Geophysics A Saltatory Itinerary Brooks Hanson See allHide authors and affiliations Science 20 Dec 2002:Vol. 298, Issue 5602, pp. 2285-2287DOI: 10.1126/science.298.5602.2285d Brooks Hanson Find this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF Download PDF You are using an old browser, click here to download PDF PDF Container View Full Text