|ORIGIN TIME||08:14:08.4 UTC|
Felt Dinas Mawddwy, Corris, LLanellfyd and Cym-Y-Glo, Gwynedd. The report from Cym-Y-Glo described, “definite but indistinct low frequency audible rumble, could not discern any direction to it. Would have been inaudible over a TV or radio. Could not be felt through bare feet on carpet over concrete slab floor”.