El Salvador: Related Web Sites

Current Seismicity: Mexico, Central America, Caribbean - reports and maps of seismic activity; from the USGS/National Earthquake Information Center.
Digital World Tectonic Activity Map (DTAM) - visualization tool that presents an actual representational view of global tectonics; created using current global datasets of seismicity, volcanism, and plate motions.
U.S. Geological Survey National Earthquake Information Center - access latest global earthquake data, learn about hazards and preparedness, and more.