According to the official measurement of the China Earthquake Observatory Network, a 5.5-magnitude earthquake occurred in the Ryukyu Islands at 0:36 Beijing time on February 9 (0:36 local time on February 9), with a depth of 10 kilometers, and the epicenter was located at 26.85 degrees north latitude and 126.55 degrees east longitude.
There are no large and medium-sized cities within 200 kilometers of the epicenter. The average altitude within 5 kilometers of the epicenter is about -1872 meters.
