Earthquakes, Volcanoes and Plate Tectonics
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Seismogram Tracings925 views
Shows two seismogram tracings, at stations A and B, for the same earthquake. The arrival times of the P-waves and S-waves are indicated on each tracing.
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Cross section of Earth 212 viewsThe cross section of Earth below shows a P-wave moving away from an earthquake epicenter to seismic station A.
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block diagram168 viewsshows a cross section of a landscape. Letters A, B, C, D, and E represent different rock layers
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block diagram268 viewsblock diagram below shows the boundary between two tectonic plates.
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Zones of Earth’s interior170 viewsrepresents zones of Earth’s interior, identified by letters A through E. The scale shows depths below Earth’s surface, measured in
kilometers.
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seismic stations 173 viewswhich gives information collected at seismic stations W, X, Y, and Z for the same earthquake. Some of the data have been omitted.
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lithospheric plates208 viewsshows the boundary between two lithospheric plates. Point X is a location in the continental lithosphere. The depth below Earth’s surface is labeled in kilometers.
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seismogram 413 viewsThe seismogram was recorded at a seismic station and shows the arrival times of the first P-wave and S-wave from an earthquake.
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Earthquake Intensity with Modified Mercalli Scale197 viewsEarthquake Intensity with Modified Mercalli Scale
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Modified Mercalli Intensity Scale186 viewsModified Mercalli Intensity Scale
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tectonic plate boundaries260 viewsShows the tectonic plate boundaries near the East African Rift. Arrows show relative tectonic plate movement.
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seismograms 185 viewsshows four seismograms labeled I, II, III, and IV, which were recorded at seismic stations A, B, C, and D during the same time interval.
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