For official use Location of landslides triggered by the rainfall in August 2018 DISASTER EVENT ID: 06-LS-2018-Karnataka in parts of Dakshina Kannada, Kodagu, Chikmagalur and MAP ID: 2018/04 Hassan districts, Karnataka Date of Issue :07.09.2018

RA HT Based on the analysis of Post Event multitemporal high resolution satellite data AS TELANGANA Location Map R HA MA

G O A ANDHRA PRADESH Sringeri 1 KARNATAKA 2 3 Chikmagalur 4 5

6 7 8 9 Mudigere K E TAMIL NADU R A L 10 Belur A 11 The red box shows the extent of Pleiades data. Most part of the image is cloudy.

About the Event 13 12 14

N N Landslides were triggered in the Kodagu and Dakshina Kannada " 15 " 0 0

' 17 '

0 18 19 0 ° 16 ° districts of Karnataka due to heavy rain in the 3rd week of August, 3 Mangalore Belthanga!di 22 20 21 23 24 Hassan 3 1 Beltangdi26 25 1 2018. Some people were killed and several others are missing 28 30 27 32 34 33 due to this event. Several roads have been blocked due to the 29 36 landslides. The hill slopes in this area have thick soil cover, which 37 35 Alur Bantval 38 39 ! makes it prone to landslide after heavy rainfall. It appears that the 40 Sakaleshpur MANGALORE 43 42 41 landslides are mainly debris slides and debris flows. ! 44 4648 45 47 5153 4952 60 59 65 61 56 Buntwal 73 70 74 68 66 Satellite Observations 77 79 7578 72 81 Puttur 82 80 Post event satellite images such as were analysed in parts of ! Puttur 83 84 86 85 Dakshina Kannada District of Karnataka. Majority of the image 87 88 89 is having thick cloud cover. Therefore few cloud free pockets of 90 91 92 93 the image were analysed for value addition. A total of 120 new Arakalgud landslides (Chikmagalur, Hassan, Kogadu and Dakshina Kannada) 94 95 triggered by the rainfall event in Aug, 2018 were mapped. 96 97 100 98 99 Samvarpet Landslide no. 7 Sulya ! 101 Satellite data used SULYA Resourcesat-2 FMx ! Somvarpet GF-2 (02 Sept 2018) 102 (3 March 2018) Post Landslide: N N " " Satellite: 0 0

' 103 ' 0 0

3 104 3 Pre Landslide: ° ° Pleiades (0.5 m): 22-August-2018

2 107 2 1 108 1 Satellite: Resourcesat-2 106109 110 Kompsat (4 m): 22-August-2018 7 Sensor: LISS IV FMx (5.8 m) SPOT-7 (1.5 m): 23-August-2018 L 112 111 MERCARA ! Date of Pass: 03-March-2018 Pleiades (0.5 m): 25-August-2018 115 114 19-February-2018 Worldview-2 (0.46 m): 25-August-2018 V 116119 117 SPOT-6 (1.5 m): 01-September-2018 V Mercara 120 0 50 100 Pleiades (0.5 m): 01-September-2018 M GF-2 (3.2 m) : 02-September-2018 Other data used Landslide no. 56 NDEM Base layers, RGNDWM base layers GF-2 (02 Sept 2018) Resourcesat-2A FMx (19 Feburary 2018) Legend Virarajendrapet ! Landslides Districts ! City / Town name Chikmagalur L 56 L Virajpet Railway Line Dakshina Kannada National Highway Hassan State Highway Kodagu V V

N 0 100 200 N Landslide " " Satellite Footprint L µ 0 0

' M ' 0 0 ° °

2 2 V Vegetation

1 1 Taluk Boundary Landslide no. 61, 62 & 66 Landslide no. 67 & 69 Disclaimer GF-2 (02 Sept 2018) Resourcesat-2A FMx GF-2 (02 Sept 2018) Resourcesat-2A FMx (19 Feburary 2018) (19 Feburary 2018) This product is prepared on rapid mapping mode for immediate use and sharing amongst official agencies. This provides preliminary results. 67 There could be more landslides in this area. 61 L L62 L All geographic information has limitations due to the scale, resolution, cloud cover, L 69 date and interpretation of the original source materials. V V V No ground verification is done. 0 50 100 V 0 50 100 M 66 M 0 5 10 DSC / NDEM Km National Remote Sensing Centre, ISRO 75°0'0"E 75°30'0"E 76°0'0"E Dept. of Space, Govt. of India Hyderabad- 500 037 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 E-Mail: [email protected] www.nrsc.gov.in of Dakshina Kannada, Kodagu Chikmagalur and Hassan districts, Karnataka" dated 07.09.2018 DSC/NDEM Map no : 2018/04, NRSC/ISRO, Hyderabad nrsc