Germany.
A woman turns on the TV, footage of earthquakes in China and Japan /1923/ is shown.
Walls of houses are collapsing.
Residents are clearing away the ruins.
A child is walking in the ruins.
A panorama of the burning area from above: burning walls of houses are falling.
The globe, seismic hazard areas on the ground.
A seismological station in Germany, a sign with a Nazi eagle.
A seismograph records vibrations of the earth's surface during earthquakes, and seismograms are continuously recorded.
Different types of seismograms.
A boy throws pebbles into the water, and circles spread.
Comparison with seismograms.
A diagram of an earthquake source.
The device records vibrations of the earth when a gun is fired.
Transverse and longitudinal waves.
Causes of earthquakes.
Earthquake sources on a map.
A panorama of mountains in the snow.
A diagram of a fault in rocks.
Tectonic earthquakes and destruction from them /show on models/.
Underground collapses /diagram and scheme/.
Volcanic earthquakes /scheme/.
Volcanic eruption, smoke emissions, steam, lava flows.
Destruction of houses during a volcanic eruption
Germany, earthquake, China, Japan, children, destruction, State, symbolism, science, mountains, natural phenomena, volcano