HRV solution | USGS solution |
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September 20, TAIWAN, Mw=7.7 Natasha Maternovskaya Erik Larson: mailto:eq@seismology.harvard.edu CENTROID, MOMENT TENSOR SOLUTION HARVARD EVENT-FILE NAME C092099A DATA USED: GSN L.P. BODY WAVES: 4S, 12C, T= 45 MANTLE WAVES: 4S, 7C, T=135 CENTROID LOCATION: ORIGIN TIME 17:47:38.2 0.3 LAT 23.94N 0.02;LON 120.71E 0.06 DEP 20.7 1.3;HALF-DURATION 18.8 MOMENT TENSOR; SCALE 10**27 D-CM MRR= 3.37 0.08; MTT=-0.93 0.07 MFF=-2.44 0.12; MRT=-1.54 0.18 MRF=-1.98 0.20; MTF=-1.33 0.05 PRINCIPAL AXES: 1. (T) VAL= 4.22;PLG=71;AZM=133 2. (N) -0.17; 3; 33 3. (P) -4.05; 19; 302 BEST DOUBLE COUPLE:M0=4.1*10**27 NP1:STRIKE= 26;DIP=27;SLIP= 82 NP2: 215; 64; 94 Рисунок 1 |
99/09/20 17:47:19.01 Stuart Sipkin: mailto:sipkin@usgs.gov TAIWAN Epicenter: 23.781 121.090 mb 6.3 MS 7.6 MOMENT TENSOR SOLUTION Depth 5 No. of sta: 23 Moment Tensor; Scale 10**20 Nm Mrr= 1.93 Mtt= 0.01 Mff=-1.94 Mrt=-0.76 Mrf=-1.20 Mtf=-0.33 Principal axes: T Val= 2.44 Plg=69 Azm=138 N -0.04 11 17 P -2.40 17 283 Best Double Couple:Mo=2.4*10**20 Mw=7.6 NP1:Strike=357 Dip=29 Slip= 67 NP2: 202 63 102 Рисунок 2 |
Среднее значение сейсмического момента Мо землетрясения, определенного в ИОЦ ГС РАН по спектрам Р-волн, на трех сейсмических станциях: Талая (delta=30.9o), Арти (delta=55.4o), Обнинск (delta=67.8o), составило 1.5*10**20 н*м (1.5* 10**27 D-CM). Определено значение моментной магнитуды Mw =7.4.
99/09/20 17:47:19.01 TAIWAN Epicenter: 23.781 121.090 mb 6.3 MS 7.6 MOMENT TENSOR SOLUTION Depth 5 No. of sta: 23 Moment Tensor; Scale 10**20 Nm Mrr= 1.93 Mtt= 0.01 Mff=-1.94 Mrt=-0.76 Mrf=-1.20 Mtf=-0.33 Principal axes: T Val= 2.44 Plg=69 Azm=138 N -0.04 11 17 P -2.40 17 283 Best Double Couple:Mo=2.4*10**20 Mw=7.6 NP1:Strike=357 Dip=29 Slip= 67 NP2: 202 63 102 |
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