TITLE: GCN CIRCULAR NUMBER: 30797 SUBJECT: GECAM observations of a series of bursts from SGR J1935+2154 DATE: 21/09/10 13:56:58 GMT FROM: Shuo Xiao at IHEP <xiaoshuo@ihep.ac.cn> S. Xiao, S. L. Xiong, C. Cai, Y. Huang, Z. W. Guo, C. Y. Li, X. B. Li, J. C. Liu, X. Y. Song, C. W. Wang, P. Wang, S. L. Xie, W. C. Xue, Q. B. Yi, Y. Q. Zhang, G. Y. Zhao, X. Y. Zhao, Yi Zhao, C. Zheng, W. Chen, Y. Q. Du, D. Y. Guo, J. J. He, J. Liang, F. J. Lu, Q. Luo, X. Ma, W. X. Peng, R. Qiao, L. M. Song, J. Wang, H. Wu, P. Zhang, S. N. Zhang, X. L. Zhang, Z. Zhang, S. J. Zheng (IHEP), report on behalf of GECAM team: GECAM-B has detected a series of bursts very probably from SGR J1935+2154, either by in-flight trigger or by on-ground search of the data. Here is the list of these bursts: Trigger Time (UTC) 2021-09-09T20:58:35.600 2021-09-09T21:07:12.100 2021-09-10T01:04:33.500 2021-09-10T02:07:56.700 2021-09-10T02:08:28.800 2021-09-10T03:22:40.550 2021-09-10T03:24:47.150 2021-09-10T03:42:45.750 2021-09-10T05:05:03.350 2021-09-10T05:35:55.500 Locations of all these bursts are consistent with SGR J1935+2154. Please note that all GECAM results here are preliminary.