smi:franceseisme.fr/origin/845304smi:franceseisme.fr/magnitude/2084136quarry blastQuarry blast of magnitude 1.6, near of Saint-Brieuc2025-06-04T10:01:57.257412Z0.0315209213489.9999976248.380764010.259983412689.99999762-2.4089725020.254627315189.999997620.00.0operator assignedLOCSAThaslach_taup-2.4.5hypocenterpreliminarymanualOSUNAmickael.bonnin181711100.3562718162101.69967650.12411880491.2488499880.82286989691.6394360160.16712497MLvsmi:franceseisme.fr/origin/845304trimmed mean5confirmedOSUNAmickael.bonnin