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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-11-08 00:23:46.35 || 40.2141, 21.4249 || 2 km || 3.2 Mw

 

Event ID:

tir2023vwgg

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.50

63.50

4.672e-15

1.710e-14

Variance Reduction:

CLVD (%):

Condition Number:

0.25

36.50

3.66

Quality:

ISO (%):

STVAR:

FMVAR:

C2

0.00

0.04

31.39

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-11-08 00:23:44.12

40.2650

10.0 km

Magnitude:

Longitude:

3.2 MLv

21.4258

Centroid Time:

Latitude:

Depth:

2023-11-08 00:23:46.35

40.2141

2.0 km

Magnitude:

Longitude:

Mo (Nm):

3.2 Mw

21.4249

6.294e+13

 

Used Stations

 

No of stations:

10

Azimuthal Gap (deg):

65.12

Min Distance (km):

30.6

Max Distance (km):

346.1

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

KZN

KBN

THL

AL07A

BERA

AL06A

PLG

KKS

VLS

BARS

 

N

 

0.42

0.45

-

-

-

-

-

0.13

-0.5

0.04

 

E

 

0.34

-0.14

-0.01

-

0.46

-

-

-0.04

0.69

-

 

Z

 

0.46

0.29

0.48

0.06

-0.09

0.03

0.34

-

0.14

-

 

Distance (km)

 

31

67

93

95

135

143

172

218

243

285

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

205

Dip:

81

Rake:

27

NP2

Strike:

110

Dip:

62

Rake:

170

 

P-Axis

Azimuth:

335

Plunge:

12

T-Axis

Azimuth:

71

Plunge:

25

B-Axis

Azimuth:

220

Plunge:

61

 

Six Tensor

Mrr:

1.643e+13

Mtt:

-4.708e+13

Mpp:

3.065e+13

Components

Mrt:

-1.034e+13

Mrp:

-2.310e+13

Mtp:

-4.010e+13

Image

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