| Date: | 2021-07-22 |
| Time: | 0953 |
| Geyser: | Grotto Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 25m |
| Standardized Duration: | 25m |
| Time Entered: | 2021-08-03 07:26:44 |
| Time Uploaded: | 2021-08-03 07:26:45 |
| Entrant: | BrianR |
| Observer: | BrianR and many gazers |
| Submitted to: | GeyserTimes for iOS |
| Comments: | First heard water boiling: 7:01 Visible water/boiling: 7:01 7:03 7:16 7:28-7:29 7:32 7:34-7:35 7:48-7:58 8:00-8:06 8:08-8:13 8:24 8:32-8:40 8:54-8:58 9:01 9:07 9:11 9:13-9:19 9:50-9:53 Pressure Pool up: 7:28-7:29 8:03-8:05 8:33-8:36 9:13-9:17 9:50-9:53 The last three Grotto Fountain eruptions I have observed after a Grotto marathon have occurred during the fifth pressure pool up. Note that there was no visible water between fourth and fifth pressure pool up. |