PDFCrowd - Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.
EarthQuake Track - Gotta know when that earthquake hits.
PDFSwitch - Convert any HTML document or URL to PDF with a single API request.
Earthquake Maps by Earthquick - Interesting earthquake web map.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
EarthQuick - A simple earthquake realtime information application