Tsunami warnings have been issued - and then cancelled - following a 7.6 magnitude earthquake in Costa Rica.<br /><br />The powerful tremor hit the Central American country at just after 8.30 in the morning local time and could be felt as far away as the Nicaraguan capital, Managua.<br /><br />The quake's epicentre was about 140 kilometres west of the capital, San Jose.<br /><br />...<br />http://www.euronews.net/
