! > ! > ¬ ¬ ¬ ¬ ¬ ¬ ¬ ¬ 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 Islands Java 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 Basin West 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 EXPLANATION Earthquakes M6.5+ 1900-2012 Magnitude ! ( 6.5 - 7.0 ! ( 7.0 - 7.5 ! ( ( ( 7.5 + ! > Nucleation Points (M8.3+) Slab Contours Depth 0 - 120 (20 km intervals) 160 - 360 (40 km intervals) 400 - 560 (40 km intervals) 600 + (40 km intervals) Aftershock Zones # Subduction Transform Divergent Others 0 500 1,000 250 Kilometers Sunda Plate Pacific Plate Australia Plate North New Hebrides Trench New Guinea Trench N e w B rit a in T re n c h Timor Trough Seram Trench Philippine Trench Australia Papua New Guinea Indonesia