Shift Summary: Run A2L check script. Pitch is below reference, Yaw a bit elevated. Received GRB. Both sites in observing. Spoke with LLO. In one hour hold until 12:12 (05:12).

FE computer H1IOPSUSAUXB123 crashed. Spoke to Dave B. – Reset FE computer to recover.  Back into observing.

Received an EQ warning and shortly lost lock. USGS showing a Mag6.5 in Alaska. Both Primary and Secondary microseism are off the top of the charts. Tripped the WD on most SUS, all, ISIs, several HEIPs, and all four IMs. Have the IFO in DOWN until things settle down a bit. Have been resetting tripped WD as necessary. A dozen after socks in Alaska have been recorded. Primary and Secondary microseism are still above 1.0um/s.

As the seismic was ringing down tried relocking. After relocking ALS Green, hit with another Mag6.3 earthquake near Skagway Alaska. Seismic Primary and Secondary are off the top of the charts. Put the IFO back into DOWM and started resetting the SUS and SEI watchdogs.