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Reports until 01:04, Thursday 18 April 2024
H1 SEI
anthony.sanchez@LIGO.ORG - posted 01:04, Thursday 18 April 2024 (77261)
Owl Shift update.

TITLE: 04/18 Owl Shift: 07:00-15:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Aligning
OUTGOING OPERATOR: Oli
CURRENT ENVIRONMENT:
    SEI_ENV state: USEISM_EARTHQUAKE
    Wind: 3mph Gusts, 1mph 5min avg
    Primary useism: 0.97 μm/s
    Secondary useism: 1.28 μm/s
QUICK SUMMARY:

Starting the Shift Oli and I noticed that the IFO was still relocking and needed an initial_alignment.
Since then Initial_alignment had stalled and been restarted. Possibly because the IMC was unlocked. I'm usure if Oli had done that or not.

Once that completed Another earthquake hit but was not announced over verbals.
M 5.3 - 60 km WSW of Pozo Dulce, Mexico 2024-04-18 07:39:45 (UTC)26.546°N 110.267°W10.0 km depth
So I'm just waiting on the earthquake to pass.

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