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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-03-17 13:45:43.26 || 37.7198, 21.4616 || 14 km || 4.2 Mw

 

Event ID:

tir2023fiby

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.59

86.50

1.682e-15

6.874e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.35

13.50

4.09

Quality:

ISO (%):

STVAR:

FMVAR:

C1

0.00

0.04

13.14

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-03-17 13:45:44.37

37.8097

10.0 km

Magnitude:

Longitude:

4.3 MLv

21.4628

Centroid Time:

Latitude:

Depth:

2023-03-17 13:45:43.26

37.7198

14.0 km

Magnitude:

Longitude:

Mo (Nm):

4.2 Mw

21.4616

1.989e+15

 

Used Stations

 

No of stations:

6

Azimuthal Gap (deg):

234.69

Min Distance (km):

129.5

Max Distance (km):

519.8

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

LKD2

KZN

PLG

KARB

DDIM

BCI

 

N

 

0.77

0.28

-

-

-

-0.76

 

E

 

0.79

-

-

-

-0.03

-0.28

 

Z

 

0.68

0.33

0.64

-0.74

-10.4

-0.7

 

Distance (km)

 

130

278

332

444

512

520

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

291

Dip:

80

Rake:

-161

NP2

Strike:

198

Dip:

72

Rake:

-9

 

P-Axis

Azimuth:

156

Plunge:

19

T-Axis

Azimuth:

64

Plunge:

5

B-Axis

Azimuth:

318

Plunge:

69

 

Six Tensor

Mrr:

-3.142e+14

Mtt:

-1.057e+15

Mpp:

1.371e+15

Components

Mrt:

6.048e+14

Mrp:

2.821e+13

Mtp:

-1.429e+15

Image

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