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Magnitude 7.2 EASTERN TURKEY - IRIS

Magnitude 7.2 EASTERN TURKEY - IRIS

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<strong>Magnitude</strong> <strong>7.2</strong> <strong>EASTERN</strong> <strong>TURKEY</strong><br />

Sunday, October 23, 2011 at 10:41:21 UTC<br />

Shaking intensity scales were developed to standardize the measurements and ease<br />

comparison of different earthquakes. The Modified-Mercalli Intensity scale is a twelve-stage<br />

scale, numbered from I to XII. The<br />

lower numbers represent<br />

imperceptible shaking levels while<br />

XII represents total destruction. A<br />

value of IV indicates a level of<br />

shaking that is felt by most people.<br />

Modified Mercalli Intensity<br />

Perceived<br />

Shaking<br />

Extreme<br />

Violent<br />

Severe<br />

Very Strong<br />

Strong<br />

Moderate<br />

Light<br />

Weak<br />

Not Felt<br />

Image courtesy of the US Geological Survey<br />

USGS Estimated shaking Intensity from M <strong>7.2</strong> Earthquake

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