smi:franceseisme.fr/origin/857106smi:franceseisme.fr/magnitude/2121508quarry blastQuarry blast of magnitude 1.7, near Guérande2025-07-23T09:00:37.777978Z0.0369068875489.9999976247.515048980.2220110989.99999762-2.297158480.20268546289.999997620.00.0from locationLOCSAThaslach_taup-2.4.5hypocenterpreliminarymanualOSUNAclement.perrin202010100.3389400382137.53135680.10227540141.3453888891.0518825051.6667703560.05570267451MLvsmi:franceseisme.fr/origin/857106trimmed mean7confirmedOSUNAclement.perrin