| Comments: | 1429 ie Bottom Vent, 1430 Lower Mortar minor (d=2m30s). "During the time between the end of the Lower Mortar Minor and the start of River Vent, there was NO splashing from Main Vent, not even weak splashing, not even heavy steam." 1446 River on, 1448 Bottom Vent (d=35s), 1449 Gold and Angle on, 1454 Frying Pan on. 1503 Upper Mortar first water, surging progressed with one cone-filling surge prior to two huge surges that initiated the eruption at 1510. The Geyser Gazer Sput Vol. 15, No. 5, p. 17. |