It’s been awhile since Martin County residents have felt the ground shake under their feet, but on Apr. 7 at 1:46 p.m. a 4.4 earthquake shook the entire county and surrounding areas. The epicenter was 13 miles north of Stanton.A second and smaller quake in the same area, registering a 2.7, occurred at 4:40 p.m.This is the third and fourth quake for this immediate area as two more much small…