Sept 18 (Reuters) - St Barbara Ltd SBM.AX :
* ESTIMATED THAT ABOUT 8,000 OUNCES SLATED FOR PRODUCTION IN Q1 FY21 WILL NOW BE DELIVERED AS PART OF Q2 FY21 PRODUCTION
* FY PRODUCTION GUIDANCE FOR FY21 FOR GWALIA MAINTAINED AT BETWEEN 175,000 TO 190,000 OUNCES
* FALL OF GROUND AT GWALIA MINE IN WESTERN AUSTRALIA TEMPORARILY INTERRUPTED PRODUCTION
* INCIDENT AT GWALIA ON SEPT 8 AFTER LARGE FIRING TRIGGERED SEISMIC EVENT; NO PERSONNEL WERE UNDERGROUND