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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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South Sumatra Earthquake (2009/10/1,M6.6)

How to understand the SAR interferogram

No. Interferogram Specifications Comments Down
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1 Click image to enlarge Observation date 2008/11/17
2009/10/05

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)
-133
Range
(lat/lon)
-3.64/-1.98/
101.73/102.66
2 Click image to enlarge Observation date 2008/10/05
2009/10/08

There is the phase disturbance caused by the noise, but the crustal deformation caused by the earthquake appears in the center of image.

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)
-22
Range
(lat/lon)
-3.033/-1.939/
100.9075/101.7525
3 Click image to enlarge Observation date 2009/02/20
2009/10/08

There is the phase disturbance caused by the noise, but the crustal deformation caused by the earthquake appears in the center of image.


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)
+74
Range
(lat/lon)
-3.035/-1.929/
100.96625/101.80625
4 Click image to enlarge Observation date 2009/01/19
2009/10/22

The crustal deformation caused by the earthquake appears.

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)
-177
Range
(lat/lon)
-3.452/-1.481/
101.3/102.30125
5 Click image to enlarge Observation date 2009/09/21
2009/11/06

The crustal deformation caused by the earthquake appears.

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

Observation Mode FBD/HH
FBS/HH
Orbital direction Ascending
Off-nadir
[degree]
34.3
Baseline[m]
(Bperp)
+198
Range
(lat/lon)
-2.84/-1.97/
101.41/102.23
6 Click image to enlarge Observation date 2008/11/05
2009/11/08

The crustal deformation caused by the earthquake appears.

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)
-232
Range
(lat/lon)
-3.0/-1.491/
100.8975/101.75625

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