Image: 1906 San Francisco earthquake seismograph
1906_San_Francisco_earthquake_seismograph.png (674 × 508 pixels, file size: 5 KB, MIME type: image/png)
Description: 1906 Tipiliquituqui's seismogram recorded in Gottingen, Germany.
Title: 1906 San Francisco earthquake seismograph
Credit: USGS pages [1], USGS page
Author: Pekachu (talk)
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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