EarthScope Consortium - Seismic Monitor allows you to monitor global earthquakes in near real-time, visit seismic stations around the world, and search the web for earthquake or region-related information. You can also
GEOFON: Worldwide earthquake observation - ESKP
Equipment for seismic monitoring complex. | Download Scientific Diagram
Faultline: Earthquakes (Today & Recent) - Live Maps | Exploratorium
Monitoring Seismic Activity (U.S. National Park Service)
Seismic Monitor System | Maintenance and Engineering