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2009 M7.4

Pacific Ocean

North FijiBasin

PACIFIC PLATE

88 mm/yr

76 mm/yr

110 mm/yr

103 mm/yr

98 mm/yr

106 mm/yr

90 mm/yr

82 mm/yr

Mindanao

Halmahera

Maluku

Borneo

Irian Jaya

Sulawesi (Celebes)

Lesser Sunda IslandsJava

Sumba

Loyalty Islands

Santa Cruz Islands

Celebes Sea

Banda Sea

Timor Sea

Arafua Sea

Coral Sea

Pacific Ocean

Philippine Sea

Celebes Basin

Coral Sea Basin

Melanesian BasinWest Caroline Basin

1938 M8.5

1977 M8.3

160°E

160°E

140°E

140°E

120°E

120°E

0° 0°

10°S 10°S

20°S 20°S

MAP EXPLANATIONEarthquakes M6.5+ 1900-2012 Magnitude!( 6.5 - 7.0!( 7.0 - 7.5

!(((( 7.5 +!> Nucleation Points (M8.3+)

Slab ContoursDepth

0 - 120 (20 km intervals)160 - 360 (40 km intervals)400 - 560 (40 km intervals)600 + (40 km intervals)Aftershock Zones

# SubductionTransformDivergentOthers

0 500 1,000250 Kilometers

Sunda Plate

Pacific Plate

Australia Plate

North New Hebrides Trench

New Guinea Trench

New Britain Trench

Timor Trough

Seram Trench

Philippine Trench

Australia

Papua New Guinea

Indonesia