Natural disaster seismic waves. At the Earth's surface, earthquakes manifest themselves by vibration, shaking, and sometimes displacement of the ground. Earthquakes are caused by slippage within geological faults. The underground point of origin of the earthquake is called the "seismic focus". The point directly above the focus on the surface is called the "epicenter". Earthquakes by themselves rarely kill people or wildlife. It is usually the secondary events that they trigger such as building collapse, fires, tsunamis (seismic sea waves) and volcanoes. Many of these could possibly be avoided by better construction, safety systems, early warning and planning. When natural erosion, human
Seismic Productions Seismic Productions Seismic Productions is a Los Angeles based creative marketing company that creates trailers, television spots, and other marketing tools for the entertainment industry. Seismic Productions was founded in 1989 under the co-ownership of David Schneiderman and Kevin Sewelson. Schneiderman initially began his career at J. Walter Thompson advertising agency in New York before moving out west to work for Disney in 1986. In 1998, Erin Wyatt joined the company, and after a few years was working as an editor. In 2010, Wyatt was made a partner, and in 2011 Sewelson exited Seismic, leaving Schneiderman and Wyatt as the