TITLE: GCN CIRCULAR NUMBER: 37635 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 749362078/240930172 (GRB 240930A) is not a GRB DATE: 24/09/30 04:58:04 GMT FROM: Cori Fletcher at USRA <cfletcher@usra.edu> C. Fletcher (USRA) reports on behalf of the Fermi Gamma-ray Burst Monitor Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 749362078/240930172 (GRB 240930A; GCN 37631) at 04:07:53.83 UT on 30 September 2024, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to local particles."