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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-04-22 21:28:10.55 || 40.0747, 28.6782 || 780 km || 4.9 Mw

 

Event ID:

tir2023hwli

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.29

22.10

2.157e-17

2.280e-16

Variance Reduction:

CLVD (%):

Condition Number:

0.08

77.90

10.57

Quality:

ISO (%):

STVAR:

FMVAR:

D3

0.00

0.02

18.00

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-04-22 21:28:12.56

40.0732

750.0 km

Magnitude:

Longitude:

4.9 Mwp

28.7833

Centroid Time:

Latitude:

Depth:

2023-04-22 21:28:10.55

40.0747

780.0 km

Magnitude:

Longitude:

Mo (Nm):

4.9 Mw

28.6782

2.978e+16

 

Used Stations

 

No of stations:

6

Azimuthal Gap (deg):

191.71

Min Distance (km):

188.8

Max Distance (km):

842.2

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

KIRK

KARB

AKAS

KZN

BARS

SRN

 

N

 

-0.29

-

-

-0.42

-

-

 

E

 

-

0.13

0.06

-

-0.1

-0.45

 

Z

 

-

0.03

-

0.21

0.25

-

 

Distance (km)

 

189

234

467

542

599

697

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

32

Dip:

64

Rake:

-172

NP2

Strike:

299

Dip:

83

Rake:

-25

 

P-Axis

Azimuth:

253

Plunge:

22

T-Axis

Azimuth:

348

Plunge:

12

B-Axis

Azimuth:

105

Plunge:

63

 

Six Tensor

Mrr:

-1.208e+16

Mtt:

2.947e+16

Mpp:

-1.738e+16

Components

Mrt:

1.077e+16

Mrp:

-5.091e+14

Mtp:

1.059e+16

Image

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