| Note: | 06/22/1980 Little Whirligig erupted for 47 minutes bursting 25 times. Initial bursts occurred every 1 ½ minutes. After 10 bursts the interval increased to 2 min. By the 20th burst intervals were as long as 3m45seconds. The last of Little Wirligig’s eruption was the grand finale. Bursts occurred frequently until it was going continuously. Finally Constant erupted using the last of Little Wirligig’s hot water. At the end of the eruption Big Wirligig re-filled, but hasn’t been seen in eruption yet this year. |
