but sparser volcanism in the west extends the width of this zone to about 75 km. All vents and deposits known or estimated to be less than 100,000 years are identified and considered in establishing... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Klamath National Forest, Lassen National Forest, Lassen Peak, Lassen Volcanic National Park, All tags... Medicine Lake volcano, Plumas County, Plumas National Forest, Shasta County, Tehama County, USGS Science Data Catalog (SDC), Volcanic ash, Volcanology, hazards, volcanic activity, volcanic eruption prediction, volcanic rocks, volcanology, Fewer tags Cyclic lava effusion during the 2018 eruption of Kīlauea Volcano: data release 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... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: East Rift Zone, Island of Hawaiʻi, Leilani Estates, USGS Science Data Catalog (SDC), Volcanology, All tags... volcanic activity, volcano monitoring, Fewer tags Historical video footage of Mount St. Helens volcano, Washington, 1980-1982 This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the first two years of the eruption. Original videos were collected on an assortment of cameras and film types, including 16 mm, 8 mm and Super 8 mm during USGS field campaigns on the ground as well as from the air and on time-lapse camera stations setup around the volcano. Videos capture USGS crews collecting data as well as an assortment of volcanic processes, including dome growth, ash emissions, rockslides, and pyroclastic flows. These film records represent a tremendous resource to the volcanology community as they represent visual recordings... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Mount St. Helens, Mount St. Helens Collection, Mount St. Helens, Washington, USGS Science Data Catalog (SDC), Volcanic Activity, All tags... Volcanic Eruption, Volcanic Unrest, Volcano, Volcano Observatories, Volcanology, Fewer tags 1 2 »