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To improve the detection of microearthquakes down to very small magnitude levels, we apply the empirical Matched Field Processing (MFP) method to 14.5 months of continuous borehole seismic data from the USGS seismic network at Decatur, Illinois and identify 95% more events than were detected in the original catalog. Improved microseismic event detection is one component of a new Microseismic Toolkit...
Induced seismicity is inherently associated with underground fluid injections, including during geologic carbon sequestration. If fluids are injected in proximity to a pre-existing fault or fracture system, the resulting elevated pressures can trigger dynamic earthquake slip, which could both damage surface structures and create new migration pathways.The goal of this research is to develop a fundamentally...
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