South Bismarck Plate
|South Bismarck Plate|
|1Relative to the African Plate|
Convergent boundaries line the southern border including the subduction zone responsible for the formation of New Britain and the Solomon Islands. Many earthquakes occur in this area particularly around New Britain. GPS data shows the South Bismarck plate, though north of the Australian plate boundary, is being pushed by Australia in a northerly direction while the North Bismarck Plate is being dragged by the Pacific plate easterly. The line delineating the two is called the Bismarck Seismic Sea Lineation (BSSL), and it is not known where this line ends on the West side towards New Ireland.
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