Expert warns North Korea 'WILL strike back'
The first earthquake struck not far from North Korea's capital of Pyongyang, where despot Kim Jong-un and his closest allies live.
Measuring 2.6 on the Richter scale, the quake could be an indication of yet another missile test - despite worldwide condemnation.
The epicentre was to the south-west of the capital - a location not known to contain any missile testing sites.
A second struck several hours later in the same location, measuring 2.5 on the scale.
Seoul-based weatherman Kim Sung-han reported the earthquakes on Twitter, stating the first occured at 9.32pm local time (1.32pm BST). The second occured around five hours later.
Earthquakes are often indications of missile activity in the hermit kingdom, with underground testing regularly picked up by seismographs.
All previous nuclear tests have taken plac at Mount Mantap, a mountain filled with an intricate network of tunnels and caverns.
Quakes and tremors do, however, also occur naturally in the region. A 3.1 magnitude quake took place in March last year, with South Korean official stating it was not man-made.
Holidays are often used as opportunities for the war-crazed North Korean government to carry out missile tests or send threats to their Western rivals.
Today is National Liberation Day in the North, marking the victory over Japan in World War 2.
It comes amid a background of white-hot tension on the Korean peninsula, with Kim repeatedly threatening to attack America.
Last week US president Donald Trump warned North Korea of "fury and fire" if it did not wind in its rhetoric, a move which was immediately undermined by yet more threats.
Kim then went so far as to pinpoint the US territory of Guam as a target for an imminent attack,.
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