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1) SAR interferograms published here are analyzed by GSI. The Ministry of Economy, Trade and Industry (METI) and the Japan Aerospace Exploration Agency (JAXA) retain ownership of ALOS/PALSAR data. If you cite a PALSAR interferogram, please indicate that interest and clearly write credit titles on the interferogram as follows. "Analysis by GSI from ALOS raw data of JAXA, METI".

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Padang Earthquake (2009/9/30,M7.6)

How to understand the SAR interferogram

No. Interferogram Specifications Comments Down
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1 Click image to enlarge Observation date 2009/02/20
2009/10/08

The phase variation caused by the ionosphere disturbance appears. There is no deformation which is distinguishable from noise.

Accuracy of the used orbit data:High precision orbit data.

Observation Mode FBS/HH
FBD/HH
Orbital direction Ascending
Off-nadir
[degree]
34.3
Baseline[m]
(Bperp)
+142
Range
(lat/lon)
-1.635/0.027/
100.435/101.37875
2 Click image to enlarge Observation date 2008/10/07
2009/10/10

There is no deformation which is distinguishable from noise.


Accuracy of the used orbit data:High precision orbit data.

Observation Mode FBS/HH
FBS/HH
Orbital direction Descending
Off-nadir
[degree]
34.3
Baseline[m]
(Bperp)
-407
Range
(lat/lon)
-2.16/-0.002/
100.50625/101.48
3 Click image to enlarge Observation date 2009/08/28
2009/10/13

There is no deformation which is distinguishable from noise.

Accuracy of the used orbit data:High precision orbit data.

Observation Mode FBD/HH
FBD/HH
Orbital direction Ascending
Off-nadir
[degree]
34.3
Baseline[m]
(Bperp)
-398
Range
(lat/lon)
-2.86/-1.25/
99.06/100.13
4 Click image to enlarge Observation date 2008/11/27
2009/10/15

There is no deformation which is distinguishable from noise.

Accuracy of the used orbit data:High precision orbit data.

Observation Mode FBS/HH
FBS/HH
Orbital direction Descending
Off-nadir
[degree]
34.3
Baseline[m]
(Bperp)
-308
Range
(lat/lon)
-1.972/-1.089/
98.85/99.36375
5 Click image to enlarge Observation date 2006/10/10
2009/10/18

There is no deformation which is distinguishable from noise.

Accuracy of the used orbit data:High precision orbit data.

Observation Mode FBS/HH
FBS/HH
Orbital direction Ascending
Off-nadir
[degree]
41.5
Baseline[m]
(Bperp)
-456
Range
(lat/lon)
-2.42/-0.9/
98.85/99.88
6 Click image to enlarge Observation date 2009/09/09
2009/10/25

There is no deformation which is distinguishable from noise.

Accuracy of the used orbit data:High precision orbit data.

Observation Mode FBD/HH
FBD/HH
Orbital direction Ascending
Off-nadir
[degree]
34.3
Baseline[m]
(Bperp)
+12
Range
(lat/lon)
-1.54/-0.44/
100.03/100.92

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