| Date: | 2021-04-21 |
| Time: | 1343 ie |
| Geyser: | Spa |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | >10m |
| Standardized Duration: | >10m |
| Time Entered: | 2021-04-21 13:51:15 |
| Time Updated: | 2021-04-21 14:26:57 |
| Time Uploaded: | 2021-04-21 14:26:57 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | |
| Comments: | Duration >10m, with 1350 the first time where I could see water above the treetops. Grotto and Rocket were somewhat steamy throughout this eruption but stopped as this eruption began waning. |