Universitas Negeri Surabaya
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Moment Tensor Solution

 
 
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2023-07-30 16:44:33.37 || 25.2931, 121.9882 || 6 km || 4.0 Mw

 

Event ID:

gfz2023ouyu

Evaluation Mode:

automatic

Evaluation Status:

preliminary

 

Quality Metrics

 

Correlation:

DC (%):

Min Singular:

Max Singular:

0.27

77.80

1.296e-15

3.328e-15

Variance Reduction:

CLVD (%):

Condition Number:

0.07

22.20

2.57

Quality:

ISO (%):

STVAR:

FMVAR:

D2

0.00

0.01

3.43

 

Hypocenter

 
 

Centroid

 

Origin Time:

Latitude:

Depth:

2023-07-30 16:44:35.01

25.3440

10.0 km

Magnitude:

Longitude:

4.6 mb

121.9890

Centroid Time:

Latitude:

Depth:

2023-07-30 16:44:33.37

25.2931

6.0 km

Magnitude:

Longitude:

Mo (Nm):

4.0 Mw

121.9882

1.056e+15

 

Used Stations

 

No of stations:

4

Azimuthal Gap (deg):

159.94

Min Distance (km):

141.8

Max Distance (km):

1073.7

Frequencies (Hz):

0.05 - 0.06

tapered

0.04 - 0.05

and

0.06 - 0.07

 

Station

 

YOJ

JOW

HKPS

JMZ

 

N

 

0.61

-0.54

0.62

0.05

 

E

 

0.86

-

0.35

-

 

Z

 

0.2

-4.4

-0.49

-

 

Distance (km)

 

142

650

869

929

 

Waveforms

 
 

4-D Moment Tensor Grid Search

 

Best Moment Tensor Solution

 

NP1

Strike:

128

Dip:

43

Rake:

-93

NP2

Strike:

312

Dip:

46

Rake:

-87

 

P-Axis

Azimuth:

268

Plunge:

87

T-Axis

Azimuth:

40

Plunge:

1

B-Axis

Azimuth:

130

Plunge:

2

 

Six Tensor

Mrr:

-1.108e+15

Mtt:

6.198e+14

Mpp:

4.879e+14

Components

Mrt:

2.409e+13

Mrp:

-8.064e+13

Mtp:

-4.271e+14

Image

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