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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-07-19 11:44:48.09 || 40.8425, 20.6123 || 4 km || 2.9 Mw

 

Event ID:

tir2023oamj

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.15

86.00

2.559e-15

6.905e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.02

14.00

2.70

Quality:

ISO (%):

STVAR:

FMVAR:

D1

0.00

0.03

19.07

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-07-19 11:44:46.58

40.8425

10.0 km

Magnitude:

Longitude:

2.6 MLv

20.6360

Centroid Time:

Latitude:

Depth:

2023-07-19 11:44:48.09

40.8425

4.0 km

Magnitude:

Longitude:

Mo (Nm):

2.9 Mw

20.6123

2.445e+13

 

Used Stations

 

No of stations:

4

Azimuthal Gap (deg):

134.83

Min Distance (km):

114.0

Max Distance (km):

228.0

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

KZN

IGT

SDA

LKD2

 

N

 

-

-

-

-

 

E

 

-

-

0.02

0.02

 

Z

 

0.12

0.16

-

-

 

Distance (km)

 

114

148

164

228

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

77

Dip:

48

Rake:

-65

NP2

Strike:

223

Dip:

47

Rake:

-114

 

P-Axis

Azimuth:

58

Plunge:

72

T-Axis

Azimuth:

150

Plunge:

0

B-Axis

Azimuth:

240

Plunge:

17

 

Six Tensor

Mrr:

-2.148e+13

Mtt:

1.815e+13

Mpp:

3.331e+12

Components

Mrt:

-3.458e+12

Mrp:

5.330e+12

Mtp:

1.252e+13

Image

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