epicenter (reference point)
  03/07/15 20:27  (UT)   2.56 S  68.3 E     10 km   7.6

 (Strike, Dip, Rake) = (35, 88, 157)
 Seismic moment, Mo = 3.4x10**20 Nm  (Mw = 7.6)
 Source duration,  T = 70 s
 Fault area,  S = 120 km x 30 km
 Dislocation, D (maximum) = 4.0 m
 Stress drop  DELTA sigma = 2.5 Mo / S**1.5 = 3.8 MPa