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 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.