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Data Release for 'The Susceptibility of Oklahoma’s Basement to Seismic Reactivation' NGEO 2019

Metadata Updated: October 28, 2023

Recent widespread seismicity in Oklahoma is attributed to the reactivation of pre existing, critically-stressed, and seismically unstable faults due to decades of wastewater injection. However, the structure and properties of the reactivated faults remain concealed by the sedimentary cover. Here, we explore the major ingredients needed to induce earthquakes in Oklahoma by characterizing basement faults in the field, in seismic surveys and via rock mechanics experiments. Outcrop and satellite mapping reveal widespread fracture/fault systems with trends that display a marked similarity to the trends of recent earthquake lineaments. Our 3D seismic analyses show steeply-dipping basement-rooted faults that penetrate the overlying sedimentary sequences, representing pathways for wastewater migration. Experimental stability analysis indicates that Oklahoma’s basement rocks become seismically unstable at conditions relevant to the dominant hypocentral depths of the recent earthquakes. These analyses demonstrate that the geometry, structure and mechanical stability of Oklahoma’s basement make it critically susceptible to seismic reactivation.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date June 1, 2023
Metadata Updated Date October 28, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date October 28, 2023
Publisher U.S. Geological Survey
Identifier USGS:5d41e0ebe4b01d82ce8da75d
Data Last Modified 20200818
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 6f34f185-51ee-4c9a-9693-dd18e435ef99
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -122.17238903045656,37.45516968389637,-122.16968536376955,37.45694117097097
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash e75bced9a6af835079adfaa683acfb05727d2a5dd0a23961a80104c82535ba23
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -122.17238903045656, 37.45516968389637, -122.17238903045656, 37.45694117097097, -122.16968536376955, 37.45694117097097, -122.16968536376955, 37.45516968389637, -122.17238903045656, 37.45516968389637}

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