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Summary
| Description |
English: Graphic showing the alert thresholds for USGS's ShakeAlert system, as of June 2021. Originally uploaded to the ShakeAlert Twitter channel in a May 7, 2021 tweet. |
| Date | |
| Source | https://twitter.com/USGS_ShakeAlert/status/1390559165928542212 |
| Author | United States Geological Survey |
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 | 15:59, 22 May 2021 | | 1,200 × 771 (128 KB) | Beneathtimp | Original image |
| 15:54, 22 May 2021 |  | 3,721 × 2,391 (1.38 MB) | Beneathtimp | Uploaded a work by United States Geological Survey from https://twitter.com/USGS_ShakeAlert/status/1390559165928542212 with UploadWizard |
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