Database of horizontal component Fourier amplitude spectra of acceleration ground motions from Pacific Northwest earthquakes
January 7, 2022
This dataset includes quadratic mean Fourier amplitude spectra (FAS) of acceleration ground motions from crustal and intraslab earthquakes in the US Pacific Northwest with magnitudes 3.5-6.8 and hypocentral depths 0-62 km. The dataset consists of 8,028 records from 96 different earthquakes between 1999 and 2020. These data were used to study site response and basin amplification in the Pacific Northwest, as well as understand the different ground motions produced by shallow and deep earthquakes.
Citation Information
| Publication Year | 2022 |
|---|---|
| Title | Database of horizontal component Fourier amplitude spectra of acceleration ground motions from Pacific Northwest earthquakes |
| DOI | 10.5066/P9BUCRF7 |
| Authors | Morgan P Moschetti, Eric M Thompson |
| Product Type | Data Release |
| Record Source | USGS Digital Object Identifier Catalog |
| USGS Organization | Earthquake Hazards Program |
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Earthquake hazards in the U.S. Pacific Northwest (PNW) are increased by the presence of deep sedimentary basins that amplify and prolong ground shaking. To better understand basin and site effects on ground motions, we compile a database of recordings from crustal and intraslab earthquakes. We process 8028 records with magnitudes from 3.5 to 6.8 and hypocentral depths up to 62 km to compute Fourie
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