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English: Map of earthquakes 1900- This map was created from OpenStreetMap project data, collected by the community. This map may be incomplete, and may contain errors.
The simple spring-slider coupling model helps explain the recurrence of earthquake cycles. [1] The premise is that a stationary block in contact with a rough surface is dragged by a spring that is pulled at a constant velocity. This process causes stress to continuously accumulate on the spring.
A simple example of a successful test of the hypothesis of sea floor spreading was the demonstration that the sense of motion along oceanic transform faults [4] is opposite to what would be expected in classical geologic interpretation of the offset oceanic ridges. This was done by constructing fault plane solutions of earthquakes in oceanic ...
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An earthquake is the shaking of the surface of Earth resulting from a sudden release of energy in the lithosphere that creates seismic waves. Earthquakes may also be referred to as quakes, tremors, or temblors. The word tremor is also used for non-earthquake seismic rumbling.
An inside look at the earthquake that rocked Humbolt County towns, including Rio Dell, Eureka, Fortuna and Ferndale. 'Living here isn't easy to begin with.' How an earthquake brought people together
Isoseismal map for the 1968 Illinois earthquake. In seismology, an isoseismal map is used to show countour lines of equally felt seismic intensity, generally measured on the Modified Mercalli scale. Such maps help to identify earthquake epicenters, particularly where no instrumental records exist, such as for historical earthquakes.
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