M 5.8 - 48 km S of Basco, Philippines
- 1988-12-04 06:14:10 (UTC)
- 20.014°N 121.930°E
- 10.0 km depth
CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 10S, 27C Centroid Location: Origin Time 06:14:12.1 0.3 Lat 19.88N 0.05 Lon 121.74E 0.07 Dep 27.3 4.6 Half-duration 3.0 Moment Tensor; Scale 10**17 Nm Mrr=0.61 0.28 Mtt=-1.66 0.21 Mff=1.04 0.42 Mrt=-0.24 0.47 Mrf=0.09 0.52 Mtf=-4.96 0.24 Principal Axes: (T) Val=4.85 Plg=3 Azm=233 (N) Val=0.60 Plg=87 Azm=76 (P) Val=-5.45 Plg=1 Azm=323 Best Double Couple:Mo=5.1*10**17 NP1:Strike=8 Dip=87 Slip=1 NP2:Strike=278 Dip=89 Slip=177