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Global, national and regional networks recording earthquakes and crustal movements, maps, station information, and realtime seismic waveforms. 

map of world with symbols for seismic stations
Distribution of Global Seismographic Network (GSN) stations in 2015. (Public domain.)

NEIC - National Earthquake Information Center
The NEIC determines the location and size of all significant earthquakes worldwide, disseminates the information immediately, maintains an online database of seismic information, and performs research.

ANSS - Advanced National Seismic System
The United States seismic network.

GSN - Global Seismographic Network
The worldwide seismic network.

Real-Time Information
Earthquake information available immediately after an earthquake.

Volunteer Monitoring
Opportunities for you to host a seismometer in your private home, business, public building or school.

Seismogram Displays
Real-time waveforms from all over the world.

NSMP - National Strong Motion Project
Seismic stations for strong motion records on the ground and in man-made structures.

Crustal Deformation Monitoring
Monitoring of slow crustal movements.

Data available at:

See also: