Earthquake Data
ctwxman writes "There's no doubt governments around the world have built a fine network of sensors to monitor earthquakes. Yet, when I want to see what's happening, I go to the Redwoood City Public Seismic Network, http://psn.quake.net/.
Within five minutes, amateurs, most far away from Redwood City and using homebuilt equipment (yes, there are links to instructions on how you can build your own), have posted their seismogram plots http://psn.quake.net/cgi-dos/event.exe.
It's astounding that 'just plain folks' can sense the Earth move halfway around world. And, It's neater to see with your own eyes."
U.S. Geological Survey
They are one of the most hit servers in the government. I think they can take a back page Slashdot linking.
I have been pwned because my