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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-10-23 10:49:21.46 || 41.9948, 20.5931 || 720 km || 5.1 Mw

 

Event ID:

tir2023utuv

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.16

81.60

1.128e-17

2.583e-16

Variance Reduction:

CLVD (%):

Condition Number:

0.03

18.40

22.90

Quality:

ISO (%):

STVAR:

FMVAR:

D1

0.00

0.03

2.51

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-10-23 10:49:19.23

41.9941

750.0 km

Magnitude:

Longitude:

2.7 MLv

20.6616

Centroid Time:

Latitude:

Depth:

2023-10-23 10:49:21.46

41.9948

720.0 km

Magnitude:

Longitude:

Mo (Nm):

5.1 Mw

20.5931

5.256e+16

 

Used Stations

 

No of stations:

4

Azimuthal Gap (deg):

181.33

Min Distance (km):

87.0

Max Distance (km):

294.8

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

GMRK

VLO

KZN

NVR

 

N

 

-

-0.0

-0.04

-

 

E

 

-

-

-

0.06

 

Z

 

0.02

0.16

-0.05

-

 

Distance (km)

 

87

196

210

276

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

134

Dip:

88

Rake:

-23

NP2

Strike:

225

Dip:

66

Rake:

-178

 

P-Axis

Azimuth:

87

Plunge:

17

T-Axis

Azimuth:

182

Plunge:

15

B-Axis

Azimuth:

311

Plunge:

66

 

Six Tensor

Mrr:

2.783e+15

Mtt:

4.662e+16

Mpp:

-4.940e+16

Components

Mrt:

-1.211e+16

Mrp:

1.746e+16

Mtp:

1.022e+15

Image

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