
The Seismology Bureau of the Meteorological Department reported that the quake happened south of Koh Yao 30 minutes after midnight or 0.30 am Thursday. Its epicenter was about eight kilometers under the earth’s surface.
Koh Yao is part of Phang Nga but it is closer to Phuket. On Wednesday, two quakes with magnitude of 4.6 and 3.2 happened near the island.