YELLOWSTONE NATIONAL PARK, Wyo. – Geologists at Yellowstone National Park reported the third eruption of the world's largest active geyser in the past six weeks. The National Park Service says a visitor to the park reported seeing a rare Steamboat geyser eruption on Friday.
Park geologists compared the report with seismic activity and water discharge and concluded that the eruption probably started at 6:30 am  The geyser also erupted on March 15 and April 19.
The three eruptions were smaller than the last major eruption that occurred on September 3, 2014.
© 2018 The Associated Press. All rights reserved. This material can not be published, transmitted, rewritten or redistributed.