Well, that would be scary. Archive: https://archive.today/qUIUB From the post: >>On Tuesday, tourists clad in bucket hats and Converse sneakers were traipsing along the boardwalk in Biscuit Basin when a pool of hot water bubbling up from below the surface of the earth began rising up into the air. Some people stopped and started taking videos on their phones as the black cloud rose. Then, rocks started falling from the sky. Onlookers took the advice shouted by Vlada March, who recorded the scene.