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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-08-11 13:20:55.65 || 39.5609, 23.8503 || 30 km || 4.2 Mw

 

Event ID:

tir2023pqqc

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.36

60.30

1.913e-15

6.026e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.13

39.70

3.15

Quality:

ISO (%):

STVAR:

FMVAR:

D2

0.00

0.02

5.58

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-08-11 13:20:57.26

39.6012

10.0 km

Magnitude:

Longitude:

3.8 MLv

23.8507

Centroid Time:

Latitude:

Depth:

2023-08-11 13:20:55.65

39.5609

30.0 km

Magnitude:

Longitude:

Mo (Nm):

4.2 Mw

23.8503

2.459e+15

 

Used Stations

 

No of stations:

8

Azimuthal Gap (deg):

127.48

Min Distance (km):

92.5

Max Distance (km):

336.6

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

PLG

THE

THL

KZN

NVR

KARB

KBN

LKD2

 

N

 

-0.95

-

-2.36

0.5

-

-

0.57

0.61

 

E

 

-

0.18

-2.32

-

-

-

-0.59

0.25

 

Z

 

0.31

0.06

-1.59

-0.01

-0.3

-1.09

-

-

 

Distance (km)

 

92

137

158

193

194

245

285

290

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

58

Dip:

82

Rake:

171

NP2

Strike:

149

Dip:

81

Rake:

7

 

P-Axis

Azimuth:

104

Plunge:

0

T-Axis

Azimuth:

13

Plunge:

10

B-Axis

Azimuth:

196

Plunge:

79

 

Six Tensor

Mrr:

-4.189e+14

Mtt:

2.293e+15

Mpp:

-1.874e+15

Components

Mrt:

5.796e+14

Mrp:

-1.288e+14

Mtp:

-1.104e+15

Image

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