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 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.