Here is the solution for the recent event.
 
April 21, 2001, EASTERN IDAHO, Mw=5.3
Meredith Nettles

CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME B042101A
DATA USED: GSN 
L.P. BODY WAVES: 27S, 46C, T= 45
CENTROID LOCATION:
ORIGIN TIME       17:19: 0.9 0.3
LAT 43.16N 0.05;LON 111.19W 0.05
DEP  15.0 FIX;HALF-DURATION  1.7
MOMENT TENSOR; SCALE 10**23 D-CM
  MRR=-9.09 0.29; MTT= 0.62 0.39
  MFF= 8.47 0.37; MRT=-4.96 1.13
  MRF= 2.89 1.41; MTF= 1.19 0.35
 PRINCIPAL AXES:
 1.(T) VAL=  8.95;PLG= 8;AZM=273
 2.(N)       2.71;    23;    180
 3.(P)     -11.66;    66;     22
BEST DOUBLE COUPLE:M0=1.0*10**24
 NP1:STRIKE= 28;DIP=42;SLIP= -55
 NP2:       164;    57;     -117

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