smi:franceseisme.fr/origin/956719smi:franceseisme.fr/magnitude/2438196quarry blastQuarry blast of magnitude 2.1, near Saint-Brieuc2026-09-10T10:16:14.917241Z0.0955283413589.9999976248.567184450.608859831389.99999762-2.4109771250.579168239989.999997620.00.0operator assignedLOCSAThaslach_taup-2.4.5hypocenterpreliminarymanualOSUNAmickael.bonnin1181080.1965250493114.64870830.089475125071.0835975410.84491938352.0512056430.308758363MLvsmi:franceseisme.fr/origin/956719trimmed mean6confirmedOSUNAmickael.bonnin