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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-05-21 00:25:42.05 || 39.0834, 21.3372 || 30 km || 3.8 Mw

 

Event ID:

tir2023jvvh

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.10

53.90

3.880e-15

8.032e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.01

46.10

2.07

Quality:

ISO (%):

STVAR:

FMVAR:

D2

0.00

0.24

13.20

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-05-21 00:25:42.45

39.1343

10.0 km

Magnitude:

Longitude:

3.0 MLv

21.3381

Centroid Time:

Latitude:

Depth:

2023-05-21 00:25:42.05

39.0834

30.0 km

Magnitude:

Longitude:

Mo (Nm):

3.8 Mw

21.3372

4.988e+14

 

Used Stations

 

No of stations:

10

Azimuthal Gap (deg):

159.76

Min Distance (km):

70.3

Max Distance (km):

345.3

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

LKD2

THL

IGT

VLS

LSK

KZN

SRN

AL05A

THE

PLG

 

N

 

-7.48

-3.11

0.03

-

-0.45

-4.82

-0.42

-0.37

-0.04

-0.01

 

E

 

-

-

-0.13

-

-

-0.17

-0.99

-

0.01

0.04

 

Z

 

-

-4.9

-0.87

-5.49

-2.2

-6.44

-1.38

-1.39

0.03

0.01

 

Distance (km)

 

70

75

98

125

129

135

141

192

217

227

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

322

Dip:

50

Rake:

-63

NP2

Strike:

103

Dip:

46

Rake:

-118

 

P-Axis

Azimuth:

296

Plunge:

69

T-Axis

Azimuth:

33

Plunge:

2

B-Axis

Azimuth:

124

Plunge:

20

 

Six Tensor

Mrr:

-3.852e+14

Mtt:

3.359e+14

Mpp:

4.924e+13

Components

Mrt:

-2.002e+13

Mrp:

-1.031e+14

Mtp:

-3.255e+14

Image

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