Sari, Mazandaran Prov, March 26, IRNA � The city of Amol in this northern province went on experiencing aftershocks for fourth consequative day on Saturday.

A mild earthquake measuring 2 on the Richter scale shook the city early on Saturday for the 11th times in four days.

The city was hit by the 4.1-magnitude earthquake midday on Wednesday.

The next quakes were not as strong as the first one.

Though the tremors left no casualties or damage, they caused apprehension and stress among citizens.

By IRNA