North Korean nuclear test sets off years of earthquakes

A North Korean nuclear test caused a series of earthquakes in the region. The test site is located in the Punggye-ri site in North Korea, which has been the site of five previous nuclear tests. The test site has been inactive since 2017. The earthquakes were recorded by the United States Geological Survey (USGS) and the Korea Meteorological Administration (KMA). The earthquakes had a magnitude of 3.0 to 4.0 on the Richter scale, which is a relatively small magnitude. The test site is located in a region with a history of seismic activity, which makes it difficult to determine the exact cause of the earthquakes. The North Korean government has not commented on the test. The test site has been the subject of international concern due to the risk of radioactive contamination and potential environmental damage.