16:00 Observation from previous shift time 17:49 Lock loss due to Noto earthquake. VIS tripped, so we ran the reset script.(Klog#25452) 18:29 recovery OBSERVING status 22:00 Vacuum monitors X, Xend, and Y dropped and recovered almost simultaneously. It seems similar to the beginning of the observation, and Yamamoto-san checked and said that there is a possibility of network trouble.