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You are here: Home > Searches > Geochemistry Search > Set Location

After the map loads, zoom to your area of interest, and click "Start Drawing Polygon" to begin drawing a polygon on the map using mouse clicks to create polygon vertices. Double-click to close the polygon. Click "Submit" when you are satisfied with your polygon. Samples that do not have a specific latitude and longitude have been assigned the default latitude and longitude of their source volcano.

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URL: www.avo.alaska.edu/geochemold/set_location.php
Page modified: March 19, 2018 16:09
Contact Information: AVO Web Team

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