| Date: | 2015-08-09 |
| Time: | 1222 |
| Geyser: | Grand |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 10min14sec |
| Standardized Duration: | 10m 14s |
| Grand Code: | D0/G2C |
| Time Entered: | 2015-08-09 12:23:37 |
| Time Updated: | 2015-08-09 15:38:46 |
| Time Uploaded: | 2019-05-13 21:47:52 |
| Entrant: | JimS |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | 36min. Turban interval. Grand had a series of 4 attempts over a period of about 2 minutes, dropping after each attempt. Each attempt involved a big boop. Finally as we nearly despaired it erupted. |