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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-09-17 06:58:11.95 || 40.4940, 21.2888 || 30 km || 3.4 Mw

 

Event ID:

tir2023sftc

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.06

53.10

4.448e-15

1.146e-14

Variance Reduction:

CLVD (%):

Condition Number:

0.00

46.90

2.58

Quality:

ISO (%):

STVAR:

FMVAR:

D2

0.00

0.04

11.95

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-09-17 06:58:10.44

40.4580

10.0 km

Magnitude:

Longitude:

3.2 MLv

21.2888

Centroid Time:

Latitude:

Depth:

2023-09-17 06:58:11.95

40.4940

30.0 km

Magnitude:

Longitude:

Mo (Nm):

3.4 Mw

21.2888

1.265e+14

 

Used Stations

 

No of stations:

13

Azimuthal Gap (deg):

66.00

Min Distance (km):

45.3

Max Distance (km):

330.0

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

KZN

KBN

KPRO

THL

SRN

IGT

AL06A

THE

PHP

PLG

NVR

ULC

SJES

 

N

 

-

-1.27

-

-

0.03

-0.02

-

0.02

-

-

-

-0.02

0.14

 

E

 

-

-0.85

0.54

0.04

-1.11

-

-

0.0

-

-

-

-0.09

-0.03

 

Z

 

-0.13

-0.13

0.39

-0.12

-

-

-1.24

-

-0.06

-0.49

-2.84

0.04

-

 

Distance (km)

 

45

46

56

117

127

132

136

143

154

183

238

240

330

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

302

Dip:

64

Rake:

-115

NP2

Strike:

170

Dip:

35

Rake:

-47

 

P-Axis

Azimuth:

172

Plunge:

61

T-Axis

Azimuth:

50

Plunge:

16

B-Axis

Azimuth:

313

Plunge:

22

 

Six Tensor

Mrr:

-7.662e+13

Mtt:

1.466e+13

Mpp:

6.197e+13

Components

Mrt:

6.016e+13

Mrp:

-3.177e+13

Mtp:

-8.005e+13

Image

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