This was a quick EQ during the OWL shift at 6:16amPST (14:16utc).  H1 rode through it.

USGS link

• Magnitude of EQ (according to Terramon):  4.9
• Location of EQ (according to Terramon):  11km ENE of Petatlan, Mexico
• Starting time of Event:  14:16 UTC (saw small peak over a few minutes on 0.03-0.1 BLRMS)
• Lock Status:  H1 Remained in OBSERVING
• Terramon posted 1.0 um/s.  LHO BLRMS saw 0.25 um/s