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New Zealand Quake Ruptured 6 Faults

A new map reveals that six faults ruptured during the Nov. 14 Kaikoura earthquake in New Zealand. The magnitude-7.8 quake (it alone or aftershocks?) ruptured at least four faults along the coast, as well as two inland. Arrows show the level of displacement along each of these faults.

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Map showing location of the M7.8 epicenter (star), M > 3.0 aftershocks up until 04:20 New Zealand time on the 18th November (n = 1,782).

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Map showing the Indian subcontinent crashing into Asia over the course of 70 million years and creating the Himalayan mountains in the process.

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The Ring of Fire contains over 450 volcanoes and is home to approximately 75% of the world's active volcanoes; as well, nearly 90% of the world's earthquakes occur in this area.

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New Madrid & Wabash Valley Seismic Zones Meers fault in Oklahoma Oklahoma is "riddled with faults" according to seismologist Andrew Holland. The Meers fault is the only place in the Sooner state where a fault line is visible. It's a straight line for almost 50 miles, near Lawton. Some 15 miles is clearly visible from the air.

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Ring of Fire Map Activity

Students will complete a map that shows the tectonic plates, the Ring of Fire, major earthquake activity, and the oceanic mountain ranges for the Pacific Rim. Maps used to create this activity are at the websites on the ANSWER KEY page and can be supplied to students if necessary.

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