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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-01-09 02:50:38.86 || 40.2882, 19.5847 || 20 km || 4.2 Mw

 

Event ID:

tir2023aovr

Evaluation Mode:

automatic

Evaluation Status:

reviewed

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.87

84.40

4.581e-15

2.842e-14

Variance Reduction:

CLVD (%):

Condition Number:

0.75

15.60

6.20

Quality:

ISO (%):

STVAR:

FMVAR:

A1

0.00

0.04

17.40

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-01-09 02:50:40.47

40.3391

10.0 km

Magnitude:

Longitude:

3.8 MLv

19.5838

Centroid Time:

Latitude:

Depth:

2023-01-09 02:50:38.86

40.2882

20.0 km

Magnitude:

Longitude:

Mo (Nm):

4.2 Mw

19.5847

2.181e+15

 

Used Stations

 

No of stations:

8

Azimuthal Gap (deg):

182.50

Min Distance (km):

16.2

Max Distance (km):

228.8

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

VLO

TPE

BPA2

SRN

NEST

LACI

KZN

LKD2

 

N

 

0.82

-

-

-0.11

-

-62.09

-

-8.75

 

E

 

-

-0.05

-

-10.05

-

-30.5

-

-

 

Z

 

0.81

-2.88

-

-11.71

-

-57.75

-

-21.27

 

Distance (km)

 

16

38

44

62

125

144

187

195

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

180

Dip:

47

Rake:

147

NP2

Strike:

293

Dip:

66

Rake:

46

 

P-Axis

Azimuth:

52

Plunge:

11

T-Axis

Azimuth:

155

Plunge:

49

B-Axis

Azimuth:

313

Plunge:

38

 

Six Tensor

Mrr:

1.179e+15

Mtt:

-2.465e+12

Mpp:

-1.177e+15

Components

Mrt:

-1.140e+15

Mrp:

-2.199e+13

Mtp:

1.439e+15

Image

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