Summary:
A slight decrease (~0.5%) in the RxPD output of Pcal-X was observed after the strong earthquake on October 10. No change was found on Pcal-Y.

Details:

• On October 10, following the heavy earthquake originating from the Philippines (klog35306), the RxPD output of Pcal-X decreased by approximately 0.5%.
• The Pcal-Y RxPD output remained stable with no noticeable change.
• This suggests a possible shift in the Pcal-X beam position on the ETMX test mass.

Plan:
We will check and adjust the beam positions at ETMX during the routine Pcal Tcam session tomorrow.