Understanding earthquakes
Safety & Emergency · Interactive
- DimensionsSubject to on-site plan
- PresentationInteractive
- PricingQuoted by manufacture spec
Purpose & Scientific Principle
Through interactive experiences, the causes of earthquakes and the meanings of terms related to earthquakes are displayed, allowing the audience to have a preliminary understanding of earthquakes.
How to Operate
This exhibition item is an exhibition group, and the multimedia interaction includes two sub-exhibitions: earthquake source magnitude and intensity, and measuring earthquakes.
Earthquake source magnitude and intensity: It consists of a console, a splicing screen and a miniature sand table model. Set three cursor interaction points on the screen, corresponding to different focal depths and magnitudes. The audience makes selections through the interactive device and watches the corresponding demonstration animation to understand the relationship between earthquake source magnitude and intensity.
Measuring earthquakes: It consists of a booth, a ground stepping device and a seismic waveform recorder model. Visitors step or jump on the ground interactive device and watch the waveform curve on the recorder.
Earthquake source magnitude and intensity: Exhibits include operation desks, splicing screens and miniature sand table models. The front is inlaid with a splicing screen, which displays the earth's crust. Above the screen is a miniature sand table of the earth's surface. There are some movable device models on the sand table, such as trees, telephone poles, electricity towers, etc. In front of the entire device is an operating console. The audience can select the magnitude through the buttons and the depth of the earthquake focus through the slider. After starting, the screen will display the occurrence of the earthquake and the seismic waves will spread to the surroundings. Model devices at different distances from the epicenter produce different vibration amplitudes, allowing the audience to understand the relationship between intensity and magnitude, focal depth and epicenter distance.
Measuring earthquakes: Set up an interactive device, including a booth, a ground stepping device and a seismic waveform recorder model. The audience steps or jumps on the ground interactive device to watch the waveform curve on the recorder. The graphic content introduces the earthquake magnitude standards and measurement methods currently used in China, and introduces the calculation formula of earthquake magnitude, possible negative magnitudes and other interesting earthquake knowledge, thereby attracting the audience's participation.
Plate movement: Set up an interactive device, including a booth, a storage box, three types of customized sponges (representing discrete, convergent and conserved plate boundaries respectively) and an extrusion device. There are stripes on the side of the sponge to represent the crustal strata. The audience takes out the customized sponge from the storage box, puts it into the extrusion device, turns the handle, watches the wrinkles caused by the stripes on the side of the sponge after being extruded, and understands the impact of plate movement on plate boundaries.
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