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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-09-22 08:58:55.58 || 38.9986, 22.7458 || 26 km || 4.0 Mw

 

Event ID:

tir2023spap

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.34

48.60

3.234e-15

7.128e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.11

51.40

2.20

Quality:

ISO (%):

STVAR:

FMVAR:

D3

0.00

0.06

11.49

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-09-22 08:58:57.59

39.0495

10.0 km

Magnitude:

Longitude:

4.2 MLv

22.7467

Centroid Time:

Latitude:

Depth:

2023-09-22 08:58:55.58

38.9986

26.0 km

Magnitude:

Longitude:

Mo (Nm):

4.0 Mw

22.7458

1.108e+15

 

Used Stations

 

No of stations:

11

Azimuthal Gap (deg):

130.62

Min Distance (km):

85.2

Max Distance (km):

548.2

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

THL

PLG

KZN

THE

LKD2

VLS

VLO

KARB

LACI

DDIM

KIRK

 

N

 

0.23

-

0.56

-0.09

-1.63

-

0.24

-0.07

-2.71

-

0.52

 

E

 

0.64

-

-0.41

-

0.49

-

0.13

-

-1.54

-

-

 

Z

 

-0.37

0.37

0.66

0.0

-

0.45

0.17

-

-0.32

-0.19

-

 

Distance (km)

 

85

159

162

177

184

212

320

321

386

431

478

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

205

Dip:

89

Rake:

173

NP2

Strike:

295

Dip:

83

Rake:

0

 

P-Axis

Azimuth:

251

Plunge:

3

T-Axis

Azimuth:

160

Plunge:

4

B-Axis

Azimuth:

21

Plunge:

83

 

Six Tensor

Mrr:

3.133e+14

Mtt:

6.846e+14

Mpp:

-9.979e+14

Components

Mrt:

-1.054e+13

Mrp:

-1.165e+14

Mtp:

6.576e+14

Image

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