This brief historical account describes some of the effects of the Cajon Pass earthquake, which struck near San Bernardino, California in 1899. It also incudes the time, approximate location, and approximate magnitude...

The Acoustic Monitoring Project at NOAA is observing the ocean through underwater acoustics. At this site, visitors can learn about NOAA's studies in Bioacoustics, Ocean Seismicity, and Environmental Noise. The site also...

This lesson introduces students to faulting from the Quaternary Period and the Holocene Epoch in the State of Idaho. They will examine a map showing the distribution of these faults and answer questions concerning...

Users can access interactive mapping and Geographic Information Systems (GIS) data, and view or download maps and reports on California's most prominent earthquake hazards. These maps are intended to help avoid damage...

This visualization tool aids researchers and educators in understanding the tectonic activity of our planet for the past 1 million years. DTAM is a Geographical Information System (GIS) that displays a realistic synoptic...