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natd - to have limited the size of historical earthquakes...

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Our mapping of the 1900-km-long Sumatran fault, using topo maps and aerial  photographs, showed that (unlike the San Andreas) it is highly segmented. Large  dilatational stepovers appear to have limited the extent of historical ruptures and 
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Unformatted text preview: to have limited the size of historical earthquakes to about M 7.5. Total offset across this long fault may be only 20 to 100 km, and current slip rates vary from about 11 to 27 mm/yr....
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