smi:franceseisme.fr/origin/692877smi:franceseisme.fr/magnitude/1677333quarry blastQuarry blast of magnitude 1.5, near Saumur2023-09-22T08:35:16.810702Z0.0168345110889.9999976246.954818730.141463350589.99999762-0.2968370020.146533131789.999997620.00.0operator assignedLOCSAThaslach_taup-2.4.5hypocenterpreliminarymanualOSUNAclement.perrin87760.2182045291143.32215880.30120804911.3710343840.56481307741.506728980.3270043362MLvsmi:franceseisme.fr/origin/692877trimmed mean4confirmedOSUNAclement.perrin