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Title: Vibrating Trailer for Seismic Reflection Surveys

Description:

Towed behind a pickup truck, this large heavy trailer (with two white water tanks on the back for added weight) vibrates and sends low-amplitude sound waves into the ground. An array of seismometers record the returning echoes. Computer processing of the recordings will produce a picture of the Earth that is similar to sonograms used in medical imaging. 

Location: Los Angeles, CA, USA

Date Taken: 2007

Photographer: Thomas Pratt , U.S. Geological Survey

Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.

Source:

File Details:
Type: JPEG image - 152.95 KB
Dimensions: 431 x 323
Resolution: 72 dpi

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Tags: NR2012_06_21 SeismicReflection SeismicSurvey earthquake hazard quake vibration