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July 26, 2019
Andrea Donnellan flies a Parrot Anafi with a 21 megapixel camera over the M6.4 rupture. Credit: NASA GeoGateway Team
On July 4 and 5 near the city of Ridgecrest in Southern California two large-magnitude earthquakes struck, generating surface ruptures and damaging homes and businesses. NASA's GeoGateway team, led by research scientist Andrea Donnellan, conducted a series of drone flights to map in 3D the post-earthquakes changes in topography and terrain. The data was requested by  the California Earthquake Clearninghouse and the Geotechnical Extreme Events Reconnaissance (GEER) Association, with flight locations supplied by Christine Goulet, Executive Director for Applied Science at the Southern...