Tehran, June 20, IRNA A quake with a magnitude of 4.2 degrees on the open-ended Richter scale shook Tang-Eram suburbs on the borderline of the provinces of Bushehr and Fars at 07:24 hours local time (02:54 GMT) on Friday. The Seismographic Center affiliated to Tehran University?s Geophysics Institute said the quake happened on 21.29 degrees northern ...