2004 12 26
450km 1192 26 ( ) 860km 28 Atlas of the Maldives
1.8m 1-2km 50m 50km 300-500m 10km 2000-3000m Atlas of the Maldives
82 26 4 4,000 12,000 12 26 27 3 87 19 26 188 Male 10 10cm
Kandholhudhoo (Raa atoll) Island health center (Video by Mr. Ahmed Waheed) 1 10 13 Filladhoo Kandholhudhoo Mathiveri Madifushi Kolhufushi Muli Naalaafushi Veyvah Gemendhoo Vaanee Vilufushi Mundoo Vilingili
1 31 Male 2 1 meeting Male 2 2 2 Hulhule Island (Male International Airport) & Fulhumale Island Kyodhoo (Vaavu atoll ), Muli (Meemu atoll) and Ribudhoo, Gemendhoo (Dhaalu atoll) 2 3 3 Hanimaadhoo, Kulhudhuffushi (Haa Hhaalu Aoll) Kaddhoo-Fonadhoo-Manndhoo-Gan (Laamu Atoll) Hittadhoo-Maradhoo-Feydhoo-Gan (Seenu Atoll) 2 4 2 Three Resort Islands (Laguna, Vaadhoo and Embudhoo in South Male Atoll) Male final meeting
7 1/4 1970 1.8km 2 0.8km 2 1.86( ) 2.16m( ) 2.56m 3.36m 1.46m 1.16m(, )
1.45m 09:00(local time) time tide(cm) 09:08-6.44 09:12-5.53 09:16 23.12 09:20 119.13 09:24 141.99 09.30 34.70 09:34-71.67
Inundation Area Original Male
60%
1. 2. 3.
MTV
MTV
Male Delft3D 2 Male
Computation area Whole area 34.4km 29.15km x=430m, y=530m High resolution area 8.6km 5.3km x=20m, y=20m Bottom friction:sea bottom n=0.025 Male town n=0.025 10000 3000 5000 2000 0 1000-5000 0-10000 -1000-15000 5000 10000 15000 20000 25000 30000 2000 3000 4000 5000 6000 7000 8000 9000
Boundary condition 10000 5000 0-5000 -10000 Male tsunami -15000 5000 10000 15000 20000 25000 30000 Assumed tsunami height η=2m by S Koshimura
Seawalls and Breakwaters The location of the sea walls and the breakwaters in Male
Large Area Male without seawall Male with seawall Ref: Male with seawall / without detached breakwater
Male, Male
Ref: Male with seawall / high tide
From Mr. Todd Rempel, Maldivian Air Taxi (Pte) Ltd.
Male International Airport 2.89m 2.38m 3.40m 3.68m 2.67m 3 tsunamis 1 st tsunami around 9:20 2 nd tsunami biggest A few minutes interval between 1 st and 2 nd tsunamis over 2.30m over 1.94m
Male International Airport Damaged shore protection works (Crown height of 2.30m) Eroded causeway (Crown height of 1.94m) 3.68m Construction site of new power plant 3.40m Trans Maldivian 2.89m Maldivian Air Taxi Partially collapsed seawall (Crown height of 1.80m) Damaged parapet of seawall (Crown height of 1.70m)
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Hanimaadhoo, Kulhudhuffushi (Haa Dhaalu atoll ) 1.7m time tide(cm) 09:16 10.05 09:20 12.80 09:24 24.99 09:28 60.34 09:32 124.05 09:36 179.83 09:40 182.57 09:44 131.67 09:48 67.66 09:52 20.72 09:56-6.71
Hanimadhoo 1.8m( ) Kulhudhuffushi Kulhudhuffushi 1.7m
Kulhudhuffushi
Laguna Beach Resort 1997 1998 0.8-1.4m
Vadoo Island Resort channel Vadoo channel male Atoll channel Atoll 30 0.7m
Vadoo Island Resort 9 11 Atoll exit Atoll 9 100kg
Current [relative speed] 15 10 5 0-5 -10 current WL-fluct 1.5 1 0.5 0-0.5-1 WL[cm] -15-1.5 9:00:00 10:00:00 11:00:00 12:00:00 by
Vadoo Island Resort Vadoo channel 15m ~ m 15 14~16m Vadoo channel 9:20 10:00 10 8 1m Vadoo channel 15
Embudu Village milk 1.2-1.3m
Keyodhoo (Vaavu atoll ) 2.0-2.7m
Muli Meemu atoll 3.0m 2.1m 2.6m
Ribudhoo (Dhaalu attol 3.1m 2.7m 2.3m
Gemendhoo (Dhaalu attol ) 3.1m 2.7m 2.7m,3.2m Ribudhoo Gemendhoo
Kaddhoo- Fonadhoo- Manndhoo-Gan (Laamu atoll ) 1.3-3.2m Gan Fonadhoo
Feydhoo-Gan (Seenu atoll ) Hittadhoo- Maradhoo- ( ) 1.3-2.1m ( )
time tide(cm) 09:12-12.87 09:16-11.96 09:22 3.28 09:26 45.65 09:30 45.34 09.34 79.48 09:38 27.36 09:42-5.86 0.9m
Kandhohudhoo 1.92m (Synolakis) Eydhafushi 1.6m (Synolakis) Hanimadhoo 1.7 1.9m Hinnavaru 0.94m (Synolakis) Airport 1.5 3.4m Ribudhoo 2.3 3.2m South Male 0.7-1.4m Kyodhoo Gemendhoo 2.0-2.7 2.7 3.2m Madifushi 1.87m (Synolakis) Vilufhushi 2.72m (Synolakis) Kolhufushi 2.02m (Synolakis) Muli 2.1 3.0m Fanadhoo 1.3-3.2m Hithadhoo 1.3 2.1m
Kulhudhuffushi Fulhule Male Gan
Vaavu Laamu 2-3m 1-2m 1 Male 9 12 Male 11
Keyodhoo, Maldives
Kulhudhuffushi, Maldives
Dhiffushi? Filladhoo? Guraidhoo? Eydhafushi? MALDIVES By Evening Weekly, Maldives
Kandholhudhoo, MALDIVES Male, MALDIVES
Countermeasures in the Maldives Education Understanding the basics of earthquake and tsunami Understanding that they can evacuate Understanding the way to evacuate To high place To offshore by ship Evacuation National warning system Hazard map Refuge facilities Construction Raising the ground level Refuge facilities Construction and maintenance of coastal facilities; seawall, breakwater, and so on Risk Assessment Experts of coastal engineering and hazard mitigation
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