A powerful earthquake of 6.8 magnitude on Richter Scale has struck parts of Pakistan and the Afghanistan-Tajikistan border in the Hindukush region.n fact there were two shocks  with some gap.

The quake struck at 3.58 pm and went on for several minutes.

Earthquakes are measured on Richter Scale  and Mercelli Scale.

Its epicentre lay 39 km from Ashkasham and 282 km northeast of Kabul, in Afghanistan. The impact was strongest across a 200 km area, according to data from European Mediterranean Seismological Centre.

Tremors were felt across north India, including Delhi and National Capital Region, Kashmir and Uttarakhand. The metro rail service in Delhi was halted following the quake as a precautionary measure.

Radio Pakistan reported that strong tremors were felt across Peshawar, Chitral, Swat, Gilgit, Faisalabad and Lahore. See updates of Pakistan and videos here.

Around similar scope quake hit North India in 2013.

Here is an old post on What Causes Earthquake.

Related Links:

QuakeOverview

Earthquake and Plate Tectonics

Earthquakes in Asia

Inaccuracy of GPS may be a tool to predict Quakes

India-Nepal quake of 2015

Seismic waves and Eathquakes