File:Eew motion graphic.gif
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Size of this preview: 800 × 480 pixels. Other resolutions: 320 × 192 pixels | 1,140 × 684 pixels.
Original file (1,140 × 684 pixels, file size: 20.19 MB, MIME type: image/gif, looped, 100 frames, 30 s)
Note: Due to technical limitations, thumbnails of high resolution GIF images such as this one will not be animated.
Summary
| Description |
English: How earthquake early warning systems work. Upon a fault rupture, fast primary and slow secondary waves travel through the ground. The P-wave information is collected from seismometers and analyzed at a central station, and alerts on estimated magnitude, intensity, epicenter, and time til shaking are transmitted via sirens, phones, computers, television, radio, and other warning systems. |
| Source | https://www.usgs.gov/media/images/earthquake-early-warning-basics |
| Author | USGS |
Licensing
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:13, 9 December 2019 | | 1,140 × 684 (20.19 MB) | wikimediacommons>Awesome Aasim | {{Information |description ={{en|1=How earthquake early warning systems work. Upon a fault rupture, fast primary and slow secondary waves travel through the ground. The P-wave information is collected and analyzed at a central station, and alerts on estimated magnitude, intensity, epicenter, and time til shaking are transmitted via sirens, phones, computers, television, radio, and other warning systems.}} |date = |source =https://www.usgs.gov/media/images/earthquake-early-... |
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