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 hertz 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, a sub-grid of about 75 sensors were deployed to record passive seismic data for a few hours to overnight and then removed. Each 75 sensor sub-grid was re-deployed near or adjacent to the previous grid (see map). In total, data from 572 microtremor stations were collected with 3 meters spacing in the north-south direction and 4 meters spacing in the east-west direction. A separate transect of six Smartsolo microtremor stations was acquired along N Saratoga Street, with about 400 m spacing between sensors. This transect was collected across fault strands of the Devil’s Mountain fault. Files are in Seismic Analysis Code (SAC) format.
Microtremor data can be accessed at https://ds.iris.edu/mda/24-028/
Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[
"010:12"
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|
| contactPoint |
{
"fn": "William J Stephenson",
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|
| description | 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 hertz 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, a sub-grid of about 75 sensors were deployed to record passive seismic data for a few hours to overnight and then removed. Each 75 sensor sub-grid was re-deployed near or adjacent to the previous grid (see map). In total, data from 572 microtremor stations were collected with 3 meters spacing in the north-south direction and 4 meters spacing in the east-west direction. A separate transect of six Smartsolo microtremor stations was acquired along N Saratoga Street, with about 400 m spacing between sensors. This transect was collected across fault strands of the Devil’s Mountain fault. Files are in Seismic Analysis Code (SAC) format. Microtremor data can be accessed at https://ds.iris.edu/mda/24-028/ Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. |
| distribution |
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| identifier | http://datainventory.doi.gov/id/dataset/USGS_6750b004d34ed8d385853403 |
| keyword |
[
"Devils Mountain Fault Zone",
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| modified | 2025-03-10T00:00:00Z |
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| spatial | -122.73170, 48.31357, -122.65343, 48.37176 |
| theme |
[
"geospatial"
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|
| title | Microtremor array data on Whidbey Island, Washington |
