APPLIED GEOPHYSICS     2025 22 (4):  1220-1232    ISSN: 1672-7975  CN: 11-5212/O Microseismic Event Recognition and Transfer Learning Based on Convolutional Neural Network and Attention Mechanisms Jin Shu, Zhang Shi-chao, Gao Ya, Yu Ben-li, Zhen Sheng-lai* 1. Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601, China 2. Key Laboratory of Opto-Electronic Information Acquisition and Manipulation, Ministry of Education, Anhui University, Hefei, 230601, China 3. School of Public Safety and Emergency Management, Anhui University of Science and Technology, Huainan, 232000, China 4. IDETECK CO., LTD., Chuangxin Avenue, Hefei 230601, Anhui, China Received: 2023-08-13  Revised: 2023-11-21  Online: null Supporting info