smi:franceseisme.fr/origin/621878smi:franceseisme.fr/magnitude/1476300quarry blastQuarry blast of magnitude 2.1, near Guérande2022-11-08T10:43:41.011061Z0.0480982113789.9999976247.509494780.297557174489.99999762-2.2746443750.303568503789.999997620.00.0operator assignedLOCSAThaslach_taup-2.4.5hypocenterpreliminarymanualOSUNAclement.perrin212112120.2979042449103.9271240.10536326471.4993009570.98609369992.0825699090.1187260941MLvsmi:franceseisme.fr/origin/621878trimmed mean7confirmedOSUNAclement.perrin