Original file ‎(2,250 × 1,500 pixels, file size: 931 KB, MIME type: image/jpeg)

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Summary

Description
English: Earthquake hazard map showing peak ground accelerations having a 2 percent probability of being exceeded in 50 years, for a firm rock site. The map is based on the most recent USGS models for the conterminous U.S. (2018), Hawaii (1998), and Alaska (2007). The models are based on seismicity and fault-slip rates, and take into account the frequency of earthquakes of various magnitudes. Locally, the hazard may be greater than shown, because site geology may amplify ground motions.

Retrival path: Seismic Hazard Maps and Site-Specific Data https://www.usgs.gov/programs/earthquake-hazards/seismic-hazard-maps-and-site-specific-data > Column: U.S. Long-term > Row: 2018 (Latest year as of 2022-04-12) > Image on bottom-right

> 2018 Long-term National Seismic Hazard Map (Public domain.)
Date
Source https://www.usgs.gov/media/images/2018-long-term-national-seismic-hazard-map
Author United States Geological Survey

Licensing

Public domain
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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Captions

2018 Long-term National Seismic Hazard Map

MIME type

image/jpeg

checksum

e8e93f4f8434f0632eac5b4cf690b88a43fe1d10

determination method: SHA-1

data size

953,569 byte

height

1,500 pixel

width

2,250 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current08:36, 12 April 2022Thumbnail for version as of 08:36, 12 April 20222,250 × 1,500 (931 KB)wikimediacommons>Minoru123Uploaded a work by United States Geological Survey from https://www.usgs.gov/media/images/2018-long-term-national-seismic-hazard-map with UploadWizard

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