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Maps: Demo • Globe • World • Region • Country • State: US|CA|AU

Epicenters
Epicenters example map 1 Epicenters example map 2 Epicenters example map 3
pde • USGS's Preliminary Determination of Epicenters datasets each cover one decade: 1950s, 1960s, 1970s and 1980s. Fields are: date, latitude, longitude, depth and magnitude. Included in each tarball is a makefile (pdeNN.mak) which can convert the plain-text data to a faster binary format.

See the data page for unpacking instructions.

Dataset  Size bz2   Size un 
pde50.tar.bz2 33 KB 150 KB
pde60.tar.bz2 257 KB 1.0 MB
pde70.tar.bz2 407 KB 1.5 MB
pde80.tar.bz2 755 KB 2.8 MB