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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-04-10 22:35:40.63 || 34.3557, 26.9347 || 2 km || 4.3 Mw

 

Event ID:

tir2023hapn

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.27

88.30

3.230e-16

2.445e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.07

11.70

7.57

Quality:

ISO (%):

STVAR:

FMVAR:

D1

0.00

0.00

4.56

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-04-10 22:35:41.07

34.3302

10.0 km

Magnitude:

Longitude:

5.1 mB

26.9343

Centroid Time:

Latitude:

Depth:

2023-04-10 22:35:40.63

34.3557

2.0 km

Magnitude:

Longitude:

Mo (Nm):

4.3 Mw

26.9347

3.377e+15

 

Used Stations

 

No of stations:

4

Azimuthal Gap (deg):

308.74

Min Distance (km):

418.7

Max Distance (km):

997.9

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

DDIM

VLS

KZN

VLO

 

N

 

-

-

0.2

0.05

 

E

 

-

0.06

-0.28

0.03

 

Z

 

0.06

-0.04

0.07

0.74

 

Distance (km)

 

419

755

863

998

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

318

Dip:

2

Rake:

-3

NP2

Strike:

52

Dip:

89

Rake:

-93

 

P-Axis

Azimuth:

320

Plunge:

45

T-Axis

Azimuth:

145

Plunge:

44

B-Axis

Azimuth:

52

Plunge:

2

 

Six Tensor

Mrr:

7.238e+13

Mtt:

2.009e+14

Mpp:

-2.733e+14

Components

Mrt:

-2.697e+15

Mrp:

-2.015e+15

Mtp:

1.043e+14

Image

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