Initial reports of a 5.1 magnitude earthquake detected in North Korea from the USGS Reuters with more: • China earthquake networks center says North Korea earthquake suspected to be explosion ... that's via Yonhap (South Korean news) More from Reuters: • Location of earthquake detected in North Korea within 30 km of known North Korea nuclear test site, based on USGS coordinates • South Korean Met. agency says North Korea earthquake appears to be man-made • South Korean Met. agency says North Korea earthquake took place 49km from known nuclear test site And: • South Korean authorities suspected to have sold dollars to ... (full story)