Piton de La Fournaise Volcano (Reunion Island)
How to understand the SAR interferogram
No. |
Interferogram |
Specifications |
Comments |
Down load |
1 |
|
Observation date |
2006/06/23 2006/08/08 |
The crustal deformation caused by the volcanic activity appears in the southeast of the crater. The maximum Line-of-sight (LOS) displacement far from the satellite amounts to about 7 cm.
|
|
Observation Mode |
FBS/HH FBS/HH |
Orbital direction |
Ascending |
Off-nadir [degree] |
41.5 |
Baseline[m] (Bperp) |
+1,179 |
Range (lat/lon) |
-21.30/-21.20/ 55.67/55.78 |
2 |
|
Observation date |
2006/10/05 2007/02/20 |
The phase disturbance caused by the water vapor in the atmosphere appears both in the east and west slope of the crater.
The crustal deformation caused by the volcanic activity appears in the southwest slope of the crater. The maximum Line-of-sight (LOS) displacement toward the satellite amounts to about 10 cm.
|
|
Observation Mode |
FBD/HH FBD/HH |
Orbital direction |
Ascending |
Off-nadir [degree] |
38.8 |
Baseline[m] (Bperp) |
+1,188 |
Range (lat/lon) |
-21.30/-21.20/ 55.67/55.78 |
3 |
|
Observation date |
2007/03/21 2007/08/06 |
The obvious crustal deformation caused by the eruption in April 2007 appears.
*See the contour map of deformation
|
|
Observation Mode |
FBS/HH FBD/HH |
Orbital direction |
Ascending |
Off-nadir [degree] |
34.3 |
Baseline[m] (Bperp) |
-71 |
Range (lat/lon) |
-21.30/-21.20/ 55.67/55.78 |