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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-02-01 10:53:20.26 || 40.0819, 22.8741 || 8 km || 3.9 Mw

 

Event ID:

tir2023cfmd

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.78

77.60

2.878e-15

8.437e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.60

22.40

2.93

Quality:

ISO (%):

STVAR:

FMVAR:

C2

0.00

0.01

40.61

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-02-01 10:53:21.97

40.1836

10.0 km

Magnitude:

Longitude:

4.3 MLv

22.8759

Centroid Time:

Latitude:

Depth:

2023-02-01 10:53:20.26

40.0819

8.0 km

Magnitude:

Longitude:

Mo (Nm):

3.9 Mw

22.8741

8.988e+14

 

Used Stations

 

No of stations:

3

Azimuthal Gap (deg):

194.75

Min Distance (km):

94.0

Max Distance (km):

247.3

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

KZN

NVR

SRN

 

N

 

0.78

0.57

0.66

 

E

 

-

-

0.25

 

Z

 

0.82

0.07

0.5

 

Distance (km)

 

94

154

247

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

260

Dip:

50

Rake:

-144

NP2

Strike:

146

Dip:

63

Rake:

-45

 

P-Axis

Azimuth:

107

Plunge:

49

T-Axis

Azimuth:

206

Plunge:

7

B-Axis

Azimuth:

302

Plunge:

39

 

Six Tensor

Mrr:

-5.169e+14

Mtt:

6.965e+14

Mpp:

-1.797e+14

Components

Mrt:

-1.510e+13

Mrp:

4.070e+14

Mtp:

-4.997e+14

Image

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