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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-03-08 23:41:49.25 || 36.6143, 19.6616 || 40 km || 4.1 Mw

 

Event ID:

tir2023eskc

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.21

28.60

2.569e-16

9.114e-16

Variance Reduction:

CLVD (%):

Condition Number:

0.05

71.40

3.55

Quality:

ISO (%):

STVAR:

FMVAR:

D3

0.00

0.01

14.34

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-03-08 23:41:50.89

36.7161

10.0 km

Magnitude:

Longitude:

4.6 MLv

19.6599

Centroid Time:

Latitude:

Depth:

2023-03-08 23:41:49.25

36.6143

40.0 km

Magnitude:

Longitude:

Mo (Nm):

4.1 Mw

19.6616

1.548e+15

 

Used Stations

 

No of stations:

3

Azimuthal Gap (deg):

277.37

Min Distance (km):

181.8

Max Distance (km):

702.0

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

VLO

KZN

DDIM

 

N

 

0.01

0.18

-

 

E

 

0.22

-0.87

0.05

 

Z

 

0.03

0.08

-

 

Distance (km)

 

417

439

679

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

243

Dip:

47

Rake:

171

NP2

Strike:

339

Dip:

83

Rake:

42

 

P-Axis

Azimuth:

104

Plunge:

23

T-Axis

Azimuth:

210

Plunge:

33

B-Axis

Azimuth:

346

Plunge:

47

 

Six Tensor

Mrr:

4.137e+14

Mtt:

7.678e+14

Mpp:

-1.181e+15

Components

Mrt:

1.054e+13

Mrp:

9.588e+14

Mtp:

-6.309e+14

Image

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