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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-05-31 02:15:45.31 || 42.5308, 32.5118 || 774 km || 5.9 Mw

 

Event ID:

tir2023kofy

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.35

96.30

2.028e-18

2.832e-17

Variance Reduction:

CLVD (%):

Condition Number:

0.13

3.70

13.96

Quality:

ISO (%):

STVAR:

FMVAR:

D1

0.00

0.02

2.31

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-05-31 02:15:41.62

42.4291

750.0 km

Magnitude:

Longitude:

4.3 MLv

32.5099

Centroid Time:

Latitude:

Depth:

2023-05-31 02:15:45.31

42.5308

774.0 km

Magnitude:

Longitude:

Mo (Nm):

5.9 Mw

32.5118

6.991e+17

 

Used Stations

 

No of stations:

4

Azimuthal Gap (deg):

308.39

Min Distance (km):

712.1

Max Distance (km):

973.8

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

DDIM

THE

KZN

PRZK

 

N

 

-

-

-22.81

-

 

E

 

-

0.16

-

-

 

Z

 

-16.09

-

-61.45

-75.58

 

Distance (km)

 

712

821

927

968

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

325

Dip:

45

Rake:

-169

NP2

Strike:

228

Dip:

82

Rake:

-44

 

P-Axis

Azimuth:

176

Plunge:

35

T-Axis

Azimuth:

285

Plunge:

24

B-Axis

Azimuth:

41

Plunge:

44

 

Six Tensor

Mrr:

-1.254e+17

Mtt:

-4.157e+17

Mpp:

5.411e+17

Components

Mrt:

3.940e+17

Mrp:

2.749e+17

Mtp:

1.318e+17

Image

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