| Date: | 2015-08-14 |
| Time: | 1314 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2015-08-18 19:49:51 |
| Time Uploaded: | 2016-08-05 12:31:44 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | Steaming/grumbling at 1306. Splashes at 1309, 1310, and 1312. Central Vents on at 1313. |
| https://www.flickr.com/photos/jsjgeology/21145226344 | Photo of Grotto Geyser's 1:14 PM-onward eruption on 14 August 2015. | Entrant: JSJ Time Entered:2017-05-04 14:21:31 Time Uploaded:2017-05-04 14:21:31 Submitted to:Geysertimes.org |