smi:franceseisme.fr/origin/736666smi:franceseisme.fr/magnitude/1807420quarry blastQuarry blast of magnitude 1.8, near Saumur2024-04-03T09:16:56.778901Z0.0223571692989.9999976246.974258420.145220841989.99999762-0.25837722420.198647291889.999997620.01481.4403949999999from locationLOCSATiasp91hypocenterpreliminarymanualOSUNAclement.perrin131311110.261452204291.915949820.31218361851.3522707220.89469343421.7685623980.1303088295MLvsmi:franceseisme.fr/origin/736666trimmed mean6confirmedOSUNAclement.perrin