gistfile1.js

//this is an example twitter call for geolocated tweets
//all you need is a lat lng to get tweets from anywhere
//in the world
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script> 

//only get the first 5 pages 
//since we are only interested
//in recent tweets
for (z = 0; z <= 5; z++) {

    //ask twitter to give you tweets
    var jqxhr = $.getJSON("http://search.twitter.com/search.json?callback=?", {
        geocode: '51.499054,-0.133524,1mi',
        rpp: "100",
        result_type: "recent",
        page: z + 1
    }, function (data) {

        //loop over every tweet and see if it contains geo data
        $.each(data.results, function (idx, t) {
            //if this tweet has data save it to array tweetlist
            if (t.geo) {
                tweetList.push(t);
            }
        });
    });
}