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news.nationalgeographic.com
When we hear that a magnitude 8 earthquake has struck, we know that’s worse than a magnitude 4 earthquake. But how much worse?
hcn.org
LIDAR, or Light Detection and Ranging, uses lasers to create intricate three-dimensional maps in places where bad weather or thick vegetation hampered traditional aerial mapping. Though the technology itself isn’t new, it’s about to become more widespread: The 3D Elevation Program, a billion-dollar initiative launched this summer by the U.S. Geological Survey and numerous partners, seeks to remap the country using LIDAR — and make the maps public. “There doesn’t seem to be a limit to how creative people can use this technology,” says Kevin Gallagher, associate director for USGS Core Science Systems. “It’s like looking at the world through a new pair of glasses.”
usgs.gov
Celebrate the third annual Geologic Map Day! On October 17, as a part of the Earth Science Week 2014 activities, join leading geoscience organizations in promoting awareness of the importance of geologic mapping to society.
By: Robert F. Biek, John J. Anderson, Edward G. Sable, and Peter D. Rowley
The Haycock Mountain quadrangle lies in the central part of the Markagunt Plateau in southwest Utah and includes the eastern part of Panguitch Lake, a popular area of summer and winter recreational use. Despite the plateau’s relatively simple structure of a gently east-tilted fault block, the quadrangle contains scenic and instructive exposures of south-west Utah’s youngest basaltic lava flows, classic examples of inverted valleys capped by older lava flows, and the southern margin of the Markagunt Megabreccia, including newly identified, exceptionally instructive exposures of its basil slip surface. The Megabreccia is the debris of Utah’s largest catastrophic landslide deposit, which covers 1300 square miles (3400 km²) of the northern and central Markagunt Plateau.
By: Robert F. Biek, John J. Anderson, Edward G. Sable, and Peter D. Rowley
The Panguitch Lake quadrangle lies in the central part of the Markagunt Plateau in southwest Utah and includes Panguitch Lake, a popular area of summer and winter recreational use. Despite the plateau’s relatively simple structure of a gently east-tilted fault block, the quadrangle contains scenic and instructive exposures of southwest Utah’s youngest basaltic lava flows, classic examples of inverted valleys capped by older lava flows, glacial deposits in the Castle Valley area, and the southern margin of the Markagunt Megabreccia. The Megabreccia is the debris of Utah’s largest catastrophic landslide deposit, which covers 1300 square miles (3400 km²) of the northern and central Markagunt Plateau.
Good morning geo friends! The U.S. Geological Survey (USGS) has recently updated their U.S. National Seismic Hazard Maps, which reflect the best and most current understanding of where future earthquakes will occur, how often they will occur, and how hard the ground will likely shake. While earthquakes remain hard to predict, the USGS hopes to understand how earthquakes might affect areas specifically to better plan for the event.
usgs.gov
To help make the best decisions to protect communities from earthquakes, new USGS maps display how intense ground shaking could be across the nation.
smithsonianmag.com
Efforts to explain what GIS actually is almost invariably wax philosophical. At its most essential, GIS is a system for marrying data sets with geography. But it can better be understood as the product of a specific historic moment whose fruit is just coming to bear – a moment arising from the spontaneous amalgam of diverse technologies reaching their apparent apotheosis. And it began when a young Roger Tomlinson—and others—wanted to geographically assess more information than ever before. While the rise of digital culture has served to erode countless boundaries in traditional disciplines, that corrosion partially began in an airplane in 1962 with the predicament of getting gobs of information into one little map.
By: Hellmut H. Doelling and Paul A. Kuehne
The Klondike Bluffs 7.5′ quadrangle covers a large part of Arches National Park and encompasses colorful bedrock strata ranging in age from Pennsylvania Paradox Formation to Cretaceous Mancos Shale. Salt diapirs are common throughout the area, and the Salt-Cache Valley Salt Structure is the most prominent structure, with several additional salt structures present, including the Salt Wash and Courthouse synclines and the Elephant Butte folds. Scenic resources in the area showcase joints, fins, grabens above salt wells, and the highest concentration of arches in the world.
This CD contains geographic information system (GIS) files in ESRI file geodatabase and shapefile formats. A geologic map at 1:24,000 scale and a 31-page booklet are also included in PDF format. The latest version of Adobe Reader is required to view the PDF files.
By: Hellmut H. Doelling and Paul A. Kuehne
The Mollie Hogans 7.5′ quadrangle covers a large part of Arches National Park and encompasses colorful bedrock strata ranging in age from Pennsylvanian Paradox Formation to Cretaceous Mancos Shale. Salt diapirs are common throughout the area, and the Salt-Cache Valley Salt Structure is the most prominent structure, with several additional salt structures present, including the Salt Wash and Courthouse synclines and the Elephant Butte folds. Scenic resources in the area showcase joints, fins, grabens above salt walls, and the highest concentration of arches in the world.
This CD contains geographic information system (GIS) files in ESRI file geodatabase and shapefile formats. A geologic map at 1:24,000 scale and a 31-page booklet are also included in PDF format. The latest version of Adobe Reader is required to view the PDF files.
By: Hellmut H. Doelling and Paul A. Kuehne
The Windows Section 7.5′ quadrangle covers a large part of Arches National Park and encompasses colorful bedrock strata ranging in age from Pennsylvanian Paradox Formation to Cretaceous Mancos Shale. Salt diapirs are common throughout the area, and the Salt-Cache Valley Salt Structure is the most prominent structure, with several additional salt structures present, including the Salt Wash and Courthouse synclines and the Elephant Butte folds. A one-mile-wide zone of faults is located in the Windows Section northeast of the Moab fault. Scenic resources in the area showcase joints, fins, grabens above salt walls, and the highest concentration of arches in the world.
This CD contains geographic information system (GIS) files in ESRI file geodatabase and shapefile formats. A geologic map at 1:24,000 scale and a 31-page booklet are also included in PDF format. The latest version of Adobe Reader is required to view the PDF files.
usgs.gov
Newly released US Topo maps for Utah now feature a new commercial road data provider. The latest highway, road and street data from HERE has been added to the 1,476 revised US Topo quadrangles for the state.
The Utah Geological Survey (UGS) is a division of the Utah Department of Natural Resources. Several specialized programs comprise the UGS: Data Management, Energy & Minerals, Geologic Hazards, Geologic Information & Outreach, Geologic Mapping, Groundwater & Wetlands, and Paleontology.