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The catastrophic, explosive eruption of Mount St. Helens, Washington, on May 18, 1980, is the most well-known eruption of the volcano. Less well known is the May 18th eruption marked the beginning of a period of eruptive activity that lasted through 1986. From October 1980 through October 1986, a series of 17 dome-building episodes added millions of cubic meters of lava to the crater floor. Most of the growth occurred when magma extruded onto the surface of the dome, forming short (650 to 1,300 feet), thick (65 to 130 feet) lava flows. This data release is a 1-meter resolution digital elevation model (DEM) and a corresponding hillshade raster derived from a previously unpublished 1:2,000 scale topographic contour...
The 2018 lower East Rift Zone eruption of Kīlauea volcano, Island of Hawaiʻi, was one of the most destructive effusive eruptions worldwide in the past century, destroying over 700 structures (Neal and others, 2019; Meredith and others, 2022). Between May and September 2018, a total of 24 fissures opened, producing a lava flow field with an area of 36 km2. By the end of May, the eruption had focused at fissure 8, which produced the dominant lava flow of the eruption. This lava flow extended north from its vent in Leilani Estates and entered the ocean in Kapoho, reaching a total subaerial length of 13 km. This flow was active for about two months, from May 28 to August 4, followed by several weeks of weak vent...
The 2018 lower East Rift Zone eruption of Kīlauea volcano, Island of Hawaiʻi, was one of the most destructive effusive eruptions worldwide in the past century, destroying over 700 structures (Neal and others, 2019; Meredith and others, 2022). Between May and September 2018, a total of 24 fissures opened, producing a lava flow field with an area of 36 km2. By the end of May, the eruption had focused at fissure 8, which produced the dominant lava flow of the eruption. This lava flow extended north from its vent in Leilani Estates and entered the ocean in Kapoho, reaching a total subaerial length of 13 km. This flow was active for about two months, from May 28 to August 4, followed by several weeks of weak vent...
The 2018 lower East Rift Zone eruption of Kīlauea volcano, Island of Hawaiʻi, was one of the most destructive effusive eruptions worldwide in the past century, destroying over 700 structures (Neal and others, 2019; Meredith and others, 2022). Between May and September 2018, a total of 24 fissures opened, producing a lava flow field with an area of 36 km2. By the end of May, the eruption had focused at fissure 8, which produced the dominant lava flow of the eruption. This lava flow extended north from its vent in Leilani Estates and entered the ocean in Kapoho, reaching a total subaerial length of 13 km. This flow was active for about two months, from May 28 to August 4, followed by several weeks of weak vent...
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.
The 2018 eruption of Kīlauea Volcano included both a large effusive eruption on the lower East Rift Zone and associated collapse and subsidence of the caldera floor at the summit (Anderson and others 2019; Neal and others 2019; Patrick and others 2020). Lava erupted from 24 fissures on the lower East Rift Zone over four months, with high effusion rates (>100 m3 s-1) often supplying lava into channelized flows (Dietterich and others 2021). This effusion produced an extensive lava flow field, covering 36 km2 and creating 3.5 km2 of new land along the coast (Zoeller and others 2020). The eruption was notable for the sustained high effusion rates, which produced complex and prolonged evolution of the lava flow field,...
The 2018 lower East Rift Zone eruption of Kīlauea volcano, Island of Hawaiʻi, was one of the most destructive effusive eruptions worldwide in the past century, destroying over 700 structures (Neal and others, 2019; Meredith and others, 2022). Between May and September 2018, a total of 24 fissures opened, producing a lava flow field with an area of 36 km2. By the end of May, the eruption had focused at fissure 8, which produced the dominant lava flow of the eruption. This lava flow extended north from its vent in Leilani Estates and entered the ocean in Kapoho, reaching a total subaerial length of 13 km. This flow was active for about two months, from May 28 to August 4, followed by several weeks of weak vent...
The 2018 eruption of Kīlauea Volcano included both a large effusive eruption on the lower East Rift Zone and associated collapse and subsidence of the caldera floor at the summit (Anderson and others 2019; Neal and others 2019; Patrick and others 2020). Lava erupted from 24 fissures on the lower East Rift Zone over four months, with high effusion rates (>100 m3 s-1) often supplying lava into channelized flows (Dietterich and others 2021). This effusion produced an extensive lava flow field, covering 36 km2 and creating 3.5 km2 of new land along the coast (Zoeller and others 2020). The eruption was notable for the sustained high effusion rates, which produced complex and prolonged evolution of the lava flow field,...
The 2018 lower East Rift Zone eruption of Kīlauea volcano, Island of Hawaiʻi, was one of the most destructive effusive eruptions worldwide in the past century, destroying over 700 structures (Neal and others, 2019; Meredith and others, 2022). Between May and September 2018, a total of 24 fissures opened, producing a lava flow field with an area of 36 km2. By the end of May, the eruption had focused at fissure 8, which produced the dominant lava flow of the eruption. This lava flow extended north from its vent in Leilani Estates and entered the ocean in Kapoho, reaching a total subaerial length of 13 km. This flow was active for about two months, from May 28 to August 4, followed by several weeks of weak vent...
The geologic map database in this data release is a reproduction of the U.S. Geological Survey Professional Paper 1762: Volcanic Processes and Geology of Augustine Volcano, Alaska, Waitt and Begét (2009). The database consists of a geologic map and one structural cross section that conform to the National Geologic Map Schema (GeMS). These data supersede USGS Data Series 677: Database for Volcanic Processes and Geology of Augustine Volcano, Alaska, McIntire and others, 2012. Augustine Island (volcano) in lower Cook Inlet, Alaska, has erupted repeatedly in late-Holocene and historical times. Eruptions typically beget high-energy volcanic processes. Most notable are bouldery debris avalanches containing immense angular...
The 2018 eruption of Kīlauea Volcano included both a large effusive eruption on the lower East Rift Zone and associated collapse and subsidence of the caldera floor at the summit (Anderson and others 2019; Neal and others 2019; Patrick and others 2020). Lava erupted from 24 fissures on the lower East Rift Zone over four months, with high effusion rates (>100 m3 s-1) often supplying lava into channelized flows (Dietterich and others 2021). This effusion produced an extensive lava flow field, covering 36 km2 and creating 3.5 km2 of new land along the coast (Zoeller and others 2020). The eruption was notable for the sustained high effusion rates, which produced complex and prolonged evolution of the lava flow field,...
The 2018 lower East Rift Zone eruption of Kīlauea volcano, Island of Hawaiʻi, was one of the most destructive effusive eruptions worldwide in the past century, destroying over 700 structures (Neal and others, 2019; Meredith and others, 2022). Between May and September 2018, a total of 24 fissures opened, producing a lava flow field with an area of 36 km2. By the end of May, the eruption had focused at fissure 8, which produced the dominant lava flow of the eruption. This lava flow extended north from its vent in Leilani Estates and entered the ocean in Kapoho, reaching a total subaerial length of 13 km. This flow was active for about two months, from May 28 to August 4, followed by several weeks of weak vent...
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