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Before and After Images

The USGS has science based work that often requires the comparison of two geographic areas over time. Though scientific data is critical to understanding changes over time, visually seeing those changes is a powerful tool in support of that data. 

Filter Total Items: 322
Color webcam photo of lava lake
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Recent changes at Kīlauea volcano - October 7, 2021
TNMCorps Mapping Challenge: Cemeteries in Western TN
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TNMCorps Mapping Challenge: Cemeteries in Western TN as of 10/14/21
TNMCorps Mapping Challenge: City/Town Halls in TX 10/7/21
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TNMCorps Mapping Challenge: City/Town Halls in TX as of 10/14/21
TNMCorps Mapping Challenge: Law Enforcement in KS & OK
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TNMCorps Mapping Challenge: Law Enforcement in KS & OK as of 10/14/21
Map showing migration routes superimposed on a wildfire smoke map, with dense smoke covering the northwestern states
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Tule Goose Migration Tracks, 2019 and 2020
map with hexagon grid overlay depicting study areas and points depicting barred owl sightings in 2015
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Interactive before/after image of barred owl sightings
Color photograph of active lava lake
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Recent changes at Kīlauea volcano
Color photograph of active lava lake
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Recent changes at Kīlauea volcano - October 4, 2021
TNMCorps Mapping Challenge: Cemeteries in Western TN
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TNMCorps Mapping Challenge: Cemeteries in Western TN as of 10/07/21
TNMCorps Mapping Challenge: City/Town Halls in TX
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TNMCorps Mapping Challenge: City/Town Halls in TX as of 10/07/21
TNMCorps Mapping Challenge: Law Enforcement in KS & OK
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TNMCorps Mapping Challenge: Law Enforcement in KS & OK as of 10/07/21
Color webcam image
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New eruption at Kīlauea Volcano - September 29, 2021
TNMCorps Mapping Challenge: City/Town Halls in TX
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TNMCorps Mapping Challenge: City/Town Halls in TX as of 09/23/21
TNMCorps Mapping Challenge: City/Town Halls in TX
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TNMCorps Mapping Challenge: City/Town Halls in TX as of 09/30/21
TNMCorps Mapping Challenge: Law Enforcement in KS & OK
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TNMCorps Mapping Challenge: Law Enforcement in KS & OK as of 09/23/21
TNMCorps Mapping Challenge: Law Enforcement in KS & OK
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TNMCorps Mapping Challenge: Law Enforcement in KS & OK as of 09/30/21
TNMCorps Mapping Challenge: Schools in CO
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TNMCorps Mapping Challenge: Schools in CO NoHistory as of 09/30/21
TNMCorps Mapping Challenge: City/Town Halls in IA, MN
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TNMCorps Mapping Challenge: City/Town Halls in IA, MN as of 09/09/21
TNMCorps Mapping Challenge: City/Town Halls in IA, MN
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TNMCorps Mapping Challenge: City/Town Halls in IA, MN as of 09/16/21
TNMCorps Mapping Challenge: Law Enforcement in KS & OK
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TNMCorps Mapping Challenge: Law Enforcement in KS & OK as of 09/09/21
TNMCorps Mapping Challenge: Law Enforcement in KS & OK
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TNMCorps Mapping Challenge: Law Enforcement in KS & OK as of 09/16/21