President Obama just hours ago warned that North Korea’s latest nuclear test and further provocative actions would be met with “serious consequences.”

The White House was reacting to a 5.0 magnitude earthquake in North Korea that was the likely result of that country’s fifth nuclear test in the last few years. Various reports said the blast appeared to be North Korea’s largest nuclear detonation yet, and yet was compact enough, indicating the country may have the ability to deliver it on a missile.