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High-resolution digital elevation dataset for Glacier Peak and vicinity, Washington, based on lidar surveys of August-November, 2014 and June, 2015 Glacier Peak is a 3,214 m (10,544 ft.) stratovolcano composed mainly of dacite. The volcano is located in the Glacier Peak Wilderness Area, in the Mt. Baker-Snoqualmie National Forest, about 100 km (65 mi) northeast of Seattle and 110 km (70 mi) south of the International Boundary with Canada. Since the continental ice sheets receded from the region approximately 15,000 years ago, Glacier Peak has erupted repeatedly during at least six episodes. Two of these eruptions were among the largest in the Cascades during this time period. This DEM (digital elevation model) of Glacier Peak is the product of high-precision airborne lidar (Light Detection and Ranging) surveys performed during August-November, 2014 and June,... Types: Citation; Tags: Bare Earth, Bare Earth Hydroflattened, Breaklines, DEM, Digital Elevation Model, All tags... Elevation data, Glacier Peak, Hillshade, Hydrology, Lidar, Light Detection and Ranging, Mount Baker National Forest, Topography, USGS Science Data Catalog (SDC), United States, Volcano, Washington, Fewer tags High-resolution digital elevation model for Mount Adams and vicinity, Washington, based on lidar surveys of August-September, 2016 Mount Adams, also known by the Native American names "Klickitat" or "Pahto", is a 3,742 meter-tall (12,278 feet) stratovolcano located 53 km (33 miles) north of the Columbia river straddling the borders of Skamania County, Yakima County and the Yakama Nation Reservation. Mount Adams lies in the middle of the Mount Adams volcanic field—a 1,250 square kilometer area (about 480 square miles) comprising at least 120, mostly basaltic volcanoes that form spatter and scoria cones, shield volcanoes, and some extensive lava flows. The volcanic field has been active for at least the past one million years. Mount Adams was active from about 520,000 to about 1,000 years ago and has erupted mostly andesite. Eruptions have occurred... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Bare Earth, Bare Earth Hydroflattened, Breaklines, Clark County, DEM, All tags... Digital Elevation Model, Elevation data, Hillshade, Hydrology, Klickitat, Klickitat County, Lewis County, Lidar, Light Detection and Ranging, Mount Adams, Pahto, Shaded Relief, Skamania County, Topography, US, USGS Science Data Catalog (SDC), Volcano, Volcanology, WA, Washington, Yakama Nation, Yakima County, elevation, Fewer tags Digital elevation model of Kīlauea Volcano, Hawaiʻi, based on July 2019 airborne lidar surveys The 2018 eruption of Kīlauea Volcano on the Island of Hawaiʻi saw the collapse of a new, nested caldera at the volcano’s summit, and the inundation of 35.5 square kilometers (13.7 square miles) of the lower Puna District with lava. Between May and August, while the summit caldera collapsed, a lava channel extended 11 kilometers (7 miles) from fissure 8 in Leilani Estates to Kapoho Bay, where it formed an approximately 3.5-square-kilometer (1.4-square-mile) lava delta along the coastline. Rapidly-deployed remote sensing techniques were vital in monitoring these events. Following the eruption, the U.S. Geological Survey (USGS) contracted the acquisition of rigorous airborne lidar surveys of Kīlauea Volcano's summit,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ALS, DEM, East Rift Zone, Geography, Geomorphology, All tags... Geophysics, HI, Hawaiʻi, Hydrology, Kapoho Bay, Kīlauea Volcano, Land Use Change, Leilani Estates, Marine Geology, Puna District, Puʻu ʻŌʻō, Remote Sensing, Sedimentology, Seismology, Soil Sciences, Stratigraphy, Structural Geology, USA, USGS Science Data Catalog (SDC), Volcanology, airborne laser scanning, bare earth, digital elevation model, elevation, elevation, geomorphology, geoscientificInformation, hillshade, lidar, light detection and ranging, near infrared, shaded relief, topography, volcanic, volcano, Fewer tags Bathymetry and Backscatter Intensity of the Sea Floor South of Long Island, New York Surveys of the bathymetry and backscatter intensity of the sea floor south of Long Island, New York, were carried out in November 1998 using a Simrad EM1000 multibeam echosounder mounted on the Canadian Coast Guard ship Frederick G. Creed. The purpose of the multibeam echosounder surveys was to explore the bathymetry and backscatter intensity of the sea floor in several areas off the southern coast of Long Island along the 20-meter isobath. Survey areas offshore of Fire Island Inlet, Moriches Inlet, Shinnecock Inlet, and southwest of Montauk Point were about 1 kilometer (km) wide and 10 km long. The area was mapped by the U.S. Geological Survey with support from the Canadian Hydrographic Service and the University... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Fire Island, Long Island, Middle Atlantic Bight, Montauk Point, Moriches Inlet, All tags... New York, New York Bight, North Atlantic Ocean, Shinnecock Inlet, backscatter, backscatter intensity, bathymetry, elevation, geoscientificInformation, hillshade, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor mapping, shaded-relief bathymetry, tracklines, Fewer tags High-resolution digital elevation dataset for Newberry Volcano and vicinity, Oregon, based on lidar survey of August-September, 2010 and bathymetric survey of June, 2001 Newberry Volcano, one of the largest Quaternary volcanoes in the conterminous United States, is a broad shield-shaped volcano measuring 60 km north-south by 30 km east-west with a maximum elevation of more than 2 km above sea level. It is the product of deposits from thousands of eruptions, including at least 25 in (approximately) the last 12,000 years (the Holocene Epoch). Newberry Volcano has erupted as recently as 1,300 years ago, but isotopic ages indicate that the volcano began its growth as early as 0.6 million years ago. Such a long eruptive history together with recent activity suggests that Newberry Volcano is likely to erupt in the future. This DEM (digital elevation model) of Newberry Volcano contributes... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: DEM, Deschutes County, Deschutes County, East Lake, East Lake, All tags... Klamath County, Klamath County, Lake County, Lake County, Newberry Volcano, Newberry Volcano, Oregon, Oregon, Paulina Lake, Paulina Lake, USGS Science Data Catalog (SDC), high resolution, hillshade, lidar, volcano, Fewer tags