smi:franceseisme.fr/origin/504207smi:franceseisme.fr/magnitude/1290539quarry blastQuarry blast of magnitude 1.6, near Saint-Brieuc2022-01-28T11:32:39.825751Z0.605050598889.9999976248.336673743.90601021889.99999762-3.2583067425.28490972489.999997620.00.0operator assignedLOCSAThaslach_taup-2.4.5hypocenterpreliminarymanualRENASSremi.dretzen99770.4358172763114.02960970.43967020511.0113985540.63602310421.5848521310.1614726984MLvsmi:franceseisme.fr/origin/504207trimmed mean7confirmedRENASSremi.dretzen