smi:franceseisme.fr/origin/933985smi:franceseisme.fr/magnitude/2369792quarry blastQuarry blast of magnitude 1.7, near Guérande2026-06-02T08:21:56.853028Z0.0651650717589.9999976247.518978120.381335239289.99999762-2.3123195170.121076723989.999997620.00.0operator assignedLOCSAThaslach_taup-2.4.5hypocenterpreliminarymanualOSUNAmickael.bonnin191713110.2936245375103.28250120.10143488651.3471425770.97591817381.6794330450.110054403MLvsmi:franceseisme.fr/origin/933985trimmed mean8confirmedOSUNAmickael.bonnin