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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-12-31 13:56:21.32 || 40.5174, 23.3360 || 4 km || 3.5 Mw

 

Event ID:

tir2023zqcs

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.45

41.60

4.905e-15

3.175e-14

Variance Reduction:

CLVD (%):

Condition Number:

0.20

58.40

6.47

Quality:

ISO (%):

STVAR:

FMVAR:

C3

0.00

0.02

9.34

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-12-31 13:56:19.32

40.5576

10.0 km

Magnitude:

Longitude:

3.3 MLv

23.3370

Centroid Time:

Latitude:

Depth:

2023-12-31 13:56:21.32

40.5174

4.0 km

Magnitude:

Longitude:

Mo (Nm):

3.5 Mw

23.3360

1.768e+14

 

Used Stations

 

No of stations:

9

Azimuthal Gap (deg):

70.11

Min Distance (km):

22.4

Max Distance (km):

344.8

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

PLG

NVR

KZN

BARS

VLO

KARB

BCI

KIRK

PEJK

 

N

 

0.15

-

-0.3

-0.04

-0.96

-

-0.07

-

-

 

E

 

0.31

-

-

-

-0.81

-

-

-

-0.15

 

Z

 

-

-1.25

-0.04

-

-0.68

-0.88

-0.05

-0.41

0.11

 

Distance (km)

 

22

98

135

281

326

338

338

344

344

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

40

Dip:

55

Rake:

-92

NP2

Strike:

226

Dip:

34

Rake:

-85

 

P-Axis

Azimuth:

299

Plunge:

79

T-Axis

Azimuth:

132

Plunge:

10

B-Axis

Azimuth:

42

Plunge:

2

 

Six Tensor

Mrr:

-1.873e+14

Mtt:

9.308e+13

Mpp:

9.423e+13

Components

Mrt:

-3.235e+13

Mrp:

-5.084e+13

Mtp:

3.622e+13

Image

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