indian ocean disaster sumatra earthquake tsunami survey report on phuket, khao lak, phi phi island...
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Indian Ocean DisasterIndian Ocean DisasterSumatra Earthquake Tsunami Sumatra Earthquake Tsunami
Survey Report onSurvey Report onPhuket, Khao Lak, Phi Phi Phuket, Khao Lak, Phi Phi Island in ThailandIsland in Thailand
Kenji HARADAKenji HARADA
DRS, DPRI, Kyoto Univ.DRS, DPRI, Kyoto Univ.
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 2
By Okumura, Suzuki, DRS, DPRI, Kyoto Univ.
http://www.drs.dpri.kyoto-u.ac.jp/sumatra/
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 3
Contents of today’s Contents of today’s presentationpresentation
Event information of disasterEvent information of disaster EarthquakeEarthquake
Tsunami Numerical SimulationTsunami Numerical Simulation Tsunami PropagationTsunami Propagation Maximum Tsunami heightMaximum Tsunami height Topogrophic Topogrophic
Tsunami field survey around PhuketTsunami field survey around Phuket Tsunami heightTsunami height Damages by TsunamiDamages by Tsunami Casuality by TsuanmiCasuality by Tsuanmi
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 4
Sumatra EarthquakeSumatra Earthquake Mw=9.0Mw=9.0 Date: Dec. 26, 2004 Date: Dec. 26, 2004
at 00:58:53AM(UTC), 07:58:53(Local at 00:58:53AM(UTC), 07:58:53(Local time)time)
LocationLocation Off the west coast of Northern Sumatra Off the west coast of Northern Sumatra
(3.316°N, 95.854°E)(3.316°N, 95.854°E) Depth: 30kmDepth: 30km
http://earthquake.usgs.gov/eqinthenews/2004/usslav/http://earthquake.usgs.gov/eqinthenews/2004/usslav/
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 5
Earthquake & Earthquake & TopographyTopography
By M. Matsuyama, CRIEPI
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 6
Earthquake & Earthquake & TopographyTopography
By M. Matsuyama, CRIEPI
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 7
Deformation, initial Deformation, initial tsunamitsunami
south north
L(km) 500 500
W(km) 200 200
depth(km) 28.6 28.6
Strike 329 360
Dip 8 8
Slip 10 10
Dislocation(m)
5.0 5.0
Mo(dyne cm) 4.0E29
Harvard Univ.
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 8
Result 1Result 1
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 9
Result 2Result 2
MPMD-2005Jan. 15, 2005
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Result 3Result 3
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 11
Map of Survey AreaMap of Survey Area
Khao Lak
Phi Phi Is.
MPMD-2005Jan. 15, 2005
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Survey ResultSurvey Resulthttp://www.drs.dpri.kyoto-u.ac.jp/sumatra/
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 13
Topography of Andaman Topography of Andaman SeaSea
-1000.0
-500.0
-2000.0
-5000 -4000 -3000 -2000 -1000 0Sea depth (m)
Sumatra Is.Sumatra Is.
Khao LakKhao LakPhuket Is.Phuket Is.
Tsunami would be propagate on shelf, after the direction was changed by characteristic topography between Phuket and north Sumatra. By the effect of topography, Tsunami height around Khao Lak would be come to higher than other coast.
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 14
Building DamageBuilding Damage
at Khao Lak
Tsunami
Roof tileRoof tile are washed away by Tsunami
Tsunami height = Tsunami height = 8.88.8 m mfrom sea level
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 15
Building DamageBuilding Damage RC ColumnRC Column
WallWall
•Stacked BricksStacked Bricks
•Can’t resist Can’t resist tsunami pressuretsunami pressure
at Khao Lak
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 16
Tsunami RunupTsunami Runup
•Tsunami run up mountain foot
•Vegetation are die down by Tsunami(salt water)
at Khao Lak
Tsunami height 9.6m≒Tsunami height 9.6m≒Runup distance 300m ≒Runup distance 300m ≒from shorelinefrom shoreline
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 17
Phi Phi IslandPhi Phi IslandN
S
Phi Phi Island has sandbar at central part.Ground Elevation of sandbar is very low(a few meter) and narrow.North side have sand beach and very North side have sand beach and very shallow bay. shallow bay. South side have Pier, and water depth of South side have Pier, and water depth of south side is deeper than north side.south side is deeper than north side.
NorthNorthSouthSouth
Tsunami
Tsunami
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 18
Phi Phi IslandPhi Phi Island
Debris of CoralDebris of Coral are transported to north beach from north bay from north bay mouthmouth by Tsunami.
The boatThe boat is transported on central part of sandbar from from south bay port south bay port by Tsunami.
N S N S
Tsunami
Tsunami
North Beach Central part of sand hill
MPMD-2005Jan. 15, 2005
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Damage by Back FlowDamage by Back Flow
Road
Broken seawall
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 20
Casualty in ThailandCasualty in Thailand
ProvinceProvince DeathDeath InsureInsured d
PhangngPhangngaa
4,1904,190 5,5975,597
KrabiKrabi 693693 1,3761,376
PhuketPhuket 260260 1,1111,111
RanongRanong 159159 246246
TrangTrang 55 112112
SatunSatun 66 1515
TotalTotal 5,3135,313 8,4578,457From HP of Thailand Embassy, Tokyo at Jan. 14, 2005.http://www.thaiembassy.jp
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 21
Small Damage due to Small Damage due to DuneDune
SeaHill
Dune
Sea
Road
Hotels
Dune is heigher than Road.Dune would be play a part of tide wall.
MPMD-2005Jan. 15, 2005
K.HARADA, DRS, DPRI, Kyoto Univ.Thailand Group, ITST of Indian Ocean Tsunami Disaster 2004 22
More tsunami survey information, More tsunami survey information,
Please access our Please access our HP;HP;
http://www.drs.dpri.kyoto-u.ac.jp/sumhttp://www.drs.dpri.kyoto-u.ac.jp/sumatra/atra/
and please contact me!
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SnapshotsSnapshots
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SnapshotsSnapshots
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SnapshotsSnapshots
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SnapshotsSnapshots