smi:franceseisme.fr/origin/611063smi:franceseisme.fr/magnitude/1447578quarry blastQuarry blast of magnitude 1.4, near of Pontchâteau2022-09-20T10:15:18.486295Z0.493433964889.9999976247.493263243.62327239389.99999762-1.8743915563.1069056389.999997620.00.0operator assignedLOCSAThaslach_taup-2.4.5hypocenterpreliminarymanualRENASSremi.dretzen1614980.5647970172132.31404110.28915131091.263934971.0424927471.3529432980.130930465MLvsmi:franceseisme.fr/origin/611063trimmed mean6confirmedRENASSremi.dretzen