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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2024-04-08 21:59:26.61 || 38.9459, 20.8351 || 30 km || 4.2 Mw

 

Event ID:

tir2024gysv

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.64

55.30

3.099e-15

9.551e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.41

44.70

3.08

Quality:

ISO (%):

STVAR:

FMVAR:

B2

0.00

0.06

24.22

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2024-04-08 21:59:24.42

38.8441

10.0 km

Magnitude:

Longitude:

4.2 MLv

20.8334

Centroid Time:

Latitude:

Depth:

2024-04-08 21:59:26.61

38.9459

30.0 km

Magnitude:

Longitude:

Mo (Nm):

4.2 Mw

20.8351

1.892e+15

 

Used Stations

 

No of stations:

9

Azimuthal Gap (deg):

105.53

Min Distance (km):

16.4

Max Distance (km):

515.5

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

LKD2

VLS

THL

SRN

LSK

NEST

KZN

PLG

KARB

 

N

 

0.81

-0.34

0.03

-3.12

0.54

0.3

-0.19

-

-0.01

 

E

 

0.69

-

-0.25

0.27

0.45

-0.48

-0.57

-

-

 

Z

 

-

-

-2.41

0.57

0.76

0.64

0.24

-0.07

-0.55

 

Distance (km)

 

16

77

130

135

146

175

181

281

485

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

220

Dip:

55

Rake:

84

NP2

Strike:

49

Dip:

34

Rake:

97

 

P-Axis

Azimuth:

313

Plunge:

10

T-Axis

Azimuth:

111

Plunge:

78

B-Axis

Azimuth:

223

Plunge:

4

 

Six Tensor

Mrr:

1.484e+15

Mtt:

-7.153e+14

Mpp:

-7.686e+14

Components

Mrt:

-4.030e+14

Mrp:

-5.404e+14

Mtp:

-1.214e+15

Image

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