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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-12-17 07:57:12.60 || 41.2012, 22.8089 || 82 km || 4.5 Mw

 

Event ID:

tir2023yqbv

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.21

80.90

5.738e-16

2.416e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.04

19.10

4.21

Quality:

ISO (%):

STVAR:

FMVAR:

D1

0.00

0.12

6.61

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-12-17 07:57:13.48

41.2006

61.6 km

Magnitude:

Longitude:

3.2 MLv

22.8765

Centroid Time:

Latitude:

Depth:

2023-12-17 07:57:12.60

41.2012

81.6 km

Magnitude:

Longitude:

Mo (Nm):

4.5 Mw

22.8089

5.562e+15

 

Used Stations

 

No of stations:

8

Azimuthal Gap (deg):

178.00

Min Distance (km):

48.3

Max Distance (km):

331.4

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

GRG

THE

PLG

KZN

KBN

BARS

BCI

ULC

 

N

 

-

-0.42

0.01

-0.42

-1.45

-

-1.91

-4.0

 

E

 

-0.1

0.0

-0.01

-0.87

-1.67

-

-

-0.05

 

Z

 

-

-

0.18

-

-

0.09

0.21

-

 

Distance (km)

 

48

64

104

136

187

200

266

314

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

23

Dip:

83

Rake:

43

NP2

Strike:

287

Dip:

46

Rake:

171

 

P-Axis

Azimuth:

147

Plunge:

23

T-Axis

Azimuth:

254

Plunge:

34

B-Axis

Azimuth:

29

Plunge:

46

 

Six Tensor

Mrr:

9.935e+14

Mtt:

-3.019e+15

Mpp:

2.026e+15

Components

Mrt:

1.420e+15

Mrp:

3.377e+15

Mtp:

-3.227e+15

Image

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