Six people remain unaccounted for after Wednesday's deadly 7.3-magnitude earthquake that hit the sea area near Hualien County in Taiwan, and search and rescue work is still underway, local authorities said on Sunday.

Five people remain missing in Taroko park in Hualien, including two Australian tourists, and the sixth is missing near a mining area, according to the local emergency operations center.

The fire department said more than 300 people were evacuated on Sunday.

As of 3 p.m. Sunday, the death toll of the earthquake was 13 and 1,140 people were injured.