Middle America Seismograph Consortium

Moment Tensor Mechanisms:

1998/08/04 18:59 -- NEAR COAST OF ECUADOR

  	NEIC (National Earthquake Information Center)
 	Harvard CMT (Centroid Moment Tensor)
  	ERI (Earthquake Research Institute)


NEIC (National Earthquake Information Center) 98/08/04 18:59:19.63 NEAR COAST OF ECUADOR Epicenter: -0.473 -80.053 mb 6.0 MS 7.0 MOMENT TENSOR SOLUTION Depth 22 No. of sta: 56 Moment Tensor; Scale 10**19 Nm Mrr= 1.76 Mtt= 0.02 Mff=-1.77 Mrt= 0.58 Mrf=-3.22 Mtf=-2.22 Principal axes: T Val= 4.33 Plg=49 Azm= 55 N 0.00 31 189 P -4.33 24 294 Best Double Couple:Mo=4.3*10**19 Mw=7.1 NP1:Strike= 68 Dip=35 Slip= 154 NP2: 180 76 58 ---#### --------######### ---------############ -----------############## ------------################# --- -------################## --- P -------####### ######## ---- -------####### T ########- --------------####### #######-- --------------#################-- --------------################--- --------------##############----- -------------#############----- #------------###########------- ###----------######---------- ###########-------------- #########------------ ########--------- ###----
Harvard CMT (Centroid Moment Tensor) Date: 1998/ 8/ 4 Centroid Time: 18:59:30.4 GMT Lat= -0.53 Lon= -80.46 Depth= 34.2 Half duration= 8.6 Centroid time minus hypocenter time: 11.4 Moment Tensor: Expo=26 2.975 0.042 -3.016 0.595 -3.840 -0.774 Mw = 7.1 mb = 7.1 Ms = 7.1 Scalar Moment = 4.97e+26 Fault plane: strike=30 dip=22 slip=121 Fault plane: strike=176 dip=71 slip=78 ---#### -------########## --------############- ----------##############- -----------################-- ------------################--- ------------#################-- --- -------####### #######--- --- P -------####### T #######--- --- -------####### #######--- -------------################---- -------------################---- -------------##############---- -------------#############----- ------------############----- -----------#########----- ---------######------ --------#-------- ####---
ERI (Earthquake Research Institute)




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