An earthquake with a magnitude of 2.2 occurred on the 25th at 5:59:35 a.m. in a region 7 km northeast of Jeungpyeong-gun, Chungcheongbuk-do. According to the Korea Meteorological Administration, the epicenter is located at a latitude of 36.85 degrees north and a longitude of 127.60 degrees east, with a depth of 7 km.
The seismic intensity, which indicates the degree of shaking, reached a maximum of 4 in Chungcheongbuk-do and 2 in Chungcheongnam-do. A seismic intensity of 4 means that many people indoors feel it, and some are awakened, with dishes and windows shaking; an intensity of 2 indicates a level of shaking felt only by a few people in quiet conditions or those on the upper floors of buildings.
Since 1978, a total of 43 earthquakes with a magnitude of 2.0 or higher have occurred within a 50 km radius of this earthquake's epicenter. Of these, 35 were between 2.0 and 3.0, 6 were between 3.0 and 4.0, and 1 was between 4.0 and 5.0. In September 1978, there was also an earthquake with a magnitude of 5.2, which was between 5.0 and 6.0.
This year, 44 earthquakes with a magnitude of 2.0 or higher have occurred in the Korean Peninsula and adjacent waters, including this one. The earthquake that occurred on this day ranks 21st in magnitude among the earthquakes that have occurred in the Korean Peninsula this year.