<p>A tsunami warning was issued by the Japan Meteorological Agency that was lifted some 30 minutes after the quake hit the islands.<br /><br />The quake's epicentre was located at 10 km below sea level off the nearby Ishigaki island, according to the agency.<br /><br />Meanwhile, an emergency task force has been set up to coordinate the government's response to the earthquakes at the prime minister's office.<br /><br />Japan is one of the most earthquake-prone countries in the world, and it was hit by a series of tremors last week.<br /><br /></p>
<p>A tsunami warning was issued by the Japan Meteorological Agency that was lifted some 30 minutes after the quake hit the islands.<br /><br />The quake's epicentre was located at 10 km below sea level off the nearby Ishigaki island, according to the agency.<br /><br />Meanwhile, an emergency task force has been set up to coordinate the government's response to the earthquakes at the prime minister's office.<br /><br />Japan is one of the most earthquake-prone countries in the world, and it was hit by a series of tremors last week.<br /><br /></p>