Percolating. . .
| Geyser: | Black Sand Pool |
| Date/Time: | 2025-08-10 @ 0921 |
| Entrant: | mtimothy |
| Observer: | |
| Time Entered: | 2025-08-10 09:23:29 |
| Time Updated: | 2025-08-10 09:38:30 |
| Time Uploaded: | 2025-08-10 09:38:31 |
| Submitted to: | Geysertimes.org |
| Note: | Thumping episodes every 3-7 minutes with some shaking the ground, periodic heavily boiling and one surge reached about 3 feet! |