The US Geological Survey Earthquake Hazards Web site contains the Earthquake Notification Services page and service. Users can subscribe to three email lists that include BIGQUAKE -- which sends a message whenever an earthquake with a magnitude of 5.5 or greater occurs anywhere in the world or a magnitude of 4.5 or greater occurs within the 50 US states -- and QEDPOST -- which sends a daily...

"The National Earthquake Hazards Reduction Program (NEHRP) is the Federal Government's program to reduce the risks to life and property from earthquakes." After learning about the program's main goals, users of the website can find links to the latest earthquake news and events, publications, seismic maps, upcoming conferences, and other resources. The site describes the model building codes in...

This site from the US Geological Survey provides information and updates about the recent earthquakes in California and Nevada. Data include magnitude, time, location, coordinates, and depth for each earthquake, and each data page points to additional sources of information for the given earthquake. Users can access information via a clickable map of California or specialty maps of Long Valley,...