If I do not know the depth to be assigned to a seismic source, how can I specify this field?
Depth of the sources
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- Last Post 25 February 2021
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Asked_at_class
posted this
23 October 2017
- Last edited 08 March 2022
Content_Manager
posted this
23 October 2017
If you do not know the seismic source’s depth, you can assume it is a source that is parallel to earth’s surface with depth equal to average depth of whole earthquakes inside that source. This means that depth will be the same for all source vertexes.
Asked_at_class
posted this
23 October 2017
Should I use the negative symbol (-) before the depth number (regardless of the case)?
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Content_Manager
posted this
23 October 2017
Depth values (in km) must be provided always as positive numbers. A negative depth would mean events above earth’s surface.
srijit
posted this
25 February 2021
Dear recently found that the effect of change in depth has no effect in PSHA. Can you please clarify that? I have used Atkinson Boore relationship, but no effect. When changing the equation then I found some effect.
What is the reason? Atkinson Boore (2008) attenuation relationships should some effect on depth of source.
