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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-07-13 09:53:35.81 || 38.9084, 20.9820 || 30 km || 3.9 Mw

 

Event ID:

tir2023npjp

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.14

36.60

2.344e-15

6.292e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.02

63.40

2.68

Quality:

ISO (%):

STVAR:

FMVAR:

D3

0.00

0.05

6.85

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-07-13 09:53:32.85

38.9486

10.0 km

Magnitude:

Longitude:

3.6 MLv

20.9824

Centroid Time:

Latitude:

Depth:

2023-07-13 09:53:35.81

38.9084

30.0 km

Magnitude:

Longitude:

Mo (Nm):

3.9 Mw

20.9820

6.934e+14

 

Used Stations

 

No of stations:

7

Azimuthal Gap (deg):

149.55

Min Distance (km):

85.8

Max Distance (km):

317.2

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

VLS

THL

KPRO

SRN

KZN

VLO

PLG

 

N

 

-

-13.49

-

-

-0.39

-0.18

0.02

 

E

 

-

-1.45

-

-1.35

-0.69

-

0.05

 

Z

 

0.0

-2.88

-0.63

-0.08

-0.84

-0.23

0.03

 

Distance (km)

 

92

112

116

133

165

211

264

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

49

Dip:

53

Rake:

-20

NP2

Strike:

152

Dip:

73

Rake:

-141

 

P-Axis

Azimuth:

17

Plunge:

38

T-Axis

Azimuth:

276

Plunge:

12

B-Axis

Azimuth:

171

Plunge:

48

 

Six Tensor

Mrr:

-3.098e+14

Mtt:

-3.938e+14

Mpp:

7.036e+14

Components

Mrt:

-1.078e+14

Mrp:

2.644e+14

Mtp:

1.617e+14

Image

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