| Date: | 1948-06-27 |
| Time: | 0750 |
| Geyser: | Morning |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 121m |
| Standardized Duration: | 2h 1m |
| Time Entered: | 2014-12-12 00:12:40 |
| Time Updated: | 2014-12-25 18:07:08 |
| Time Uploaded: | 2019-05-13 21:43:45 |
| Entrant: | Tara |
| Observer: | |
| Submitted to: | |
| Comments: | Listed in Marler, George D. "Geyser Activity in the Old Faithful Area - 1948." Yellowstone Nature Notes, Vol. 22, No. 6, pp. 61-64. The eruption is listed as lasting from 7:50 to 9:51 a.m., though this duration is more than twice as long as the rest. |