| Date: | 2025-07-31 |
| Time: | 1211 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Short |
| Duration: | 1m 41s |
| Standardized Duration: | 1m 41s |
| Time Entered: | 2025-07-31 12:11:52 |
| Time Updated: | 2025-07-31 12:20:10 |
| Time Uploaded: | 2025-07-31 12:20:10 |
| Entrant: | novakg |
| Observer: | Gary Novak |
| Submitted to: | Geysertimes.org |
| Comments: | GT: 1147 NPS: 1143 A short but powerful eruption. Preplay: 1155:02 D: 6s 1155:25 D: 7s 1156:51 D: 4s 1200:59 D: 10s 1203:11 D: 1s 1203:57 D: 7s 1204:56 D: 2s 1205:08 D: 9s 1206:14 D: 10s 1208:30 D: 10s 1209:43 D: 2s There was some "spitting" at 1203 that could be considered preplay. |