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Data

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Supporting Information for 'Detection of Landslide-Generated Tsunami by Shipborne GNSS Precise Point Positioning' Supporting Information for 'Detection of Landslide-Generated Tsunami by Shipborne GNSS Precise Point Positioning'

This data release contains supporting information for the manuscript: Manaster, A.E., Sheehan, A.F., Goldberg, D. E., Barnhart, K. R., & Roth, E. H. (2025). Detection of landslide‐generated tsunami by shipborne GNSS precise point positioning. Geophysical Research Letters, 52, e2024GL112472. https://doi.org/10.1029/2024GL112472 Supporting information falls into two categories: 1. Data is...

Preliminary Landslide Hazard Estimate Maps for the 2024 Hurricane Helene Landslide Emergency Response Preliminary Landslide Hazard Estimate Maps for the 2024 Hurricane Helene Landslide Emergency Response

This data release includes relative landslide hazard estimate maps for the southern Appa­lachian Mountains affected by Hurricane Helene (September 26-27, 2024) and the heavy rainfall that preceded it (September 23-26, 2024). The two modeling approaches used were adapted from existing models and were run in early October 2024 using initial precipitation estimates to produce rapid event...

Site Amplification Factors for the Walnut Creek and Concord Regions of the San Francisco Bay, California Site Amplification Factors for the Walnut Creek and Concord Regions of the San Francisco Bay, California

This data release contains rasterized data sets of point values of site amplification for the Walnut Creek and Concord regions of the San Francisco east bay. Hartzell et al. (2024) covers the associated field work and the source-site inversion method used to obtain the site response spectra. Site amplification values are given for the geometric average over four frequency ranges (0.5 to...

Landslide Inventory for Pohnpei, Federated States of Micronesia (FSM) 2003 - 2023 Landslide Inventory for Pohnpei, Federated States of Micronesia (FSM) 2003 - 2023

Landslides hazards pose a serious threat to people and infrastructure in the Federated States of Micronesia (FSM). To develop a comprehensive understanding of the landslides hazards in FSM, the USGS-USAID Landslide Disaster Assistance Team (LDAT) has put together landslide inventories for each state using satellite imagery. Mapping was done using RGB satellite imagery from Maxar, Planet...

Oblique Aerial Photographs from October 13 and 17, 2024, of Landslides and Flooding Caused by Hurricane Helene (ver 1.1, March 2025) Oblique Aerial Photographs from October 13 and 17, 2024, of Landslides and Flooding Caused by Hurricane Helene (ver 1.1, March 2025)

This data release consists of geotagged oblique aerial photographs taken by U.S. Geological Survey (USGS) scientists to support landslide situational awareness following Hurricane Helene under mission assignment from the Federal Emergency Management Agency (FEMA). The data release is accompanied by a photo viewer map where select photos can be viewed interactively. The photographs were...

Microtremor array data on Whidbey Island, Washington Microtremor array data on Whidbey Island, Washington

The U.S. Geological Survey collected a grid of microtremor data points using Smartsolo 3-component seismic sensors from August 7th to August 11th, 2023. These sensors have a five Hz resonance frequency. The grid was deployed over a section of the Utsalady Point fault that runs east-west across the southern portion of the Naval Air Station Whidbey Island, Washington State. For four days...

STATSGO Cloud Optimized GeoTIFFs for the Continental US STATSGO Cloud Optimized GeoTIFFs for the Continental US

This data release reformats data fields from the STATSGO soil characteristics dataset (Schwarz and Alexander, 1995) as cloud-optimized GeoTIFFs (COGs). The COG format allows standard software tools to efficiently access the datasets over an internet connection. Please refer to the documentation of the source archive (Schwarz and Alexander, 1995) for additional details on the underlying...

Earthquake-Triggered Ground Failure associated with the M9.2 1964 Great Alaska Earthquake Earthquake-Triggered Ground Failure associated with the M9.2 1964 Great Alaska Earthquake

The M9.2 1964 Great Alaska earthquake is the second-largest earthquake in the historical record, the largest in North America, and involved nearly five minutes of shaking (Brocher and others, 2014). The earthquake initiated in the Alaska-Aleutian subduction zone, about 12 km below northern Prince William Sound. The rupture length was about 700 km and generated deep and shallow...

Morphometric Landslide Susceptibility Results of the Northwestern United States and Southwestern Canada Derived from Elevation Data Morphometric Landslide Susceptibility Results of the Northwestern United States and Southwestern Canada Derived from Elevation Data

Landslide susceptibility models show the potential of landslide occurrence at a location. These models are pivotal for reducing losses associated with landslides (Godt and others, 2022). In this data release, we include susceptibility results from the associated manuscript by Woodard and Mirus (2025). This manuscript shows how a morphometric model can create consistent and effective...

Preliminary Landslide Inventory for Landslides Triggered by Hurricane Helene (September 2024) Preliminary Landslide Inventory for Landslides Triggered by Hurricane Helene (September 2024)

We present a preliminary point inventory of landslides triggered by Hurricane Helene, which impacted southern Appalachia between September 25 and 27, 2024. This inventory is a result of a rapid response mapping effort led by the U.S. Geological Survey’s Landslide Assessments, Situational Awareness, and Event Response Research (LASER) project. LASER collaborated with state surveys and...

Rock mass quality and structural geology observations in Prince William Sound, Alaska (2023) Rock mass quality and structural geology observations in Prince William Sound, Alaska (2023)

Multiple subaerial landslides adjacent to Prince William Sound, Alaska (for example, Dai and others, 2020; Higman and others, 2023; Schaefer and others, 2024) pose a threat to the public because of their potential to generate ocean waves (Barnhart and others, 2021, 2022; Dai and others, 2020) that could affect towns and marine activities. One bedrock landslide on the west side of Barry...

Supporting Data and Models for An unexplained tsunami: Was there megathrust slip during the 2020 Mw7.6 Sand Point, Alaska, earthquake? Supporting Data and Models for An unexplained tsunami: Was there megathrust slip during the 2020 Mw7.6 Sand Point, Alaska, earthquake?

This data release contains several input data and inversion output files used to model the October 19, 2020, Mw7.6 Sand Point, Alaska, earthquake and tsunami. The broadband seismic data in this data release are from globally distributed seismometers from networks G (https://doi.org/10.18715/GEOSCOPE.G), GE (https://doi.org/10.14470/TR560404), GR (https://doi.org/10.25928/mbx6-hr74), GS...
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