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Institute of Geosciences

 
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Moment Tensor Solution

 
 
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2023-09-15 22:57:12.69 || 36.5704, 23.6353 || 159 km || 4.1 Mw

 

Event ID:

tir2023sdhs

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.18

66.60

1.300e-16

7.962e-16

Variance Reduction:

CLVD (%):

Condition Number:

0.03

33.40

6.13

Quality:

ISO (%):

STVAR:

FMVAR:

D2

0.00

0.05

3.20

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-09-15 22:57:12.00

36.6424

189.4 km

Magnitude:

Longitude:

4.3 mb

23.6353

Centroid Time:

Latitude:

Depth:

2023-09-15 22:57:12.69

36.5704

159.4 km

Magnitude:

Longitude:

Mo (Nm):

4.1 Mw

23.6353

1.411e+15

 

Used Stations

 

No of stations:

6

Azimuthal Gap (deg):

220.05

Min Distance (km):

333.3

Max Distance (km):

819.4

Frequencies (Hz):

0.05 - 0.08

tapered

0.04 - 0.05

and

0.08 - 0.09

 

Station

 

DDIM

LKD2

KZN

TPE

NVR

AKAS

 

N

 

-

-

-0.05

0.0

-

-

 

E

 

-

0.06

-

-0.0

-

0.09

 

Z

 

0.12

0.05

-0.1

-0.17

-0.14

-

 

Distance (km)

 

333

354

437

514

523

537

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

288

Dip:

29

Rake:

-153

NP2

Strike:

174

Dip:

76

Rake:

-62

 

P-Axis

Azimuth:

115

Plunge:

50

T-Axis

Azimuth:

243

Plunge:

26

B-Axis

Azimuth:

347

Plunge:

26

 

Six Tensor

Mrr:

-4.922e+14

Mtt:

-4.379e+13

Mpp:

5.360e+14

Components

Mrt:

-1.118e+14

Mrp:

1.092e+15

Mtp:

-7.225e+14

Image

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