| Date: | 2018-09-15 |
| Time: | 1449 |
| Geyser: | Old Tardy |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 7m55s |
| Standardized Duration: | 7m 55s |
| Time Entered: | 2018-09-15 15:01:26 |
| Time Uploaded: | 2019-05-13 21:47:58 |
| Entrant: | Micah Kipple |
| Observer: | micah |
| Submitted to: | GeyserTimes for Android |
| Comments: | Big eruption with 20'+ bursts angled so some hit the north boardwalk. Sporadically threw rocks pea to marble sized. Slightly milky blue water. |