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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-09-25 01:09:19.46 || 38.2026, 22.7222 || 30 km || 4.0 Mw

 

Event ID:

tir2023stxp

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.12

58.20

1.713e-15

4.936e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.01

41.80

2.88

Quality:

ISO (%):

STVAR:

FMVAR:

D2

0.00

0.04

53.25

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-09-25 01:09:15.54

38.2023

10.0 km

Magnitude:

Longitude:

3.7 MLv

22.7734

Centroid Time:

Latitude:

Depth:

2023-09-25 01:09:19.46

38.2026

30.0 km

Magnitude:

Longitude:

Mo (Nm):

4.0 Mw

22.7222

9.544e+14

 

Used Stations

 

No of stations:

8

Azimuthal Gap (deg):

190.11

Min Distance (km):

165.0

Max Distance (km):

349.4

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

THL

VLS

PLG

KZN

IGT

THE

SRN

KARB

 

N

 

-0.54

-

0.07

0.24

0.24

0.03

-

-

 

E

 

-1.23

-

0.0

-2.8

-0.14

0.03

-0.68

-

 

Z

 

0.12

-6.08

-0.05

0.07

-

-0.03

-

-3.43

 

Distance (km)

 

165

191

248

248

258

270

304

322

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

286

Dip:

43

Rake:

-120

NP2

Strike:

145

Dip:

53

Rake:

-64

 

P-Axis

Azimuth:

112

Plunge:

68

T-Axis

Azimuth:

217

Plunge:

5

B-Axis

Azimuth:

309

Plunge:

20

 

Six Tensor

Mrr:

-7.337e+14

Mtt:

5.506e+14

Mpp:

1.831e+14

Components

Mrt:

-1.876e+13

Mrp:

2.663e+14

Mtp:

-6.341e+14

Image

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