The seismic activity occurs on the fault lines where tectonic plates converge or diverge from each other. #Prankerandrew92
The graphic below depicts the approximate location of marine magnetic anomalies in relation to mid-ocean ridges. Canada Crest of Juan de Fuca Ridge in the United States Crest of Ridge MIIN is that they appear in stripes that are offset along transform faults and parallel mid-ocean ridges.
<h3>What are marine magnetic anomalies?</h3>
An alteration in the strength of the Earth's magnetic field brought on by the magnetism of ocean floor rocks is known as a marine magnetic anomaly. Typically, marine magnetic anomalies make up 1% of the total geomagnetic field strength. The anomalies that surround mid-ocean ridges exhibit a recognisable pattern, according to magnetic measurements over the oceans. They consist of a sequence of stripes that run perpendicular to each ridge, formed by positive and negative anomalies in the magnetic field's strength. They frequently have symmetry about the ridge's axis.
<h3>Why are magnetic anomalies important?</h3>
Together, magnetic anomalies serve as the primary method for dating oceanic basins and create the groundwork for reconstructions of the earth's plates, which set significant limits on how the lithosphere, biosphere, hydrosphere, cryosphere, and global climate developed. The magnetometer, which can monitor the Earth's magnetic field and find changes brought on by magnetic anomalies, is generally considered to be the most important piece of measurement equipment.
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