Very good question ?
yes I also remember that since long it happens in same season.
Today there is another one
GEO Pakistan****Jolts felt in Sindh, Balochistan Updated at: 0015 PST, Monday, October 26, 2009
QUETTA: Jolts have been felt in some areas of Sindh and Balochistan, Geo News reported Sunday.
According to Meteorological Department, the intensity of the jolts was recorded at 5.5 at Richter scale, adding the epicenter of the quake is situated near Pak-Afghan border.
Dalbadin and its adjoining areas, Kharan, Mustong, Matchh, Naseerabad, Jafarabad, Qambar-Shahdadkot and Quetta were jolted.