Operators name: Nakagaki, Yasui
Shift time: 16-24(JST)
Summary:

VAC, CRY, TEMP; There was no problem.
The vacuum monitor problem that had been going on since yesterday(klog#25516) has not occurred for this shift time.

16:00 OBSERVATION from previous shift time
18:18 LOCK LOSS (18:17 M3.0 earthquake at Hida region)
          While LOCKING, the IFO guardian spoke an alert message. →Yamamoto-san is handling this matter(klog#25538).
18:33 OBSERVATION (recovered automatically)
24:00 still in OBSERVATION