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Haiti Earthquake(2010/1/12,M7.0)

How to understand the SAR interferogram

No. Interferogram Specifications Comments Down
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1 Click image to enlarge Observation date 2010/01/13
2010/02/28

A pair shortly after the earthquake. 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]
25.8
Baseline[m]
(Bperp)
+94
Range
(lat/lon)
18.17/19.61/
-72.68/-71.72
2 Click image to enlarge Observation date 2008/02/09
2010/02/14

The obvious crustal deformation caused by the earthquake appears. In particular, in the northern coast of the south side land, the large crustal deformation appears. The Line-of-sight (LOS) displacement toward the satellite amounts to about 70 cm.

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

Observation Mode FBS/HH
FBS/HH
Orbital direction Ascending
Off-nadir
[degree]
34.3
Baseline[m]
(Bperp)
-426
Range
(lat/lon)
18.14/19.40/
-72.95/-72.14
3 Click image to enlarge Observation date 2009/09/12
2010/01/28

There is the phase change around the bay (left of center in this image) which may be caused by the earthquake, although it's in the same range of noise.

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)
+807
Range
(lat/lon)
18.20/19.39/
-72.5/-71.64
4 Click image to enlarge Observation date 2009/03/09
2010/01/25

The obvious 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)
+806
Range
(lat/lon)
18.14/19.37/
-73.06/-72.07
5 Click image to enlarge Observation date 2009/02/28
2010/01/16

The crustal deformation caused by the earthquake appears in the eastern part of the south side land.

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

Observation Mode FBS/HH
FBS/HH
Orbital direction Ascending
Off-nadir
[degree]
34.3
Baseline[m]
(Bperp)
+1,048
Range
(lat/lon)
18.14/19.08/
-73.43/-72.62
6 Click image to enlarge Observation date 2007/10/11
2010/01/16

The crustal deformation caused by the earthquake appears in the eastern part of the south side land.

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)
-266
Range
(lat/lon)
18.14/19.08/
-73.42/-72.61

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