Operators name: N.Sato, N.Tanaka

Shift time:16-24 (JST)
Summary:
Check Items:
VAC,CRY,TEMP There was no problem.


16:00 OBSERVING

17:34 Lock loss.(corresponding earthquake was Tonga region ;about 3 times.)
21:08 OBSERVING(automatically recovered.)

21:14 Lock loss.(corresponding earthquake was Chiba region;M4.0）
21:24 OBSERVING (automatically recovered.)
21:25 Lock loss.(corresponding earthquake was Chiba region;M4.9）
21:49 OBSERVING(automatically recovered.)

24:00 OBSERVING