Plane search survey reveals difficult terrain

The area where Malaysia Airlines flight MH370 may have gone down is full of previously unmapped trenches and extinct volcanoes, new data shows
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Mar 8: Flight MH370 vanishes en route from Kuala Lumpur to Beijing, with 239 passengers on board

INDIAN OCEAN
Kuala Lumpur
7th Arc
MALAYSIA
Broken Ridge
Detail
Perth
AUSTRALIA

Priority search area
Medium search area
Wide search area
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THREE-DIMENSIONAL MODEL OF SEA FLOOR TERRAIN
Depth
-2,500m
-5,300m
-5,000m
-4,000m
-3,000m

Similarities
1 Mont Blanc
(4,810m high)
2 Mount St Helens
(2,550m high)
3 Grand Canyon
(1,800m deep)

Broken Ridge
1
3
2

More than 106,000km2 have been surveyed

5km
3 miles

Oct: First of three vessels set to begin scouring sea floor for MH370

Sources: Australian Transport Safety Bureau, Geoscience Australia, wire agencies