unclear for now which vessel hit the platform and for what reason.
https://content.govdelivery.com/accounts/USDHSCG/bulletins/1f5c516
apparently the culprit was M/V Sun Fighter: https://www.incidentnews.noaa.gov/incident/9733
more vessel details: https://static1.squarespace.com/static/56e712410442625b3c55d4ba/t/5a7be2efec212df82e6c9eeb/1518068476415/Sun+Fighter+Spec+Sheet_R.pdf