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Running head: MID-OCEAN RIDGE EARTHQUAKES Mid-Ocean Ridge Earthquakes Name Institutional affiliation 1 MID-OCEAN RIDGE EARTHQUAKES (Answer 1) In the mid-ocean ridge, earthquakes occur mostly below 30km of depth and are, therefore, shallow. This is because in such a ridge occurs where ocean lithosphere is created. The ocean lithosphere at this point is, therefore, weak and thin. Their spreading thus only allows them to go up to shallow depths. This is due to lower friction force in the plates within the lithosphere due to their weak nature. Earthquakes occur more frequently at mid-ocean ridges due to them having hot, softer rock bases. This is because harder surfaces may require more seismic force to result in an earthquake as in the case of asthenosphere. Some of these earthquakes occur in the Mid-Atlantic Ridge, East Pacific and Southwest India Ridge (Egger, 2003). In the East Pacific, the earthquake occurred on 10th March 2019 at 13:08 UTC hitting a depth of 15km with a magnitude of M4.8 in Chile. The quake occurred 42km SSW of Taltal at 25.770°S 70.600°W. Another hit the Southern East Pacific Rise at 02:44 UTC on February 27th, 2019.with a depth of about 10 km. It occurred ...
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