Unsupervised Clustering of Microseismic Events and Focal Mechanism Analysis at the CO 2 Injection Site in Decatur, Illinois

• Published in: Journal of geophysical research. Machine learning and computation Vol. 2; no. 3
• Main Authors: Willis, Rachel M., Yoon, Hongkyu, Silva, Josimar A., Juanes, Ruben, Williams‐Stroud, Sherilyn, Frailey, Scott M.
• Format: Journal Article
• Language: English
• Published: 01.09.2025

Characterization of induced microseismicity at a carbon dioxide () storage site is critical for preserving reservoir integrity and mitigating seismic hazards. We apply a multilevel machine learning (ML) approach that combines the nonnegative matrix factorization and hidden Markov model to extract sp...