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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".

2) If you download a image file, please click the target that you want to save, right-click the image displayed on the screen, and select "Save Target As".


● These images may include radio wave propagation delay.

New Zealand's South Island Earthquake(2010/9/4.M7.0 ,2011/2/22,M6.3)

How to understand the SAR interferogram

No. Interferogram Specifications Comments Down
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1 2011.02.27up Click image to enlarge Observation date 2008/03/05
2010/09/11

There is the phase change around the center this image which may be caused by the earthquake.

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

Observation Mode FBS/HH
FBD/HH
Orbital direction Ascending
Off-nadir
[degree]
34.3
Path
Frame
336
6290-6300
Baseline[m]
(Bperp)
+36
Range
(lat/lon)
-43.8/-43.4/
172.0/173.0
2 2011.02.27up Click image to enlarge Observation date 2011/01/10
2011/02/25

There is the phase change around the center this image which may be caused by the earthquake.

Accuracy of the used orbit data:RARR

Observation Mode FBS/HH
FBS/HH
Orbital direction Ascending
Off-nadir
[degree]
34.3
Path
Frame
335
6300
Baseline[m]
(Bperp)
-356
Range
(lat/lon)
-43.8/-43.4/
172.0/173.0

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