| Date: | 1997-07-28 |
| Time: | 1003 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~15m |
| Standardized Duration: | ~15m |
| Time Entered: | 2020-08-29 10:26:13 |
| Time Uploaded: | 2020-08-29 10:26:18 |
| Entrant: | JarnoO |
| Observer: | OFVCL-EV |
| Submitted to: | Geysertimes.org |
| Comments: | all vents are active; Mastiff 10 ft |