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Lamar County Multi- Jurisdictional Hazard Mitigation Plan <br />Chapter Three <br />Table 3: Richter - Mercalli Scale <br />40 1 <br />p <br />. C <br />V <br />M <br />«+ <br />Q <br />.L <br />7 <br />- <br />rA <br />far LU <br />L W <br />y <br />C W <br />Cr <br />M <br />L <br />G1 <br />M <br />W <br />y 0 <br />� Q <br />L <br /><2.0 <br />Micro <br />Micro earthquakes, not felt. <br />8,000 per <br />I Anstrumental <br />•. <br />2.0 -2.9 <br />Minor <br />Generally not Felt <br />1,000 /da <br />II. Feeble <br />y <br />,:;.0 -3.9 <br />Min <br />Often Felt, but rarely causes damage. <br />49,000 /yr <br />III. Slight <br />Noticeable shaking of indoor items, rattling <br />IV. Moderate <br />noises. Significant damage unlikely. <br />(4.0 -4.3) <br />4.0 -4.9 <br />Light <br />6,200 /yr <br />V. Rather Strong <br />(4.4.4.8) <br />Felt by all. Many frightened. Damage to <br />VI. Rather <br />masonry mostly minor such as cracks and <br />Strong (4.9 -5.4) <br />5.0 -5.9 <br />Moderate <br />flaking. Can cause major damage to poorly <br />800 /yr <br />constructed buildings over small regions. <br />VII. Strong (5.5- <br />6.1) <br />Damage to masonry greater such as falling <br />VIII. Destructive <br />chimneys and movement of foundations. Can be <br />(6.2 -6.5) <br />6.0 -6.9 <br />Strong <br />sestructive in areas up to about 160 kilometers <br />120 /yr <br />(100 mi) across in populated areas. <br />IX. Ruinous (6.6- <br />6.9) <br />Most masonry and frame structures destroyed <br />X. Disastrous <br />with their fondations. Serous damage to dams <br />(7.0 -7.3) <br />7.0-7.9 <br />Major <br />and barriers. Underground pipes burst. Can <br />18 /yr <br />cause serious damage over larger areas. <br />XI. Very <br />Disastrous (7.4- <br />8.1) <br />Can cause serious damage in areas several <br />1 <br />XII. Catastrophic <br />8.0 -8.9 <br />Great <br />hundred miles across. Damage nearly total. <br />occurren <br />( >8 1) <br />ce /yr <br />9.0 -9.9 <br />Great <br />Catastrophic. Devastating in areas several <br />1 /yr <br />XII. Catastrophic <br />thousand miles accros. <br />( >8.1) <br />132 <br />