M 6.7 - 49 km SW of Ambon, Indonesia
- 1983-03-12 01:36:35 (UTC)
- 4.056°S 127.924°E
- 16.9 km depth
ShakeMap
Slight damage at Ambon, Ceram. Three meter local tsunami observed on Ceram. FAULT PLANE SOLUTION: P-WAVES NP1:STRIKE=120;DIP=60;SLIP=40 NP2:STRIKE=7;DIP=56;SLIP=143 PRINCIPAL AXES: (T) PLG=48; AZM=335 (P) PLG=2; AZM=243 COMMENT: Poorly controlled strike-slip fault type mechanism. NP to be designated as the fault plane not determined. MOMENT TENSOR SOLUTION NO OF STA 4 SCALE 10**26 D-CM PRINCIPAL AXES: (T) VAL=1.33; PLG=39; AZM=285 (N) VAL=-0.03; PLG=50; AZM=116 (P) VAL=-1.29; PLG=6; AZM=19 BEST DOUBLE COUPLE:Mo=1.3*10**26 NP1:STRIKE=70;DIP=59;SLIP=26 NP2:STRIKE=325;DIP=68;SLIP=146 COMMENT: Best depth =19 km. CENTROID, MOMENT TENSOR SOLUTION HARVARD EVENT-FILE NAME C031283B DATA USED: GDSN L.P. BODY WAVES: 17S, 50C, T=45 MANTLE WAVES: 14S, 31C, T=135 CENTROID LOCATION: ORIGIN TIME 1:36:40.5 0.3 LAT 4.16S 0.02;LON 127.83E 0.03 DEP 15.7 1.3;HALF-DURATION 7.4 MOMENT TENSOR; SCALE 10**25 D-CM MRR=4.00 0.13; MTT=-5.18 0.10 MFF=1.18 0.12; MRT=6.89 0.88 MRF=1.17 0.48; MTF=3.89 0.10 PRINCIPAL AXES: 1.(T) VAL=8.83;PLG=52;AZM=323 2.(N) 0.83; 27; 94 3.(P) -9.66; 25; 197 BEST DOUBLE COUPLE:M0=9.3*10**25 NP1:STRIKE=329;DIP=32;SLIP=150 NP2:Strike=86;Dip=75;Slip=62