Performing. . .
| Geyser: | Echinus |
| Date/Time: | 1997-08-28 @ 1200 |
| Entrant: | research-mab |
| Observer: | 1997 Norris log |
| Time Entered: | 2023-11-12 08:47:21 |
| Time Uploaded: | 2023-11-12 08:47:21 |
| Submitted to: | Geysertimes.org |
| Note: | 8-28/1997 - no specific time needed - Tim Thompson called with data from portacorder on Echinus. Based on 133 eruptions from 6/28- 8/20 -- mean = 50.3 min interval --median= 50 min int --90% of eruption intervals fell between 44 and 56 minutes --Minimum interval 38 min --Maximum interval 62 min |