The Public Seismic Network
This branch of the network formed after earthquakes shook the island for the first time in a generation.
For amateur quake watchers in Alaska, where half of the USA's earthquakes occur.
Frank Cooper has excellent photos of his apparatus and quake recordings, too—even a 1938 article from
Modern Mechanix on making a home seismograph.
John Lahr runs this amateur site, sharing his experience building seismic instruments.
The PSN's first outpost in Europe is in Italian. Links here go to several Italian subnetworks.
This is the quirkiest of the PSN sites, with music and lava pictures as well as home seismographs by Tony Potenzo.
A page by New Zealander Dave Nelson includes his software notes plus maps and links.
The Red Sísmica de Chiriquí has four stations so far.
The home node of the ham seismology movement.
This site is run by Prof. Steve Hammond and serves the whole South Bay region including Santa Cruz.
