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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-09-09 05:25:02.46 || 42.2751, 24.0623 || 40 km || 4.1 Mw

 

Event ID:

tir2023rqzz

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.11

96.30

5.110e-16

1.489e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.01

3.70

2.91

Quality:

ISO (%):

STVAR:

FMVAR:

D1

0.00

0.01

2.81

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-09-09 05:24:58.17

42.2738

10.0 km

Magnitude:

Longitude:

4.0 MLv

24.1998

Centroid Time:

Latitude:

Depth:

2023-09-09 05:25:02.46

42.2751

40.0 km

Magnitude:

Longitude:

Mo (Nm):

4.1 Mw

24.0623

1.425e+15

 

Used Stations

 

No of stations:

9

Azimuthal Gap (deg):

209.12

Min Distance (km):

144.9

Max Distance (km):

783.2

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

KIRK

PLG

GMRK

KZN

KARB

KBN

SJES

DDIM

VLS

 

N

 

-

-

0.03

-0.03

-

-0.33

-

-

-

 

E

 

-

0.02

-

-0.05

0.02

-0.03

-

-0.08

-

 

Z

 

-1.07

-0.03

-0.03

-0.18

-

-0.01

0.07

0.02

-0.03

 

Distance (km)

 

145

316

372

421

444

471

478

588

661

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

176

Dip:

87

Rake:

174

NP2

Strike:

266

Dip:

84

Rake:

2

 

P-Axis

Azimuth:

221

Plunge:

2

T-Axis

Azimuth:

131

Plunge:

5

B-Axis

Azimuth:

332

Plunge:

84

 

Six Tensor

Mrr:

3.737e+13

Mtt:

-1.955e+14

Mpp:

1.581e+14

Components

Mrt:

-4.704e+13

Mrp:

-1.326e+14

Mtp:

1.406e+15

Image

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