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The Laohu Shan cluster is named after the Laohu Shan fault that is part of the larger Qilian-Haiyuan fault system bordering northeastern Tibet in Gansu Province, China. The cluster does not contain any events over magnitude 6 but contains a half dozen magnitude 5 events, include a 5.8 Ms event on October 20, 1990. Both local seismic stations and the seismicity are somewhat scattered in this area so the cluster is larger geographically than is optimal. As a result the location uncertainties of events near the periphery are likey underestimated. Location calibration is based mainly on a dataset of arrival times from Chinese provincial networks in the period 1967-2004, collected by Sun Ruomei. Many of these events...
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In the late evening of November 27, 2022, an effusive eruption began inside Mokuʻāweoweo caldera at the summit of Mauna Loa volcano. Within a few hours, lava had covered most of the caldera floor, and several fissures just outside caldera sent short lava flows up to 3 kilometers (2 miles) to the southwest. Later in the morning of November 28, summit effusion ceased and the eruption moved into the volcano's Northeast Rift Zone. Several rift zone fissures were initially active, but by November 30 effusion had focused at a vent known as fissure 3. For another 10 days, fissure 3 fountained and fed lava flows that eventually stretched 18 kilometers (11 miles) to the north, threatening but not reaching the Daniel K. Inouye...
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In the late evening of November 27, 2022, an effusive eruption began inside Mokuʻāweoweo caldera at the summit of Mauna Loa volcano. Within a few hours, lava had covered most of the caldera floor, and several fissures just outside caldera sent short lava flows up to 3 kilometers (2 miles) to the southwest. Later in the morning of November 28, summit effusion ceased and the eruption moved into the volcano's Northeast Rift Zone. Several rift zone fissures were initially active, but by November 30 effusion had focused at a vent known as fissure 3. For another 10 days, fissure 3 fountained and fed lava flows that eventually stretched 18 kilometers (11 miles) to the north, threatening but not reaching the Daniel K. Inouye...
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These data represent a Global Positioning System (GPS) survey generated using a Trimble R10 Real-Time Kinematic (RTK) and Global Navigation Satellite Systems (GNSS). The survey extends along the Cedar River streambed in Cedar Falls, Iowa, where a wastewater treatment diffuser pipe is installed. Cross-sectional representations were produced to depict stream depth and streambed elevation. Cross-sectional data should be interpreted from a downstream perspective.
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The National Park Service (NPS) requests burn severity assessments through an agreement with the U.S. Geological Survey (USGS) to be completed by analysts with the Monitoring Trends in Burn Severity (MTBS) Program. The MTBS Program assesses the frequency, extent, and magnitude (size and severity) of all large wildland fires (wildfires and prescribed fires) in the conterminous United States (CONUS), Alaska, Hawaii, and Puerto Rico for the period 1984 and beyond. All fires reported as greater than 1,000 acres in the western U.S. and greater than 500 acres in the eastern U.S. are mapped across all ownerships. MTBS produces a series of geospatial and tabular data for analysis at a range of spatial, temporal, and thematic...
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The National Park Service (NPS) requests burn severity assessments through an agreement with the U.S. Geological Survey (USGS) to be completed by analysts with the Monitoring Trends in Burn Severity (MTBS) Program. The MTBS Program assesses the frequency, extent, and magnitude (size and severity) of all large wildland fires (wildfires and prescribed fires) in the conterminous United States (CONUS), Alaska, Hawaii, and Puerto Rico for the period 1984 and beyond. All fires reported as greater than 1,000 acres in the western U.S. and greater than 500 acres in the eastern U.S. are mapped across all ownerships. MTBS produces a series of geospatial and tabular data for analysis at a range of spatial, temporal, and thematic...
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The National Park Service (NPS) requests burn severity assessments through an agreement with the U.S. Geological Survey (USGS) to be completed by analysts with the Monitoring Trends in Burn Severity (MTBS) Program. The MTBS Program assesses the frequency, extent, and magnitude (size and severity) of all large wildland fires (wildfires and prescribed fires) in the conterminous United States (CONUS), Alaska, Hawaii, and Puerto Rico for the period 1984 and beyond. All fires reported as greater than 1,000 acres in the western U.S. and greater than 500 acres in the eastern U.S. are mapped across all ownerships. MTBS produces a series of geospatial and tabular data for analysis at a range of spatial, temporal, and thematic...
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The National Park Service (NPS) requests burn severity assessments through an agreement with the U.S. Geological Survey (USGS) to be completed by analysts with the Monitoring Trends in Burn Severity (MTBS) Program. The MTBS Program assesses the frequency, extent, and magnitude (size and severity) of all large wildland fires (wildfires and prescribed fires) in the conterminous United States (CONUS), Alaska, Hawaii, and Puerto Rico for the period 1984 and beyond. All fires reported as greater than 1,000 acres in the western U.S. and greater than 500 acres in the eastern U.S. are mapped across all ownerships. MTBS produces a series of geospatial and tabular data for analysis at a range of spatial, temporal, and thematic...
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The National Park Service (NPS) requests burn severity assessments through an agreement with the U.S. Geological Survey (USGS) to be completed by analysts with the Monitoring Trends in Burn Severity (MTBS) Program. The MTBS Program assesses the frequency, extent, and magnitude (size and severity) of all large wildland fires (wildfires and prescribed fires) in the conterminous United States (CONUS), Alaska, Hawaii, and Puerto Rico for the period 1984 and beyond. All fires reported as greater than 1,000 acres in the western U.S. and greater than 500 acres in the eastern U.S. are mapped across all ownerships. MTBS produces a series of geospatial and tabular data for analysis at a range of spatial, temporal, and thematic...
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These data products are preliminary burn severity assessments derived from data obtained from suitable imagery (including Landsat TM, Landsat ETM+, Landsat OLI, Sentinel 2A, and Sentinel 2B). The pre-fire and post-fire subsets included were used to create a differenced Normalized Burn Ratio (dNBR) image. The dNBR image attempts to portray the variation of burn severity within a fire. The severity ratings are influenced by the effects to the canopy. The severity rating is based upon a composite of the severity to the understory (grass, shrub layers), midstory trees and overstory trees. Because there is often a strong correlation between canopy consumption and soil effects, this algorithm works in many cases for Burned...
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Upper Freeport coal with overlying shales and base of Mahoning sandstone at south portal of Baltimore and Ohio railroad tunnel, Stony Creek. Cambria County, Pennsylvania. 1906. Plate 7-B in U.S. Geological Survey Bulletin 447. 1911.
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Gypsum outcrop on Fort Dodge, Des Moines & Southern Railroad, Sec. 6., T. 8 N., R. 28 W., near Fort Dodge. Iowa. June 9, 1916.
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Album caption and index card: Panorama of New Cornelia mine, from south. Phelps Dodge Corp. Pima County, Arizona. Forms panorama with J. Gilluly photograph numbers 4 - 10. Handwritten note on album caption: 1933. Notes: Published as Plate 2-B, in U.S.Geological Survey Professional paper 209. (1946)
U.S. Geological Survey Rocky Mountain Region inland bathymetric survey data are compiled to create a survey inventory providing survey records including survey system and product information, and links to survey datasets when available. Dataset footprints including this information and showing the location and extent of surveys can be downloaded as a shapefile or geodatabase and can be accessed through Spatial Services provided here.


map background search result map search result map Panorama of New Cornelia mine. Pima County, Arizona. 1933. Elk Lake and Snowmass Mountain, shadow view. Pitkin County, Colorado. 1873. (Stereoscopic view) View on the Blue River, looking west across the river. Summit County, Colorado. 1874. (Stereoscopic view) Bakers Park, from the mouth of Arastra Gulch. San Juan County, Colorado. 1874. (Stereoscopic view) Sultan Mountains from Arastra Gulch. San Juan County, Colorado. 1874. (Stereoscopic view) Stereo studies about Mt. Blackmore, M.T. Upper canyon of Middle Creek. Gallatin County, Montana. 1872. Upper Freeport coal with overlying shales and base of Mahoning sandstone at south portal of Baltimore and Ohio railroad tunnel, Stony Creek. Cambria County, Pennsylvania. 1906. Gypsum outcrop on Fort Dodge, Des Moines & Southern Railroad, near Fort Dodge. Iowa. 1916. Florida East Coast Railroad tracks toward Grassy Key. Dry Tortugas National Park, Florida. 1908. National Park Service Thematic Burn Severity Mosaic in 2018 (ver. 8.0, August 2024) National Park Service Thematic Burn Severity Mosaic in 2013 (ver. 8.0, August 2024) National Park Service Thematic Burn Severity Mosaic in 2006 (ver. 8.0, August 2024) National Park Service Thematic Burn Severity Mosaic in 1996 (ver. 8.0, August 2024) National Park Service Thematic Burn Severity Mosaic in 1995 (ver. 8.0, August 2024) Burned Area Reflectance Classification Thematic Burn Severity Mosaic for 2023 (ver. 6.0, January 2024) U.S. Geological Survey Wastewater Diffuser Survey in Cedar Falls Mauna Loa 2022 summit and Northeast Rift Zone eruption — fissure lines Mauna Loa 2022 summit and Northeast Rift Zone eruption — lava flow footprint China, Laohushan: 1967-2023 U.S. Geological Survey Wastewater Diffuser Survey in Cedar Falls Mauna Loa 2022 summit and Northeast Rift Zone eruption — fissure lines Florida East Coast Railroad tracks toward Grassy Key. Dry Tortugas National Park, Florida. 1908. Mauna Loa 2022 summit and Northeast Rift Zone eruption — lava flow footprint Bakers Park, from the mouth of Arastra Gulch. San Juan County, Colorado. 1874. (Stereoscopic view) Sultan Mountains from Arastra Gulch. San Juan County, Colorado. 1874. (Stereoscopic view) Upper Freeport coal with overlying shales and base of Mahoning sandstone at south portal of Baltimore and Ohio railroad tunnel, Stony Creek. Cambria County, Pennsylvania. 1906. View on the Blue River, looking west across the river. Summit County, Colorado. 1874. (Stereoscopic view) Stereo studies about Mt. Blackmore, M.T. Upper canyon of Middle Creek. Gallatin County, Montana. 1872. Panorama of New Cornelia mine. Pima County, Arizona. 1933. China, Laohushan: 1967-2023 Gypsum outcrop on Fort Dodge, Des Moines & Southern Railroad, near Fort Dodge. Iowa. 1916. Burned Area Reflectance Classification Thematic Burn Severity Mosaic for 2023 (ver. 6.0, January 2024) National Park Service Thematic Burn Severity Mosaic in 1995 (ver. 8.0, August 2024) National Park Service Thematic Burn Severity Mosaic in 2013 (ver. 8.0, August 2024) National Park Service Thematic Burn Severity Mosaic in 1996 (ver. 8.0, August 2024) National Park Service Thematic Burn Severity Mosaic in 2018 (ver. 8.0, August 2024) National Park Service Thematic Burn Severity Mosaic in 2006 (ver. 8.0, August 2024)