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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-04-22 04:45:18.92 || 38.7867, 20.7592 || 6 km || 3.0 Mw

 

Event ID:

tir2023hveg

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.18

16.80

3.894e-15

9.298e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.03

83.20

2.39

Quality:

ISO (%):

STVAR:

FMVAR:

D4

0.00

0.04

24.93

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-04-22 04:45:16.69

38.7358

10.0 km

Magnitude:

Longitude:

3.8 MLv

20.7583

Centroid Time:

Latitude:

Depth:

2023-04-22 04:45:18.92

38.7867

6.0 km

Magnitude:

Longitude:

Mo (Nm):

3.0 Mw

20.7592

3.925e+13

 

Used Stations

 

No of stations:

7

Azimuthal Gap (deg):

142.55

Min Distance (km):

63.8

Max Distance (km):

334.1

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

VLS

THL

SRN

LSK

NEST

KZN

PLG

 

N

 

-0.25

-

-

0.09

0.1

0.13

-

 

E

 

-

-

0.05

-0.0

-

-

-0.02

 

Z

 

-

0.27

0.2

-0.32

-0.04

-0.0

-0.44

 

Distance (km)

 

64

142

143

158

188

195

294

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

223

Dip:

23

Rake:

105

NP2

Strike:

26

Dip:

67

Rake:

83

 

P-Axis

Azimuth:

121

Plunge:

21

T-Axis

Azimuth:

284

Plunge:

67

B-Axis

Azimuth:

29

Plunge:

6

 

Six Tensor

Mrr:

3.455e+13

Mtt:

-2.000e+13

Mpp:

-1.455e+13

Components

Mrt:

6.980e+12

Mrp:

2.426e+13

Mtp:

-6.506e+11

Image

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