The geyser erupted more than 40 feet in the air as I moved the truck into position for the photo.
The bubbles before the blast but no danger because it is a cold (CO2) geyser.
We camped here waiting for the geyser to erupt and it did at 11:48 PM. Very cool to watch by the lights of the truck but made for poor photography.
Friendly Odonata in these parts.