Reports until 00:03, Sunday 15 October 2023
H1 General
oli.patane@LIGO.ORG - posted 00:03, Sunday 15 October 2023 (73470)
Ops EVE Shift End

TITLE: 10/15 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Earthquake
INCOMING OPERATOR: Corey
SHIFT SUMMARY: Second half of my shift had a lot of ground motion and a lockloss. We are now in NOMINAL_LOW_NOISE and just waiting for the camera servos before getting into Observing.
LOG:

23:00UTC Detector Observing and has been Locked for 35.5hours

03:54 Earthquake mode activated due to local ground motion
04:14 Back to CALM
04:14 Earthquake mode activated due to incoming earthquake from Afghanistan

04:25 DIAG_MAIN message: SERVO_BOARDS: IMC-REFL_SERVO_SPLITMON > 8V
04:30-04:38 SERVO_BOARDS: IMC-REFL_SERVO_SPLITMON > 8V message occurring more frequently
04:37-04:38 SRM saturations every few seconds

04:38 Lockloss after 41hours (73466)
04:58 Starting INITIAL_ALIGNMENT

05:36 Back to CALM

05:46 Earthquake mode activated due to local earthquake
05:56 Back to CALM

06:01 Lost lock at CHECK_AS_SHUTTERS

06:53 Reached NOMINAL_LOW_NOISE