Data Releases
The data collected and the techniques used by USGS scientists should conform to or reference national and international standards and protocols if they exist and when they are relevant and appropriate. For datasets of a given type, and if national or international metadata standards exist, the data are indexed with metadata that facilitates access and integration.
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2013 - 2023 Post-Wildfire Debris-Flow Hazard Assessments 2013 - 2023 Post-Wildfire Debris-Flow Hazard Assessments
Wildfire can substantially alter the hydrologic response of watersheds to rainfall, and debris-flow activity is among the most destructive consequences of these events. To assist federal, state, and local agencies in planning for postfire hazards, the U.S. Geological Survey conducts debris-flow hazard assessments for recent wildfires. This collection holds all postfire debris-flow hazard
Landslides Triggered by the 2025 M8.8 Kamchatka Peninsula, Russia Earthquake Landslides Triggered by the 2025 M8.8 Kamchatka Peninsula, Russia Earthquake
We present an inventory of 346 landslides triggered by the July 29, 2025 M8.8 Kamchatka Peninsula, Russia earthquake. Landslides were mapped from 10 meter resolution openly available Sentinel-2 optical images. All landslides were manually identified by comparing pre- (using cloud free images as close to the earthquake date as possible from July 2024 - 2025) and post-earthquake real color...
Data for barrier island resilience and resistance: analysis and metrics for characterizing state Data for barrier island resilience and resistance: analysis and metrics for characterizing state
This data release includes information and metrics for evaluating the geomorphic state of barrier islands and headlands along coastal Louisiana. Specifically, these data are: 1) subaerial land coverage; 2) vegetated area coverage; 3) subaerial volume to area ratio from publicly available light detection and ranging (lidar) elevation data; 4) inundation extent (i.e., maps) for high tide...
Permeameter test results on open-graded friction course pavement on Interstate 95 in Needham, Massachusetts, 2018-2025 Permeameter test results on open-graded friction course pavement on Interstate 95 in Needham, Massachusetts, 2018-2025
Open-graded friction course (OGFC) pavement is a layer of porous asphalt spread over the surface of impervious dense-graded hot-mix asphalt that is traditionally used as the wearing surface in Massachusetts. Benefits of OGFC pavement include noise reduction, less vehicular spray, hydroplaning, and surface reflectivity, and often provides measurable improvements in concentrations of...
Data supporting an integrated approach to decoding the paleoenvironmental and diagenetic signatures of ancient phosphorites Data supporting an integrated approach to decoding the paleoenvironmental and diagenetic signatures of ancient phosphorites
Phosphorites are significant geological deposits that serve as key archives of past marine productivity, biogeochemical cycling, and sedimentary processes, as well as critical reservoirs of phosphorus, an essential element for global agriculture. Herein we investigate Late Cretaceous phosphorite deposition in Israel, which occurred in an extensive phosphorite belt spanning from Turkey to...
Geochemical Data for Mercury and Other Constituents in Shallow Sediment and Porewater from Clear Lake, Lake County, California Geochemical Data for Mercury and Other Constituents in Shallow Sediment and Porewater from Clear Lake, Lake County, California
Clear Lake, located in Lake County, California, is impacted by mercury contamination associated with the historic Sulfur Bank mercury mine, which is adjacent to the lake’s eastern shore / Oaks Arm region. As part of a larger study designed to better understand the biogeochemical cycling of mercury in Clear Lake, shallow sediment (top 0-2 cm or 0-4 cm) was sampled from the three major...