Universitas Negeri Surabaya
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Moment Tensor Solution

 
 
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2023-10-20 02:03:18.69 || -20.3906, -68.7703 || 94 km || 4.2 Mw

 

Event ID:

gfz2023unqz

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.29

98.80

1.326e-16

7.167e-16

Variance Reduction:

CLVD (%):

Condition Number:

0.08

1.20

5.40

Quality:

ISO (%):

STVAR:

FMVAR:

D1

0.00

0.05

44.43

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-10-20 02:03:20.70

-20.4710

95.9 km

Magnitude:

Longitude:

4.5 mb

-68.7720

Centroid Time:

Latitude:

Depth:

2023-10-20 02:03:18.69

-20.3906

93.9 km

Magnitude:

Longitude:

Mo (Nm):

4.2 Mw

-68.7703

2.094e+15

 

Used Stations

 

No of stations:

6

Azimuthal Gap (deg):

174.98

Min Distance (km):

150.0

Max Distance (km):

1274.1

Frequencies (Hz):

0.05 - 0.06

tapered

0.04 - 0.05

and

0.06 - 0.07

 

Station

 

PB02

MNMCX

PB06

PB18

PB19

TCA

 

N

 

0.12

-

-0.01

-0.28

-0.06

-

 

E

 

-

0.35

0.28

0.08

0.05

-

 

Z

 

-

-

0.2

0.16

0.02

0.0

 

Distance (km)

 

150

172

261

328

384

1274

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

98

Dip:

41

Rake:

152

NP2

Strike:

210

Dip:

72

Rake:

52

 

P-Axis

Azimuth:

327

Plunge:

18

T-Axis

Azimuth:

79

Plunge:

48

B-Axis

Azimuth:

223

Plunge:

35

 

Six Tensor

Mrr:

9.692e+14

Mtt:

-1.303e+15

Mpp:

3.334e+14

Components

Mrt:

-3.282e+14

Mrp:

-1.366e+15

Mtp:

-1.019e+15

Image

🄯 Gisola - More info https://github.com/nikosT/Gisola