TITLE: 04/20 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC STATE of H1: Observing at 63Mpc INCOMING OPERATOR: Travis SHIFT SUMMARY: Observing entire shift. Nearly lost lock upon arrival of 5.4 magnitude earthquake in Tonga. One very large random glitch that saturated the OMC DCPD. LOG: ~23:44 UTC 5.4 mag earthquake in Tonga arrived 03:56 UTC LLO notified us that they are not recording data 04:41 UTC Huge glitch with OMC DCPD saturation 04:47 UTC LLO back