aLIGO LHO Logbook

LHO General

corey.gray@LIGO.ORG - posted 00:30, Friday 28 July 2017 - last comment - 00:38, Friday 28 July 2017(37842)

Transition To OWL

TITLE: 07/28 Owl Shift: 07:00-15:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Observing at 54Mpc
OUTGOING OPERATOR: Ed
CURRENT ENVIRONMENT:
    Wind: 7mph Gusts, 5mph 5min avg
    Primary useism: 0.01 μm/s
    Secondary useism: 0.05 μm/s

(4) EQs seen in the last 24hrs, but now the winds have just died down and useism is still low.
QUICK SUMMARY:

Current lock is almost 5hrs long.

I walked toward the Control Room to the howls of coyotes just before midnight; they didn't return my howls.

Comments related to this report

corey.gray@LIGO.ORG - 00:38, Friday 28 July 2017 (37843)SEI

Link

Just performed an OSB walkthrough, nothing to report.

Seismon-5-Event:

Reports an EARTHQUAKE#1 5.0 EQ with UNKNOWN location (orange level) is incoming in under 8min (Terramon & USGS report it coming from Vanuatu).
After writing the above, it updated with a 4.9 EQ w/ UNKNOWN location (red level) is incoming (USGS reports it from Japan).