smi:franceseisme.fr/origin/955400smi:franceseisme.fr/magnitude/2435011quarry blastQuarry blast of magnitude 1.8, near Montbrison2026-09-03T10:06:17.286043Z0.0251135373789.9999976245.654243470.22941881689.999997624.3143429760.177011133789.999997620.00.0operator assignedLOCSATauvergne-cakehypocenterpreliminarymanualRENASSmarc.grunberg373527270.262981858737.171962740.25789213181.6943607330.96145504711.7748792950.1747142418MLvsmi:franceseisme.fr/origin/955400trimmed mean20RENASSmarc.grunberg