“ We now know that there are seven major crustal plates, subdivided into a number of smaller plates, ” NEIC adds, “all in constant motion relative to one another, at rates varying from 10 to 130 millimeters [three eighths of an inch to five inches] per year. ”
सरकण्याचा वेग वर्षाला १० - १३० मिलीमीटर [एका इंचाच्या तीन अष्टांशांपासून पाच इंच] इतका असतो. ”