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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-03-26 20:58:49.21 || 40.3490, 20.8468 || 35 km || 3.9 Mw

 

Event ID:

tir2023fzbu

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.19

96.20

1.113e-15

4.735e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.03

3.80

4.25

Quality:

ISO (%):

STVAR:

FMVAR:

D1

0.00

0.11

20.34

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-03-26 20:58:45.30

40.3892

5.0 km

Magnitude:

Longitude:

2.5 MLv

20.8457

Centroid Time:

Latitude:

Depth:

2023-03-26 20:58:49.21

40.3490

35.0 km

Magnitude:

Longitude:

Mo (Nm):

3.9 Mw

20.8468

8.639e+14

 

Used Stations

 

No of stations:

7

Azimuthal Gap (deg):

96.85

Min Distance (km):

17.5

Max Distance (km):

229.1

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

KPRO

TPE

KZN

IGT

VLO

THE

BCI

 

N

 

-

-

-16.45

-

-

-

-1.44

 

E

 

-

-

-

-5.09

-

0.03

-

 

Z

 

-61.3

-84.61

-

-46.84

-36.45

0.17

-5.65

 

Distance (km)

 

65

71

80

105

114

181

229

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

200

Dip:

29

Rake:

126

NP2

Strike:

340

Dip:

66

Rake:

71

 

P-Axis

Azimuth:

84

Plunge:

19

T-Axis

Azimuth:

220

Plunge:

63

B-Axis

Azimuth:

347

Plunge:

16

 

Six Tensor

Mrr:

5.865e+14

Mtt:

1.033e+14

Mpp:

-6.899e+14

Components

Mrt:

-2.828e+14

Mrp:

5.010e+14

Mtp:

-4.563e+11

Image

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