smi:franceseisme.fr/origin/707454smi:franceseisme.fr/magnitude/1720457quarry blastQuarry blast of magnitude 1.9, near Niort2023-11-21T10:46:33.582424Z0.260943796889.9999976246.533981321.09612413189.99999762-0.35864505171.59197593189.999997620.00.0operator assignedLOCSAThaslach_taup-2.4.5hypocenterpreliminarymanualRENASSremi.dretzen87440.4591845362264.11399050.63354140521.1720186471.1268249751.8870926610.1078156557MLvsmi:franceseisme.fr/origin/707454trimmed mean4confirmedRENASSremi.dretzen