KMA "15 Aftershocks Occurred in Seogwipo, Jeju"

15 Aftershocks Including Magnitude 2.8 on the 15th, Total 15 Times

[Asia Economy Reporter Han Jinju] Since the magnitude 4.9 earthquake that occurred in Jeju on the 14th, 15 aftershocks have followed.

On the 15th, the Korea Meteorological Administration (KMA) announced that as of 5 p.m. that day, a total of 15 aftershocks had occurred, including a magnitude 2.8 earthquake. There were nine occurrences of magnitude 1.7, the most frequent, and four occurrences of magnitude 1.5 earthquakes.

During the 2017 Pohang earthquake, about 100 aftershocks ranging from magnitude 2.2 to 4.3 occurred. The KMA explained that aftershocks related to this earthquake could continue for several months up to one year.

At 3:06:47 p.m. on the same day, a magnitude 2.8 aftershock occurred in the sea area 40 km southwest of Seogwipo City, Jeju. The epicenter was located at 33.14 degrees north latitude and 126.15 degrees east longitude, with a depth of 14 km.

The instrumental intensity was analyzed as 2 in Jeju and 1 in other areas. An instrumental intensity of 2 means a quiet state or felt only by a few people on the upper floors of buildings.

The magnitude 4.9 earthquake that occurred in Jeju the previous day ranks 11th among all domestic earthquakes recorded and is the largest earthquake to occur this year.

The largest earthquake since seismic observations began was a magnitude 5.8 earthquake that occurred 8.7 km south-southwest of Gyeongju City, Gyeongbuk Province, in September 2016, and the second largest was a magnitude 5.4 earthquake that occurred 8 km north of Buk-gu, Pohang City, Gyeongbuk Province, on November 15, 2017.

This content was produced with the assistance of AI translation services.