Google Mapplets for Earthquakes and Volcanic Activity

Abstract

The USGS Earthquake and Volcano Hazards Programs monitor, assess, and issue warnings of natural hazards. Users can access our hazards information through our web pages, RSS feeds, and now through USGS Mapplets. Mapplets allow third party data layers to be added on top of Google Maps (http://maps.google.com - My Maps tab). Mapplets are created by parsing a GeoRSS feed, which involves searching through an XML file for location data and plotting the associated information on a map. The new Mapplets allow users to view both real-time earthquakes and current volcanic activity on the same map for the first time. In addition, the USGS Mapplets have been added to Google's extensive collection of Mapplets, allowing users to add the types of information they want to see on their own customized maps. The Earthquake Mapplet plots the past week of earthquakes around the world, showing the location, time and magnitude. The Volcano Mapplet displays the latest U.S. volcano updates, including the current level of both ground-based and aviation hazards. Join us to discuss how Mapplets are made and how they can be used to create your own customized map.


Presentation

Poster
PNG (1 MB)

Authors

Scott A Haefner (presenter)
U.S. Geological Survey, 345 Middlefield Road, MS 977, Menlo Park, CA 94025, United States

Dina Y Venezky
U.S. Geological Survey, 345 Middlefield Road, MS 910, Menlo Park, CA 94025, United States


Links

USGS Mapplets
http://maps.google.com/ig/directory?synd=mpl (search for "USGS")