| Date: | 2019-09-11 |
| Time: | 2140 |
| Geyser: | Steamboat |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 25min |
| Standardized Duration: | 25m |
| Time Entered: | 2019-09-11 22:03:04 |
| Time Updated: | 2019-09-12 11:42:05 |
| Time Uploaded: | 2019-09-12 20:50:26 |
| Entrant: | William |
| Observer: | Casey, Aaron, Doug, Bill, the Birthday Girl- Carol, and I. |
| Submitted to: | GeyserTimes for Android |
| Comments: | Observed a 20' concerted minor around 20:30 with wide output, otherwise no significant activity prior to eruption. At 22:05 transition to steam. 22:14 back to water. 22:22 to steam. 22:27 to water. 22:35 to steam. Began to pause and resart after 2 hours and 40 minutes! Mixed water out of both vents would give way to a heavy steam takeover in SV turning NV off. After 10-15 seconds one or both vents would take off again often to 100-150ft. Observed 3 SV solo eruptions where it started to 40-50ft but NV did not play. pauses 23:18, 23:20, 23:21, 23:25, 23:26, 23:29, 23:30, 23:35, 23:36, 23:38, 23:42, 23:45, 23:46, 00:14 solo SV and then NV restart. 00:17 pause and failed resart before resart at 00:17, 00:18, 00;22, 00:24, 00:26, 00:33 pause and failed resart before resart at 00:33, 00:34, 00:36 pause and failed resart before resart at 00:36, 00:40 South solo for 15-20sec., 00:42 pause and failed resart before resart at 00:42, 00:44, 00:45, 00:46, 00:48, 00:49, 00:50. 01:00. |
| bbev | Time Entered:2019-09-12 11:41:11 Time Uploaded:2019-09-12 11:41:13 Submitted to:GeyserTimes for Android |
| cb | Time Entered:2019-09-12 12:56:38 Time Uploaded:2019-09-12 12:56:43 Submitted to:GeyserTimes for Android |
| Yates | Time Entered:2019-09-13 12:36:02 Time Uploaded:2019-09-13 12:36:03 Submitted to:GeyserTimes for iOS |
| https://www.flickr.com/photos/jsjgeology/48721504181 | Norris Museum seismogram showing the entire signature of Steamboat Geyser's 9:40 PM-onward major eruption on 11 September 2019. | |
| https://www.flickr.com/photos/jsjgeology/48721680917 | Norris Junction seismogram showing the entire signature of Steamboat Geyser's 9:40 PM-onward major eruption on 11 September 2019. | |
| https://www.flickr.com/photos/jsjgeology/48721504221 | Tantalus Creek discharge graph showing Steamboat Geyser's 9:40 PM-onward major eruption on 11 September 2019. | Entrant: JSJ Time Entered:2019-09-12 13:21:18 Time Updated:2019-09-12 13:22:18 Time Uploaded:2019-09-12 13:21:47 Submitted to: |
Time Entered:2019-09-12 12:19:43
Time Updated:2019-09-12 12:33:22
Time Uploaded:2019-09-12 12:33:25
Submitted to:GeyserTimes for Android
Time Entered:2019-09-13 09:57:17
Time Updated:2019-09-13 11:07:07
Time Uploaded:2019-09-13 11:07:08
Submitted to:GeyserTimes for iOS