| Date: | 2015-08-20 |
| Time: | 1234 |
| Geyser: | Black Sand Pool |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2015-08-20 21:53:52 |
| Time Uploaded: | 2015-08-20 21:53:53 |
| Entrant: | CrisG |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | thumping every 3-5 minutes. first thumping heard at 1234 quite loudly. |