| Date: | 2021-09-21 |
| Time: | 1407 |
| Geyser: | Fan and Mortar Event Cycle |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2021-09-21 15:02:29 |
| Time Uploaded: | 2021-09-21 15:02:30 |
| Entrant: | Brian |
| Observer: | |
| Submitted to: | GeyserTimes for iOS |
| Comments: | R 1407, 1414A MV loud concussive sound with no water seen, 1418 small MVS, A 1419, G 1419, good water levels, FP steam 1427, water variable, FP 1429, water poor, low UM surges at 1439, 1443, 1446, 1447, but never built from there. No eruption. |