| Date: | 2018-10-31 |
| Time: | 0822 E |
| Geyser: | Steamboat |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | |
| Time Entered: | 2018-10-31 08:41:36 |
| Time Updated: | 2018-10-31 08:45:20 |
| Time Uploaded: | 2018-10-31 14:30:50 |
| Entrant: | EmilyW |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | YNM seismograph, see attachment. |
| https://imgur.com/a/2GhlBrH | YNM seismograph trace for early part of eruption | Entrant: EmilyW Time Entered:2018-10-31 08:44:23 Time Uploaded:2018-10-31 08:44:23 Submitted to:Geysertimes.org |