A Quake Alert can be purchased. Web sites reporting on earthquakes and volcanism include:
USGS Quakes Quake Statistics Comprehensive Magnitudes Bob Fryer History by State Tectonics CERI Michigan Tech Hidden Hazards Earth's Crust WebCam Central USGS Volcanoes Volcanism Volcano Smithsonian Current Volcanoes Tsumamis Intro Top 10
Quakes 