@abovethenormnews: 🟡 Yellowstone June Update: Fresh Hydrothermal Activity At Biscuit Basin 🟡 The July 1 Yellowstone Volcano Observatory update covers activity across June, and Biscuit Basin is the part to watch. USGS reported 118 earthquakes during the month, three small swarms, no significant caldera uplift or subsidence, and Yellowstone remains at NORMAL / GREEN. But on June 13, a small hydrothermal explosion north of Black Diamond Pool threw rocks into the air, sent sediment-rich hot water into the Firehole River, opened new vents, and was followed by a new boiling pool erupting like a geyser later in the month. Biscuit Basin remains closed, and June has added another fresh hydrothermal event to the watch list. #Yellowstone #VolcanoUpdate #BiscuitBasin #USGS #Geology

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Thursday 02 July 2026 15:48:31 GMT