html{font-size:10px;-webkit-text-size-adjust:100%;text-size-adjust:100%}body{font-size:1.6rem;line-height:1.5;font-family:'helvetica neue',arial,sans-serif}h1,h2,h3,h4,h5,h6{margin:2.4rem 0 0;line-height:1.2;color:#333;font-weight:400}h1{font-size:2em}h2{font-size:1.625em}h3{font-size:1.375em}h4{font-size:1.125em}h5{font-size:1em}h6{font-size:.875em}[role=banner]{height:56px;position:relative;background-color:#3d5e80}[role=banner]>.site-logo{display:block;position:absolute;left:14px;top:14px;color:transparent;width:101px;height:50%;background-size:auto 140%;background-image:url(/theme/images/usgs-logo.svg);background-repeat:no-repeat}[role=banner]>.site-logo>img{display:none}[role=banner]>.jumplink-navigation{display:block;position:absolute;left:-9999px;top:0}@media screen and (min-width:768px){[role=banner]{background-color:#000;background-size:auto 100%;background-repeat:no-repeat;background-image:url(/theme/site/earthquake/banner.png);height:72px;background-position:164px 0;margin-bottom:2em}[role=banner]>.site-logo{width:137px;height:75%;top:10px;background-size:auto 100%}[role=banner]:after{display:block;position:absolute;top:100%;left:0;right:0;padding:.25em 0 .25em 16px;border:1px solid #fff;border-width:1px 0;font-family:'helvetica neue',arial,sans-serif;font-size:1em;text-shadow:0 0 2px rgba(0,0,0,.6);line-height:1.5;font-weight:700;content:"Earthquake Hazards Program";color:#fff;background-color:#3d5e80}}@media print{[role=banner]{visibility:hidden;height:20px}[role=banner]>.site-logo>img{visibility:visible;display:inline}}*{box-sizing:border-box;-moz-box-sizing:border-box;word-wrap:break-word}main{display:block}body{margin:0;color:#000}img,canvas{max-width:100%}.page{padding:0 16px}.page-footer{clear:both;color:#999;background-color:#FFF;padding:16px 0;font-size:smaller}.page-footer>.page-social{margin:1em 0 0}@media screen and (min-width:768px){.page-footer{position:relative}.page-footer>.page-social{position:absolute;right:16px;bottom:16px;margin:0}.page{padding-left:0;float:right;width:75%}.site-footer{float:left;width:25%}}@media screen and (min-width:1200px){.page{width:80%}.site-footer{width:20%}}@media print{.page-footer{display:none}}.social-facebook-small{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -32px;height:16px;width:16px;margin-top:-16px}.social-facebook-large{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 0;margin-top:-32px}.social-twitter-small{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -80px;height:16px;width:16px;margin-top:-16px}.social-twitter-large{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 -48px;margin-top:-32px}.social-google-plus-small{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -128px;height:16px;width:16px;margin-top:-16px}.social-google-plus-large{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 -96px;margin-top:-32px}.social-email-small{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -176px;height:16px;width:16px;margin-top:-16px}.social-email-large{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 -144px;margin-top:-32px}.social-print-small{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -224px;height:16px;width:16px;margin-top:-16px}.social-print-large{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 -192px;margin-top:-32px}.social-feed-small{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -272px;height:16px;width:16px;margin-top:-16px}.social-feed-large{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 -240px;margin-top:-32px}.social-feed2-small{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -320px;height:16px;width:16px;margin-top:-16px}.social-feed2-large{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 -288px;margin-top:-32px}.social-google-earth-small{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -368px;height:16px;width:16px;margin-top:-16px}.social-google-earth-large{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 -336px;margin-top:-32px}@media screen and (max-width:767px){.page-social .facebook{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 0;margin-top:-32px;text-indent:-9999px;overflow:hidden;margin-top:0}.page-social .twitter{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 -48px;margin-top:-32px;text-indent:-9999px;overflow:hidden;margin-top:0}.page-social .google-plus{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 -96px;margin-top:-32px;text-indent:-9999px;overflow:hidden;margin-top:0}.page-social .email{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';width:32px;height:32px;background-position:0 -144px;margin-top:-32px;text-indent:-9999px;overflow:hidden;margin-top:0}}@media screen and (min-width:768px){.page-social .facebook:before{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -32px;height:16px;width:16px;margin-top:-16px;position:relative;top:2px;margin-right:4px}.page-social .twitter:before{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -80px;height:16px;width:16px;margin-top:-16px;position:relative;top:2px;margin-right:4px}.page-social .google-plus:before{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -128px;height:16px;width:16px;margin-top:-16px;position:relative;top:2px;margin-right:4px}.page-social .email:before{display:inline-block;background:url(/theme/images/social-sprite.png) no-repeat;content:' ';background-position:0 -176px;height:16px;width:16px;margin-top:-16px;position:relative;top:2px;margin-right:4px}}.page-social>a{margin-left:16px}.page-social>a:first-child{margin:0}.nav-transition,.site-sectionnav>a,.site-sectionnav>section>a,.site-sectionnav>section>header,.site-sitenav>a,.site-sitenav>strong{-moz-transition:background .25s ease-out;-o-transition:background .25s ease-out;-webkit-transition:background .25s ease-out;transition:background .25s ease-out}.site-sectionnav>a{background-color:#ededed;background-image:none;border-top:1px solid #ddd;color:#333;display:block;padding:12px 16px;text-decoration:none}.site-sectionnav>a:visited{color:#333}.site-sectionnav>a:hover{text-decoration:underline}.site-sectionnav>section{margin:0 0 .2em}.site-sectionnav>section>a,.site-sectionnav>section>header{color:#333;display:block;padding:12px 16px}.site-sectionnav>section>a{padding-left:24px;position:relative}.site-sectionnav>section>a:before{position:absolute;content:'';top:0;left:0;width:100%;height:1px;background-image:-webkit-linear-gradient(left,transparent 0,rgba(0,0,0,.1) 2.5em,transparent 100%);background-image:-moz-linear-gradient(left,transparent 0,rgba(0,0,0,.1) 2.5em,transparent 100%);background-image:linear-gradient(left,transparent 0,rgba(0,0,0,.1) 2.5em,transparent 100%)}.site-sectionnav>section>header{background-color:#ededed;border-top:1px solid #ddd;border-bottom:1px solid #ddd;font-weight:400;text-shadow:0 1px 1px #fff}.site-sectionnav>section>a,.site-sectionnav>section>header>a{text-decoration:none;background-image:none}.site-sectionnav>section>a:hover,.site-sectionnav>section>header>a:hover{text-decoration:underline;background-color:#f8f8f8}.site-sectionnav>section>header>a{display:block;color:#333}.site-sectionnav>section>header>a:hover{background-color:#EDEDED}.site-search{position:relative;display:block;margin:1.2em 1em}.site-search>[type=search]{display:block;width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;margin:0}.site-search>label{display:block;float:left;margin-right:1em;font-size:smaller}.site-search>button{display:block;clear:both;margin:1em 0 0}.site-search:after{content:' ';display:block;clear:both}.site-sitenav{background-color:#3d5e80;margin:.2em 0;overflow:visible;border-top:1px solid rgba(0,0,0,.1);border-bottom:1px solid rgba(0,0,0,.1)}.site-sitenav>a,.site-sitenav>strong{display:block;padding:12px 16px;color:#fff;text-decoration:none;font-weight:400;text-shadow:0 0 2px #000;border-bottom:1px solid rgba(0,0,0,.1);border-top:1px solid rgba(255,255,255,.1);border-right:1px solid rgba(255,255,255,.1);border-left:1px solid rgba(255,255,255,.1)}.site-sitenav>a:visited,.site-sitenav>strong:visited{color:#fff}.site-sitenav>a:last-child,.site-sitenav>strong:last-child{border-bottom:1px solid rgba(255,255,255,.1)}.site-sitenav>a:hover,.site-sitenav>strong:hover{background-color:#2d455d;color:#fff}.site-sitenav>strong,.site-sitenav>.current-page,.site-sitenav>strong:hover,.site-sitenav>.current-page:hover{background-color:#2d455d;color:#fff}.site-commonnav{clear:both;text-align:center;line-height:1.6;padding:1rem;border-top:1px solid #e5e5e5;font-size:smaller}.site-commonnav>hr{border:solid #ddd;border-width:1px 0 0;margin:0 0 15px}.site-commonnav>a{display:inline-block;color:#3d5e80;margin:0 16px 0 0}.site-commonnav>a:last-child{margin:0}@media screen and (min-width:768px){.site-footer{padding:0 16px}.site-sectionnav,.site-sitenav,.site-search{margin:1em 0}.site-sitenav{border:1px solid #2d455d}.site-sectionnav>a,.site-sectionnav>strong{border:1px solid #ddd;margin:0 0 1em;padding:8px 10.66667px}.site-sectionnav>section{margin:0 0 1em;border:1px solid #ddd}.site-sectionnav>section header,.site-sectionnav>section header>a{border-top:0}.site-sectionnav>section>a,.site-sectionnav>section>strong,.site-sectionnav>section>header{padding:8px 10.66667px}.site-sectionnav>section>a,.site-sectionnav>section>strong{padding-left:24px}.site-sitenav>a,.site-sitenav>strong{padding:8px 10.66667px}}@media print{.site-sectionnav,.site-search,.site-sitenav,.site-commonnav{display:none}}.offcanvas-mask,.offcanvas-container,.offcanvas-toggle{display:none}@media screen and (max-width:767px){.offcanvas-enabled{position:relative;left:0;transition:left .3s ease-in-out}.offcanvas-enabled .offcanvas-toggle{margin:0;padding:0 .75em;display:block;height:2em;line-height:2em;position:absolute;top:12px;right:16px;z-index:1005;box-shadow:none;-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none}.offcanvas-enabled .offcanvas{position:fixed;left:-232px;top:0;bottom:0;width:228px;background-color:#FFF;box-shadow:1px 0 4px 0 #000;padding:0;z-index:1002;overflow-y:auto;-webkit-overflow-scrolling:touch;transition:left .3s ease-in-out}.offcanvas-enabled .offcanvas-mask{background-color:transparent;display:none;position:fixed;left:0;top:0;bottom:0;width:100%;z-index:1001;transition:background-color .3s ease-in-out;cursor:pointer}.offcanvas-almost-active{overflow:hidden}.offcanvas-almost-active .offcanvas-mask{display:block}.offcanvas-active .offcanvas{left:0}.offcanvas-active .offcanvas-mask{background-color:rgba(0,0,0,.7)}}@media screen and (min-width:768px){.offcanvas-enabled .offcanvas{padding:0 16px}}a{color:#306ac2}a:active{color:#c23030}a:visited{color:#306ac2}p{margin:1em 0 0}abbr{border-bottom:1px dotted;cursor:help}pre,code{font-family:Consolas,monospace,serif;color:#555;background:#f8f8f8;border-radius:3px}:not(pre)>code{border:1px solid #d8d8d8;padding:2px 4px;white-space:nowrap}code{font-size:.8em}pre{border:1px solid #d8d8d8;padding:10px 15px;overflow:scroll;margin:1em 0 0}pre>code{word-wrap:normal}mark{background-color:#ffa;padding:2px 4px}sup,sub{font-size:.625em;margin-left:2px}ul,ol{margin:1.5em 0 0;padding-left:2em}ul.no-style,.linklist,ol.no-style{list-style:none;padding:0}ul.separator>li,.linklist>li,ol.separator>li{border-top:1px solid #e8e8e8;padding:1em 0}ul.separator>li:first-child,.linklist>li:first-child,ol.separator>li:first-child{border-top:0;padding-top:0}.linklist>li{overflow:auto;padding:2.5rem 0}.linklist>li:last-child{padding-bottom:1rem}.linklist>li h2,.linklist>li h3,.linklist>li h4{margin:0 0 -.5rem 0;padding:0;line-height:1.4;font-size:1.125em;color:#306ac2}.linklist>li h2:active,.linklist>li h3:active,.linklist>li h4:active{color:#c23030}.linklist>li a>img{float:left;margin:0 16px 16px 0;padding-top:1.3em}li>ul,li>ol{margin:0}dl{margin:1em 0 0}dl>dt{font-weight:700}dl.vertical>dd,dl.horizontal>dd{margin:0}@media screen and (min-width:560px){dl.horizontal>dt{float:left;width:10em;overflow:hidden;clear:left;text-overflow:ellipsis;white-space:nowrap}dl.horizontal>dd{margin-left:11em}}button{position:relative;font-size:1em;line-height:4rem;height:4rem;padding:0 1em;margin:4px 2px;color:#333;background:#f8f8f8;text-shadow:0 1px 1px #fff;border-radius:2px;cursor:pointer;border:0;box-shadow:rgba(0,0,0,.15) 0 0 0 1px inset;background-image:linear-gradient(to bottom,rgba(255,255,255,.05) 0,rgba(0,0,0,.05) 100%);vertical-align:top;font-family:'helvetica neue',arial,sans-serif}button:hover{background-image:linear-gradient(to bottom,rgba(255,255,255,.1) 0,rgba(0,0,0,.1) 100%);color:#000;text-shadow:none}button:active{background-image:linear-gradient(to top,rgba(255,255,255,.2) 20%,rgba(55,55,55,.1) 100%)}button.red{background-color:#E46554}button.orange{background-color:#F59048}button.yellow{background-color:#FFF066}button.green{background-color:#58A973}button.blue{background-color:#5393CA}button.red,button.orange,button.green,button.blue{color:#fff;text-shadow:0 0 2px rgba(0,0,0,.6)}button.yellow{color:#555;color:#836352;color:#74513F;text-shadow:0 1px 1px #fff}button.disabled,button[disabled]{background:#e8e8e8;color:#999;text-shadow:none;cursor:text;box-shadow:none}button.disabled:hover,button[disabled]:hover{background-image:none}button.cancel,button.confirm{text-align:left;padding-right:4em;padding-left:1em}button.cancel:after,button.confirm:after{position:absolute;right:0;width:3em;text-align:center;border-radius:0 2px 2px 0;border-left:1px solid rgba(0,0,0,.05);background:rgba(0,0,0,.05)}button.cancel.disabled:after,button.cancel[disabled]:after,button.confirm.disabled:after,button.confirm[disabled]:after{border:0}button.confirm:after{content:'\2713'}button.cancel:after{content:'x';font-weight:700}.button-group{padding:0;margin:0}.button-group>button{margin:0 0 0 -1px;border-radius:0;float:left}.button-group>button:first-child{margin:0;border-top-left-radius:2px;border-bottom-left-radius:2px}.button-group>button:last-child{border-top-right-radius:2px;border-bottom-right-radius:2px}.button-group:after{content:'';clear:both;display:block}@media screen and (min-width:768px){button{font-size:.8125em;line-height:3rem;height:3rem}}select,textarea,input,fieldset,legend,label{color:#333;font-size:1.6rem;margin:4px 2px;font-family:'helvetica neue',arial,sans-serif}legend,label{margin:.5em 0 0}input[type=date],input[type=datetime],input[type=email],input[type=number],input[type=password],input[type=search],input[type=tel],input[type=text],input[type=time],select,textarea{height:4rem;border:1px solid #d8d8d8;padding:.5em;max-width:100%}textarea{vertical-align:top}fieldset{margin:1em 0 0;padding:0;border:0}fieldset label{display:block;text-indent:-49px;padding-left:49px}fieldset label:hover{cursor:pointer}input[type=radio],input[type=checkbox]{padding:0;margin:0 12px 0 16px;width:16px}.vertical label{display:block;margin:1em 0 0}.vertical fieldset label{margin:.5em 0 0}.vertical input[type=date],.vertical input[type=datetime],.vertical input[type=email],.vertical input[type=number],.vertical input[type=password],.vertical input[type=search],.vertical input[type=tel],.vertical input[type=text],.vertical input[type=time],.vertical select,.vertical textarea{margin-left:0;margin-right:0}@media screen and (min-width:768px){input[type=date],input[type=datetime],input[type=email],input[type=number],input[type=password],input[type=search],input[type=tel],input[type=text],input[type=time],select,textarea{font-size:.8125em;height:3rem}}figure{display:block;margin:1em 0 0}figure>img{border:1px solid #ddd}figure>figcaption{display:block;font-size:.75em}@media screen and (min-width:560px){figure.right{float:right;margin-left:1em;max-width:50%}figure.left{float:left;margin-right:1em;max-width:50%}}.column{width:100%;padding-left:16px}.row{overflow:hidden;margin-left:-16px}.row>.column{float:left}.row:after{display:block;content:' ';overflow:hidden}.row.right-to-left>.column{float:right}.mobile-one-of-one{width:100%}.mobile-two-up>.column,.mobile-one-of-two,.mobile-two-of-four{width:50%}.mobile-three-up>.column,.mobile-one-of-three{width:33.33333%}.mobile-two-of-three{width:66.66667%}.mobile-four-up>.column,.mobile-one-of-four{width:25%}.mobile-three-of-four{width:75%}.mobile-five-up>.column,.mobile-one-of-five{width:20%}.mobile-two-of-five{width:40%}.mobile-three-of-five{width:60%}.mobile-four-of-five{width:80%}@media screen and (min-width:560px),print{.one-of-one{width:100%}.two-up>.column,.one-of-two,.two-of-four{width:50%}.three-up>.column,.one-of-three{width:33.33333%}.two-of-three{width:66.66667%}.four-up>.column,.one-of-four{width:25%}.three-of-four{width:75%}.five-up>.column,.one-of-five{width:20%}.two-of-five{width:40%}.three-of-five{width:60%}.four-of-five{width:80%}}figure{display:block;margin:1em 0 0}figure>img{border:1px solid #ddd}figure>figcaption{display:block;font-size:.75em}@media screen and (min-width:560px){figure.right{float:right;margin-left:1em;max-width:50%}figure.left{float:left;margin-right:1em;max-width:50%}}.jumplist{border:1px solid #ddd;padding:.5em 0 0 1em;margin:1em 0 0}.jumplist>a{border-right:1px solid #ccc;display:inline-block;float:left;line-height:1em;margin:0 .5em .5em 0;padding-right:.5em}.jumplist>a:last-child{border-right:0}.jumplist:after{content:' ';display:block;clear:both}.referencelist{padding-left:50px}.referencelist>li{border:1px solid #fff;list-style:none;padding:0;margin:1em 0 0;color:#555;font-size:.85em;font-style:italic;text-indent:-3em}table.tabular{margin:1em 0 0;border-collapse:collapse;text-align:left;width:100%;display:block;overflow:auto;overflow-y:hidden;overflow-x:auto}table.tabular th{color:#444;background-color:#ededed;font-weight:700;text-shadow:1px 1px 0 #fff;text-align:left}table.tabular td{color:#444;background-color:#fff}table.tabular th,table.tabular td{padding:.5em .75em;border:1px solid #e0e0e0}table.center{text-align:center}table.center th{text-align:center}table.responsive{border:0;text-align:left}table.responsive th{text-align:left}table.responsive thead,table.responsive tbody,table.responsive th,table.responsive td,table.responsive tr{display:block;border:0;background:0 0}table.responsive>thead>tr{position:absolute;top:-9999px;left:-9999px}table.responsive>tbody>tr{margin-top:1.5em}table.responsive>tbody>tr:first-child{margin-top:0}table.responsive>tbody>tr>th:first-child{margin-bottom:.5em;padding:0 0 .5em;border-bottom:1px solid #e0e0e0}table.responsive>tbody>tr>td:first-child{border-top:1px solid #e0e0e0;padding-left:40%}table.responsive>tbody>tr>td:first-child,table.responsive>tbody>tr>td:first-child:before{padding-top:1.5em}table.responsive>tbody>tr>td{position:relative;padding:.1em;padding-left:40%}table.responsive>tbody>tr>td:before{position:absolute;top:0;left:0;padding:.1em 0;white-space:nowrap}@media screen and (min-width:560px),print{table.center{text-align:center}table.center th{text-align:center}table.tabular{width:auto}table.tabular>tbody.no-header-style>tr>th{background:#fff;font-weight:400}table.responsive th{background-color:#ededed;border:1px solid #e0e0e0}table.responsive thead{display:table-header-group}table.responsive tbody{display:table-row-group}table.responsive tr{display:table-row}table.responsive td,table.responsive th{display:table-cell}table.responsive>tbody>tr th,table.responsive>tbody>tr th:first-child,table.responsive>tbody>tr td,table.responsive>tbody>tr td:first-child{border:1px solid #e0e0e0;padding:.5em .75em}table.responsive>thead>tr{position:static}}