Earthquakes are still rattling Greece’s volcanic island of Santorini every few minutes as authorities bolster their emergency plans in case the hundreds of temblors in recent days are a harbinger of a larger quake to come.

Earthquakes have again struck Japan’s north-central region of Ishikawa that is still recovering from the destruction left by a powerful quake on Jan. 1.

The North American Soccer League was at the top of professional soccer in the United States well before Major League Soccer kicked off.