Poster of the Papua, Indonesia Earthquake Sequence of February 2004
These earthquakes occurred in a region considered to have the most complex present-day tectonics on Earth. In the area surrounding Irian Jaya (the western half of New Guinea), four major tectonic plates, the Australian, Sunda, Philippine Sea, and Caroline plates, sandwich half a dozen proposed microplates. The interactions between these microplates produce all possible styles of faulting. These particular earthquakes ruptured strike-slip faults near the boundary of the Bird's Head plate and the recently proposed Maoke plate.
The posters may be downloaded for viewing or for printing on a color plotter. Adobe PDF (.pdf) format files are provided. Adobe Acrobat 6.0 or higher is required for viewing the PDF file on a computer monitor and for printing the PDF map graphic.
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