ryan.crouch@LIGO.ORG - posted 16:31, Wednesday 16 July 2025 (85796)
OPS Wednesday DAY shift summary
TITLE: 07/16 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Earthquake
INCOMING OPERATOR: Oli
SHIFT SUMMARY: We stayed lock for most of the shift, a large earthquake struck soon after losing lock. We're still ringing down as of 23:30UTC.
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 14:39 | FIT | Camilla, IPA members | Yarm | N | Walk/Jog started at 14:00 | 15:22 |
| 16:41 | FAC | Kim | Optics lab | N | Swiftin' | 16:59 |
| 21:05 | VAC | Travis, Gerardo | LVEA | Y | VAC work | 21:20 |
| 21:06 | SAF | LVEA IS LASER HAZARD | LVEA | Y | LVEA IS LASER HAZARD | 07:06 |
- 18:21 - 18:25 UTC We dropped Observing to try and improve SQZing as LLO was also out of observing
- 20:03 - 20:08 UTC We dropped Observing as the SQZer lost lock and relocked itself
- 20:29 UTC Lockloss from an ETMX glitch
- 20:43 UTC 7.3 EQ from the Aleutians, I hit the big red button alog85799
- Ground motion was so high picket-fence was registering it as a glitch
Images attached to this report
