Authorities say Roach might be deported back to Canada as he is an immigration offender in Thailand.
The Japan Meteorological Agency says the quake that had a depth of 10km did not trigger any tsunami threat.
The stamps will be available from August 29 at all post offices and the Singapore Philatelic Museum.
The buildings in Tokyo were shaken by the jolt, but there were no reports of damages or injuries.
Thai deputy national police spokesman Kissana Phatanacharoen says only one warrant of arrest was issued for a suspect in connection with the attacks.
Japanese media reports that Beijing has built a dock for its warships at a site, which Japan is developing as a military base.
The Jakarta police took to twitter to keep the people updated about the situation.
Members of Abu Sayyaf group which is linked to the Islamic State in Iraq and Syria (ISIS) captured 7 Indonesian tugboat crewmen on June 23
Indonesian President Joko Widodo and Singapore Prime Minister Lee will be attending the inaugural ceremony of the massive industrial estate.
On August 17, Science, Technology and Innovation Minister Madius Tangau warned people of extremely dry weather conditions
BRP Tubbataha is the first of 10 Philippine coast guard ships being built in Japan and supported by Japanese aid.
USGS says the epicenter was about 54 kilometres off Bowen in Queensland state.
Senator Leila de Lima, the head of the Senate panel on justice and human rights, will open a public inquiry into drug-related killings next week.
The residents of Parkstone Drive, Goodman Road and Crescent Road were among those people who complained about such incidents.
Mohammad Safyan escapes by swimming out to sea after the extremists threatened to cut his head off.