old faithful holsters Archives - TravelsFinders.Com ® http://travelsfinders.com/tag/old-faithful-holsters Tue, 28 Mar 2017 15:16:56 +0000 en-US hourly 1 https://wordpress.org/?v=6.4.4 How Faithful Is Old Faithful? http://travelsfinders.com/faithful-old-faithful.html http://travelsfinders.com/faithful-old-faithful.html#respond Mon, 27 Jun 2016 21:20:00 +0000 http://travelsfinders.com/?p=206956 Old Faithful has never in recorded time erupted every hour on the hour, as you may have heard. Here are some figures given for average expected intervals between eruptions: 60 to 65 minutes, 1870 (Langford’s journal); 65.5 minutes, 1964 (Haynes Guide); 78 minutes, 1990 (Bryan’s Geysers ofYellowstone); and 92 minutes, 2008 (visitor center records). These figures do not show the range of intervals, which has always been on the order of 0.5 to 1.75 hours. Seismic activity can affect Old Faithful. Following the strong earthquake at Borah Peak, Idaho, in 1983, the average interval between eruptions became greater, at least

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