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USGS National and Global Oil and Gas Assessment Project—Santa Maria Basin Province, California: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Santa Maria Basin Province, California: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units and input data for the assessment of undiscovered oil and gas resources in the Santa Maria Basin Province, California. The assessment unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The assessment unit is defined within the context of the higher...
Hillslope hydrological monitoring data in Puerto Rico, October 2021 to September 2025 Hillslope hydrological monitoring data in Puerto Rico, October 2021 to September 2025
This data release includes time-series data from 18 monitoring stations installed in Puerto Rico following Hurricane María in 2017, which led to over 70,000 landslides across the island (Hughes and others, 2017). The first two stations were installed in July of 2018 (Smith and others, 2020) to investigate subsurface hydrologic response to rainfall and develop a quantitative link between...
Electron microprobe analyses of olivine and oxide grains from the Five Fingers lava flows in the northern Harrat Rahat volcanic field, Kingdom of Saudi Arabia Electron microprobe analyses of olivine and oxide grains from the Five Fingers lava flows in the northern Harrat Rahat volcanic field, Kingdom of Saudi Arabia
We present new electron microprobe analyses of olivine and oxide grains hosted in three young basaltic lava flows located in northern Harrat Rahat, a distributed volcanic field in central-western Saudi Arabia.These lavas, collectively referred to as the Five Fingers, erupted at ca. 24 ka from three elongate vent complexes that fall along a common lineament. Integrated with existing...
Overflight thermal imagery of the eruption of the north crater of Mount Young, Semisopochnoi Island, Alaska, 2021 Overflight thermal imagery of the eruption of the north crater of Mount Young, Semisopochnoi Island, Alaska, 2021
The Alaska Volcano Observatory conducted overflights of the active north crater of Mount Young on Semisopochonoi Island, Alaska, during its eruption in 2021 to capture the volcanic and hydrothermal activity within the vent during (May 30) and between (June 8) ash emissions. Thermal videos were acquired to see through the ash and steam and observe the features within the active crater...
Gravity data and basin thickness grids for "Geophysical evidence for wedging in the San Gorgonio Pass structural knot, southern San Andreas fault zone, southern California" Gravity data and basin thickness grids for "Geophysical evidence for wedging in the San Gorgonio Pass structural knot, southern San Andreas fault zone, southern California"
This data release contains (1) principal facts of gravity measurements collected by the U.S. Geological Survey in 2000-2004 (usgs_iso.csv) and (2) inputs to a gravity inversion of Cenozoic basin thickness based on those gravity and previous measurements. Gridded data (geotiffs.zip) consist of the input isostatic gravity grid as well as grids of Cenozoic basin thickness and basement...
Simulated floods, sediment entrainment, and debris-flow inundation in the Toutle and Cowlitz River valleys resulting from hypothetical dam breaches of Spirit Lake, Washington Simulated floods, sediment entrainment, and debris-flow inundation in the Toutle and Cowlitz River valleys resulting from hypothetical dam breaches of Spirit Lake, Washington
This data release contains postprocessed model output from a set of numerical simulations of hypothetical outburst floods of Spirit Lake, downstream sediment entrainment, and emergent debris flows, in the Toutle and Cowlitz River valleys in Washington State. The data release provides debris-flow inundation extent, travel times, maximum depths, and model input data (including hypothetical...