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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-03-08 10:16:21.38 || 39.8154, 21.8864 || 6 km || 3.4 Mw

 

Event ID:

tir2023erjn

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.44

99.80

3.665e-15

1.661e-14

Variance Reduction:

CLVD (%):

Condition Number:

0.19

0.20

4.53

Quality:

ISO (%):

STVAR:

FMVAR:

C1

0.00

0.00

12.08

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-03-08 10:16:22.98

39.8147

10.0 km

Magnitude:

Longitude:

3.4 MLv

21.9526

Centroid Time:

Latitude:

Depth:

2023-03-08 10:16:21.38

39.8154

6.0 km

Magnitude:

Longitude:

Mo (Nm):

3.4 Mw

21.8864

1.368e+14

 

Used Stations

 

No of stations:

7

Azimuthal Gap (deg):

105.64

Min Distance (km):

28.3

Max Distance (km):

243.8

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

THL

KZN

PLG

IGT

BERA

VLS

NVR

 

N

 

0.64

0.31

-

0.2

-

-

-

 

E

 

-

0.39

-

-

0.04

0.45

-

 

Z

 

0.36

0.37

-0.4

-

0.0

-0.22

-0.09

 

Distance (km)

 

28

56

142

143

197

217

235

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

236

Dip:

41

Rake:

-141

NP2

Strike:

115

Dip:

65

Rake:

-55

 

P-Axis

Azimuth:

70

Plunge:

54

T-Axis

Azimuth:

181

Plunge:

13

B-Axis

Azimuth:

279

Plunge:

31

 

Six Tensor

Mrr:

-8.376e+13

Mtt:

1.237e+14

Mpp:

-3.996e+13

Components

Mrt:

-5.380e+13

Mrp:

6.104e+13

Mtp:

1.176e+13

Image

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