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Response to Comment on "How will induced seismicity in Oklahoma respond to decreased saltwater injection rates?"
Cornelius Langenbruch1, Mark D Zoback1
1Department of Geophysics, Stanford University, Stanford, CA 94305, USA.
Abstract:
Goebel et al. question our forecasted response of induced seismicity to reduction of saltwater injection rates in north-central Oklahoma and raise the concern that "the probability of future damaging earthquakes may be underestimated." We compare our prediction to earthquake data recorded in the 8 months after publication. Observed seismicity rates and magnitudes agree with the forecast of our model. Our use of a probabilistic model accounts for uncertainties and observed M ≥ 4.5 to date confirm the conservative nature of our prediction. The "realistic parameter range" suggested by Goebel et al. is based on a misunderstanding of our statistical model and disagrees with the long-term decay of seismicity in the region.
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