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We're swinging into a week full of earthquake conversation and recollection in LA media. January 17 will be the 20th anniversary of the Northridge earthquake in 1994 that killed more than 60 people, collapsed freeways and apartments, and remade the streetscape in several parts of town (and on the campus at UCLA.) Seems like a good time to roll out the LA Observed earthquake page, with links to stories, quake resources and photos. When I feel a quake I go there to quickly check the magnitude and location; you can do the same.
Meanwhile, I was poking around on the US Geological Survey websites and came across this graphic representation (above) of the zones of Southern California where the damage was most concentrated from three of the region's last big quakes: Northridge in 1994, Whittier Narrows in 1987 and Long Beach in 1933. I guess most of the worst damage from the 1971 Sylmar quake would be contained within the 1994 borders. Nice looking map and useful too.
USGS will sell you this map for use in classrooms or whatever. Twelve bucks.
