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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-10-04 21:12:53.75 || 37.9908, 22.9025 || 30 km || 3.8 Mw

 

Event ID:

tir2023tlwv

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.08

91.90

1.447e-15

4.293e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.01

8.10

2.97

Quality:

ISO (%):

STVAR:

FMVAR:

D1

0.00

0.01

20.41

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-10-04 21:12:49.83

38.0417

10.0 km

Magnitude:

Longitude:

3.6 MLv

22.9034

Centroid Time:

Latitude:

Depth:

2023-10-04 21:12:53.75

37.9908

30.0 km

Magnitude:

Longitude:

Mo (Nm):

3.8 Mw

22.9025

6.346e+14

 

Used Stations

 

No of stations:

6

Azimuthal Gap (deg):

264.88

Min Distance (km):

185.9

Max Distance (km):

339.8

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

VLS

KPRO

PLG

KZN

IGT

THE

 

N

 

-12.18

-0.39

0.02

-0.51

-1.32

0.02

 

E

 

-0.86

-

0.02

-0.32

-0.84

-

 

Z

 

-2.27

-1.64

-0.0

-

-0.63

-

 

Distance (km)

 

204

251

263

269

278

288

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

103

Dip:

76

Rake:

-34

NP2

Strike:

202

Dip:

56

Rake:

-164

 

P-Axis

Azimuth:

57

Plunge:

33

T-Axis

Azimuth:

156

Plunge:

13

B-Axis

Azimuth:

265

Plunge:

53

 

Six Tensor

Mrr:

-1.692e+14

Mtt:

3.959e+14

Mpp:

-2.267e+14

Components

Mrt:

-2.813e+14

Mrp:

1.721e+14

Mtp:

4.191e+14

Image

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