File:Harmonic-tremor.jpg

Harmonic-tremor.jpg(768 × 560 pixels, file size: 247 KB, MIME type: image/jpeg)

Summary

Description
English: Example of seismograph recording of harmonic tremor.
Date Unknown date
Unknown date
Source http://www.fs.fed.us/gpnf/mshnvm/education/teachers-corner/global/images/pre-eruption/19800329-40280lg.jpg
Author USGS

Licensing

Public domain
This image is a work of the Forest Service of the United States Department of Agriculture. As a work of the U.S. federal government, the image is in the public domain.

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Date/TimeThumbnailDimensionsUserComment
current23:50, 31 December 2008Thumbnail for version as of 23:50, 31 December 2008768 × 560 (247 KB)Eeekster{{Information |Description={{en|1=Example of seismograph recording of harmonic tremor.}} |Source=http://www.fs.fed.us/gpnf/mshnvm/education/teachers-corner/global/images/pre-eruption/19800329-40280lg.jpg |Author=USGS |Date=unknown |Permission= |other_vers
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