| Date: | 1988-08-15 |
| Time: | 0000 A |
| Geyser: | Fan and Mortar |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2020-04-26 08:11:35 |
| Time Uploaded: | 2020-04-26 08:11:35 |
| Entrant: | mhreed |
| Observer: | Lynn Stephens |
| Submitted to: | |
| Comments: | No time given. As reported by Jens Day in GOSA Transactions I pg. 148: “For some reason most 1988 eruptions were Mortar dominated although only one was known to be Mortar induced. In the August 15 eruption observed by Lynn Stephens Mortar began well before Fan started.” |