betsy.weaver@LIGO.ORG - posted 12:25, Monday 12 May 2014 - last comment - 12:36, Monday 12 May 2014(11821)
Friday night Earthquake
Arnaud reports that at ~midnight last Friday night, all of the ISI tripped due to an earthquake. There was a magnitude 6 EQ in Mexico May 10 07:36 UTC which correlates to the ISI's tripping at 07:50 UTC.
cf alog for ISI plots