A flatfile of ground motion intensity measurements from induced earthquakes in Oklahoma and Kansas
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Abstract
We have produced a uniformly processed database of orientation-independent (RotD50, RotD100) ground motion intensity measurements containing peak horizontal ground motions (accelerations and velocities) and 5-percent-damped pseudospectral accelerations (0.1–10 s) from more than 3,800 M ≥ 3 earthquakes in Oklahoma and Kansas that occurred between January 2009 and December 2016. Ground motion time series were collected from regional, national, and temporary seismic arrays out to 500 km. We relocated the majority of the earthquake hypocenters using a multiple-event relocation algorithm to produce a set of near-uniformly processed hypocentral locations. Ground motion processing followed standard methods, with the primary objective of reducing the effects of noise on the measurements. Regional wave-propagation features and the high seismicity rate required careful selection of signal windows to ensure that we captured the entire ground motion record and that contaminating signals from extraneous earthquakes did not contribute to the database. Processing was carried out with an automated scheme and resulted in a database comprising more than 174,000 records (https://dx.doi.org/10.5066/F73B5X8N). We anticipate that these results will be useful for improved understanding of earthquake ground motions and for seismic hazard applications.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A flatfile of ground motion intensity measurements from induced earthquakes in Oklahoma and Kansas |
| Series title | Earthquake Spectra |
| DOI | 10.1193/101916EQS175DP |
| Volume | 34 |
| Issue | 1 |
| Year Published | 2018 |
| Language | English |
| Publisher | EERI |
| Contributing office(s) | Geologic Hazards Science Center |
| Description | 20 p. |
| First page | 1 |
| Last page | 20 |
| Country | United States |
| State | Kansas, Oklahoma |
| Google Analytic Metrics | Metrics page |