Other titles:EARTHQUAKES AND VOLCANOES [Translation]
Summary: Documentary on earthquakes and volcanoes.
Description: Actuality film framed within a German television screen recalls the devastating effects of earthquakes in Messina in 1908, China in 1920 and Tokyo and Yokohama in 1923. The task of scientists at the Reich Institute for the Study of Earthquakes is to discover the various causes of earthquakes and to locate the approximately 9,000 quakes which occur in the world each year. A seismograph and diagrams illustrate how a seismologist estimates the strength and epicentre of each quake before further diagrams and models show how earthquakes originate and indicate the principal active regions of the globe. Slow motion film reveals the effect of a quake on a typical house. Last part of film describes the causes of volcanoes and illustrates a recent eruption with actuality film, showing lava flowing down a mountain and destroying houses in its path, apparently in Sicily.
Alternative Title:EARTHQUAKES AND VOLCANOES [Translation]
