6.5+ during the last week of May (1950-2016). 67 years, 34 hits. About a 50% cointoss we will see a 6.5+ still this month.
Western Turkey has seen many 5+ this year already, can't tell if they are foreshocks or stress relieving normal quakes. Greece usually gets 5+ as well, maybe there next.

1950-05-26 7.1 Vanuatu
1953-05-31 6.6 Dominican republic
1955-05-30 7.2 Japan region
1957-05-26 7.1 Turkey
1958-05-31 6.9 Vanuatu
1960-05-25 6.7 Chile
1962-05-31 6.6 Japan region
1964-05-26 7.8 Sandwich Islands
1968-05-28 7.5 Indonesia
1970-05-31 7.9 Peru
1975-05-26 7.9 Azores ridge
1976-05-29 7.0 Myanmar
1978-05-26 6.8 Japan region
1981-05-25 7.6 New Zealand
1983-05-26 7.4 Japan
1984-05-30 7.1 PNG
1986-05-26 7.1 Fiji
1988-05-30 6.9 Indonesia
1990-05-30 7.0 Romania
1991-05-30 7.0 Alaska
1992-05-27 7.0 Santa Cruz Islands
1994-05-29 6.5 Myanmar
1995-05-27 7.1 Russia
1997-05-25 7.1 Kermadec Islands
1998-05-30 6.6 Afghanistan
2001-05-25 6.7 Kuril Islands
2003-05-26 7.0 Indonesia
2004-05-29 6.5 Japan
2006-05-28 6.5 PNG
2009-05-28 7.3 Honduras
2010-05-27 7.2 Vanuatu
2012-05-28 6.7 Argentina
2015-05-30 7.8 Japan region
2016-05-28 7.2 Sandwich Islands

-Finland