TITLE: GCN CIRCULAR NUMBER: 30841 SUBJECT: GECAM observations of bursts from SGR J1935+2154 (2021-09-13T01 to 2021-09-15T14) DATE: 21/09/15 14:40:52 GMT FROM: Shuo Xiao at IHEP <xiaoshuo@ihep.ac.cn> C. Y. Li, C. Cai, S. L. Xiong, Y. Huang, W. C. Xue, Z. W. Guo, X. B. Li, J. C. Liu, X. Y. Song, C. W. Wang, P. Wang, S. L. Xie, S. Xiao, Q. B. Yi, Y. Q. Zhang, G. Y. Zhao, X. Y. Zhao, Y. 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 detected a series of bursts very probably from SGR J1935+2154, either by in-flight trigger or by on-ground search of the data, from 2021-09-13T01 to 2021-09-15T14 (UTC). Here is the list of these bursts: Trigger Time (UTC) 2021-09-13T14:12:39.650 2021-09-13T19:51:32.950 2021-09-14T11:10:36.250 2021-09-14T14:15:42.900 2021-09-14T23:21:58.500 2021-09-14T23:26:34.050 2021-09-15T02:35:47.350 2021-09-15T02:39:25.700 Locations of all these bursts are consistent with SGR J1935+2154. Please note that all GECAM results here are preliminary.