| Date: | 2019-08-12 |
| Time: | 2223 E |
| Geyser: | Steamboat |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | |
| Time Entered: | 2019-08-12 22:38:06 |
| Time Updated: | 2019-08-12 22:39:20 |
| Time Uploaded: | 2019-08-14 10:08:47 |
| Entrant: | EmilyW |
| Observer: | |
| Submitted to: | |
| Comments: | YNM, see attachment |
| https://imgur.com/a/IMNn5Cp | Early Seismograph trace from YNM for the 2223 eruption of steamboat on August 12th |