Are the two Mexican earthquakes connected – and are more on the way?

Two earthquakes have hit Mexico within two weeks, both occurring on the Cocos tectonic plate. But are they related, and could Mexico face more tremors?

Mexico has been hit by its second deadly earthquake in less than two weeks. Are the two seismic events in Mexico related, and could they indicate more tremors are on the way?

Two days after the second earthquake in Mexico, large quakes struck the Pacific island of Vanuatu and off the north-east coast of Japan.