The geyser sprang to life once more over a 46-hour period during Sept. 14-16, 1985. Eruptions were much smaller than those of the 1800s, but still contained mud, lasted minutes, and were separated ...

The geyser then entered a period of dormancy that lasted almost 100 years (although there may have been some additional activity in 1901). The geyser sprang to life once more over a 46-hour period ...