The tsunami warning were in effect for two hours and then the advisories were withdrawn. There were no early reports of fatalities or serious damage.
The U.S. Geological Survey said the quake, initially reported as a magnitude 7.8, was centered 125 miles (202 km) northeast of Barra Patuca in Honduras and 191 miles (307 km) southwest of George Town in the Cayman Islands.
The tremor occurred in the sea between the island of Cuba and the coasts of Honduras and Belize, according to maps published by USGS.
In May 2009, a magnitude 7.3 quake occurred along the Swan Island transform fault approximately 300 km west of the January 9, 2018 event.