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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-02-16 08:39:23.99 || 38.6449, 20.3908 || 14 km || 3.4 Mw

 

Event ID:

tir2023dgsh

Evaluation Mode:

automatic

Evaluation Status:

reviewed

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.70

66.60

1.279e-15

9.096e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.48

33.40

7.11

Quality:

ISO (%):

STVAR:

FMVAR:

B2

0.00

0.03

17.87

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-02-16 08:39:25.35

38.6443

10.0 km

Magnitude:

Longitude:

3.8 MLv

20.4559

Centroid Time:

Latitude:

Depth:

2023-02-16 08:39:23.99

38.6449

14.0 km

Magnitude:

Longitude:

Mo (Nm):

3.4 Mw

20.3908

1.552e+14

 

Used Stations

 

No of stations:

4

Azimuthal Gap (deg):

170.87

Min Distance (km):

53.2

Max Distance (km):

233.4

Frequencies (Hz):

0.07 - 0.09

tapered

0.05 - 0.07

and

0.09 - 0.1

 

Station

 

VLS

THL

KZN

VLO

 

N

 

-

-

-

0.26

 

E

 

-

-

0.63

-

 

Z

 

0.92

-0.02

-

0.27

 

Distance (km)

 

53

169

217

219

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

295

Dip:

29

Rake:

-8

NP2

Strike:

32

Dip:

85

Rake:

-119

 

P-Axis

Azimuth:

275

Plunge:

41

T-Axis

Azimuth:

147

Plunge:

34

B-Axis

Azimuth:

34

Plunge:

28

 

Six Tensor

Mrr:

-1.474e+13

Mtt:

6.516e+13

Mpp:

-5.042e+13

Components

Mrt:

-8.165e+13

Mrp:

-1.045e+14

Mtp:

5.468e+13

Image

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