Location of landslides triggered by the rainfall in …...Location of landslides triggered by the...
Transcript of Location of landslides triggered by the rainfall in …...Location of landslides triggered by the...
Location of landslides triggered by the rainfall in August 2018in parts of Dakshina Kannada, Kodagu, Chikmagalur and
Hassan districts, KarnatakaBased on the analysis of Post Event multitemporal high resolution satellite data
DSC / NDEMNational Remote Sensing Centre, ISRO Dept. of Space, Govt. of IndiaHyderabad- 500 037E-Mail: [email protected] nrsc
Landslides were triggered in the Kodagu and Dakshina Kannada districts of Karnataka due to heavy rain in the 3rd week of August, 2018. Some people were killed and several others are missing due to this event. Several roads have been blocked due to the landslides. The hill slopes in this area have thick soil cover, whichmakes it prone to landslide after heavy rainfall. It appears that the landslides are mainly debris slides and debris flows.
Location Map
Pre Landslide:Satellite: Resourcesat-2Sensor: LISS IV FMx (5.8 m)Date of Pass: 03-March-2018 19-February-2018
This product is prepared on rapid mapping mode for immediate useand sharing amongst official agencies. This provides preliminary results.There could be more landslides in this area.All geographic information has limitations due to the scale, resolution, cloud cover,date and interpretation of the original source materials. No ground verification is done.
MAP ID: 2018/04DISASTER EVENT ID: 06-LS-2018-Karnataka
Post event satellite images such as were analysed in parts of Dakshina Kannada District of Karnataka. Majority of the image is having thick cloud cover. Therefore few cloud free pockets of the image were analysed for value addition. A total of 120 new landslides (Chikmagalur, Hassan, Kogadu and Dakshina Kannada)triggered by the rainfall event in Aug, 2018 were mapped.
KARNATAKA
TAMIL NADU
ANDHRA PRADESH
TELANGANA
KERALA
MAHARASHTRA
GOA
Satellite Observations
About the Event
Satellite data used
Other data used
Post Landslide:Satellite: Pleiades (0.5 m): 22-August-2018 Kompsat (4 m): 22-August-2018 SPOT-7 (1.5 m): 23-August-2018 Pleiades (0.5 m): 25-August-2018 Worldview-2 (0.46 m): 25-August-2018 SPOT-6 (1.5 m): 01-September-2018 Pleiades (0.5 m): 01-September-2018 GF-2 (3.2 m) : 02-September-2018
For official use
!
!
!
!
!
!
!
!
Virajpet
Mercara
Puttur
Belur
Sulya
Mudigere
Belthangadi
Alur
Somvarpet
Buntwal
Sakaleshpur
Mangalore Hassan
Arakalgud
ChikmagalurSringeri
9 876
54
321
999897 96
9594
93 92919089 8887 86 8584
83 8281 80
79 7877 757473
7270 68
6665 6160 59 5653 5251 4948 4746 4544 43 42 4140
3938 37 363534 333230
29
2827
26 25 242322 2120 1918171615
1413 12
11 10
120119 117116
115 114
112 111110109 108107
106104
103
102101
100
SULYA
Puttur
Bantval
MERCARA
Beltangdi
Samvarpet
MANGALORE
Virarajendrapet
76°0'0"E75°30'0"E75°0'0"E
13°0
'0"N
13°0
'0"N
12°3
0'0"N
12°3
0'0"N
12°0
'0"N
12°0
'0"N
Date of Issue :07.09.2018
Note: When publishing this map as part of any report, source may be indicated as "Location of landslides triggered by the rainfall in August 2018 in parts of Dakshina Kannada, Kodagu Chikmagalur and Hassan districts, Karnataka" dated 07.09.2018 DSC/NDEM Map no : 2018/04, NRSC/ISRO, Hyderabad
NDEM Base layers, RGNDWM base layers
µ56 L
LV
LandslideVegetation
The red box shows the extent of Pleiades data. Most part of the image is cloudy.
69
67L
GF-2 (02 Sept 2018) Resourcesat-2A FMx (19 Feburary 2018)
0 200100M
0 10050M
Landslide no. 67 & 69
Landslide no. 56
Disclaimer
V
V
0 105Km
L
V
GF-2 (02 Sept 2018) Resourcesat-2A FMx (19 Feburary 2018)
66
6261 L
0 10050M
Landslide no. 61, 62 & 66
V
GF-2 (02 Sept 2018) Resourcesat-2A FMx (19 Feburary 2018)
L
V
L
V
7L
0 10050M
Landslide no. 7
V
GF-2 (02 Sept 2018) Resourcesat-2 FMx (3 March 2018)
V
LegendLandslides
Taluk Boundary
DistrictsChikmagalurDakshina KannadaHassanKodagu
! City / Town nameRailway LineNational HighwayState HighwaySatellite Footprint