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March 11, 2011 Japan (Tsunami)

March 11, 2011 Japan (Tsunami) - Magnitude 8.9 NEAR THE...

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Modified Mercalli Intensity Perceived Shaking Extreme Violent Severe Very Strong Strong Moderate Light Weak Not Felt USGS Estimated shaking Intensity from M 8.9 Earthquake Shaking intensity scales were developed to standardize the measurements and ease comparison of different earthquakes. The Modified-Mercalli Intensity scale is a twelve-stage scale, numbered from I to XII. The lower numbers represent imperceptible shaking levels, XII represents total destruction. A value of IV indicates a level of shaking that is felt by most people. Image courtesy of the US Geological Survey Magnitude 8.9 NEAR THE EAST COAST OF HONSHU, JAPAN Magnitude 8.9 NEAR THE EAST COAST OF HONSHU, JAPAN Friday, March 11, 2011 at 05:46:23 UTC March 11, 2011 at 05:46:23 UTC
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Ground Motion Recorded at Stony Brook Campus
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This earthquake was the result of thrust faulting along or near the convergent plate boundary where the Pacific Plate subducts beneath Japan. This map also shows the rate and direction of motion of the Pacific Plate with respect to the Eurasian Plate near the Japan Trench. The rate of convergence at this plate boundary is about 83 mm/yr (8 cm/year). This is a fairly high convergence rate and
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