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Old faithful still erupts regularly, but at some point conditions in geology will change and it will cease activity. Wikipedia says that ~1300 geysers have erupted in Yellowstone, but only 1/3 of those are active in a given year. Do geysers typically go dormant for long periods of time? How long do they typically stay active before going extinct?

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  • $\begingroup$ This video on how geysers work will help you get started. youtube.com/watch?v=X4zA_YPCyHs You will quickly see how many factors like rainfall and aquifer charge can affect activity. $\endgroup$ – John May 15 '17 at 3:53
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    $\begingroup$ I looked at some papers, but couldn't find any about long term geyser data (i.e. over time spans of decades plus). However, in one paper I saw a reference that this guy has raw time series data for geysers in Yellowstone (you are supposed to contact him at his USGS e-mail to get more info). That's my detective lead if you want to investigate further. $\endgroup$ – kingledion May 15 '17 at 12:06

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