Note 20582

Geyser:Echinus
Date/Time:1987-08-01 @ 1800
Entrant:research-mab
Observer:1987 Annual Report
Time Entered:2021-11-27 20:39:59
Time Uploaded:2021-11-27 20:39:59
Submitted to:
Note:8/1/1987 “By 8/1 Echinus appeared to have returned to an eruptive pattern similar to that of 6/22 through 7/1. Through the remainder of the summer, Echinus was never observed to have more than one super eruption during daylight hours. At the time of this writing (9/16) Echinus was still having a single lengthy interval on most days, as in the 48 minute eruption of 9/14/87. Intervals through August and early September ranged from 46 to 70 minutes. The average of 58 intervals from 8/1 through 9/14 was approximately 57.7 minutes, the average duration of eruption 9¾ minutes.” Peter Allen 1987 Annual rept – no specific eruption times noted - see also Note 7-7

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