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Volcano Web Shorts 1: Photogrammetry

2 minutes 29 seconds

Now Playing As: Captioned (English) (change)

Photogrammetry is the science of making precise measurements by the use of photography. United States Geological Survey (USGS) geologist Angie Diefenbach describes how she uses a digital camera and computer software to understand the growth rate of lava domes during a volcanic eruption.

Media Details

Runtime: 2 minutes 29 seconds

Topic: Science, Technology
Subtopic: Computers, Earth Sciences, Geology
Grade/Interest Level: 9 - 12
Standards:

Release Year: 2012
Producer/Distributor: U.S. Geological Survey
Series: Volcano Web Shorts

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Volcano Hazards Program

Laptop computer showing a split screen of a picture and a computer image. Caption: and build a digital elevation model of the lava dome.

Computer screen showing a dry riverbed with a rushing wall of wet debris. Caption: Debris flows are masses of rock and mud and water

Aerial view of billowing gray clouds of ash and smoke. Caption: One tool of volcano seismology is the seismic network.

Camera on a tripod next to other equipment, covered in ice and snow. Caption: We need instruments that survive and still transmit data

Aerial view of a volcano emitting a plume of ash and dust. Caption: Our objective is to keep people safe

Computer screen showing a satellite map with population data. Caption: We can identify the number of people