Pune, July 30: A mild tremor was experienced in Pune and parts of Maharashtra with its epicentre at Koyna dam region in Satara district, the Met office said on Wednesday morning.

The tremor, felt past midnight at 12:40 am, lasted for around seven seconds and measured 4.2 on the Richter scale. According to sources at Koyna, there was no damage to the dam where a power generation plant of the state electricity distribution company Mahavitaran is located.

The police said there were no reports of any kind of damage to life or propert