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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts U.S. Geological Survey, ROCKY MOUNTAIN REGION William L Yeck GS ScienceBase U.S. Geological Survey Dara E. Goldberg More... Categories Data (2) Tag Types Theme (2) Place (1) Tag Schemes Geologic Hazards Science Center (2) Common geographic areas (1) View Results as: JSON ATOM CSV

High-Precision Seismicity Catalog for the 2022 Hunga Tonga-Hunga Ha-apai Volcanic Eruption This is a catalog of precise relocations of earthquakes surrounding the 2022 Hunga Tonga-Hunga Ha-apai Volcanic Eruption. These were generated using using surface-wave double-difference measurements, and relative magnitudes were computed between events. For details of the methodology used to produce this catalog, and the interpretation of these data, see the Seismological Research Letter publication "High-Precision Characterization of Seismicity from the 2022 Hunga Tonga-Hunga Ha-apai Volcanic Eruption". Locations use the WGS 1984 Datum. One comma-separated table is provided in this data release, relocations.csv, which is a summary of the relocation magnitude analysis. It includes 18 columns: Column 1 (time):... Categories: Data, Data Release - In Progress; Tags: GHSC, Golden, Tonga, USGS, earthquake, All tags... earthquake hazards, relocation, seismic, Fewer tags Supporting Data, Catalog, and Models for Characterizing 2021 Petrolia, CA, Earthquake Sequence This data release pertains to the December 20, 2021, Petrolia, California, United States earthquake sequence. Data are provided in the input formats required for the Wavelet and simulated Annealing SliP (WASP) finite-fault inversion code (https://github.com/slipinversion/WASP). This includes broadband seismic data, local strong-motion accelerometer data, and the static offsets from Global Navigation Satellite Systems (GNSS) used in the finite fault inversion. Figures describing the output are also included. (Child Item: GNSS Data and Finite Fault Modeling) Also included is a high-resolution earthquake catalog surrounding the region. The catalog was produced using cross-correlations and relative relocations. (Child... Categories: Data, Data Release - In Progress; Tags: California, Earthquake Hazards Program, GHSC, Golden, Petrolia, All tags... USGS, United States, earthquake, finite fault, relocation, Fewer tags