of 1.) Cotabato was struck by a series of quakes from June 1 to 3, 2013. The first was a 5.7 earthquake on June 1, followed by 15 aftershocks. A 4.3 and a 5.7 quake were recorded on June 2 and 3, respectively. How much more powerful was the first earthquake than the proceeding ones? le le m​