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	<id>https://damtoolbox.org/index.php?action=history&amp;feed=atom&amp;title=Deterministic_Seismic_Analysis</id>
	<title>Deterministic Seismic Analysis - Revision history</title>
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	<updated>2026-05-21T20:39:57Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://damtoolbox.org/index.php?title=Deterministic_Seismic_Analysis&amp;diff=5773&amp;oldid=prev</id>
		<title>Grichards at 23:59, 14 December 2022</title>
		<link rel="alternate" type="text/html" href="https://damtoolbox.org/index.php?title=Deterministic_Seismic_Analysis&amp;diff=5773&amp;oldid=prev"/>
		<updated>2022-12-14T23:59:22Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 23:59, 14 December 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l2&quot;&gt;Line 2:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 2:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category: Seismic]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category: Seismic]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;----&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;----&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the deterministic approach, individual earthquake scenarios (earthquake magnitude and location) are developed for each relevant [[seismic]] source and a specified ground motion probability level is selected (&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;by tradition&lt;/del&gt;, it is either 0 or 1 standard deviation above the median). Based on the earthquake location, the distance to the site is computed. Given the magnitude, distance, and number of standard deviations for the ground motion, the ground motion is then computed for each earthquake scenario, using a ground motion prediction equation (previously called an attenuation relation) that is based on either empirical ground motions or numerical simulations of ground motions. The largest ground motion (at a specific period) from any of the considered scenarios is used for the design ground motion. The approach is “deterministic” in that single values of the parameters (magnitude, distance, and number of standard deviations for the ground motion) are selected for each scenario.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the deterministic approach, individual earthquake scenarios (earthquake magnitude and location) are developed for each relevant [[seismic]] source and a specified ground motion probability level is selected (&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;typically&lt;/ins&gt;, it is either 0 or 1 standard deviation above the median). Based on the earthquake location, the distance to the site is computed. Given the magnitude, distance, and number of standard deviations for the ground motion, the ground motion is then computed for each earthquake scenario, using a ground motion prediction equation (previously called an attenuation relation) that is based on either empirical ground motions or numerical simulations of ground motions. The largest ground motion (at a specific period) from any of the considered scenarios is used for the design ground motion. The approach is “deterministic” in that single values of the parameters (magnitude, distance, and number of standard deviations for the ground motion) are selected for each scenario.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;!-- For information on notation for in text citations visit https://www.mediawiki.org/wiki/Help:Cite  Or simply enclose the citation as shown &amp;lt;ref&amp;gt; citation &amp;lt;/ref&amp;gt; in the location of the in text mention. Citations will automatically populate below--&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;!-- For information on notation for in text citations visit https://www.mediawiki.org/wiki/Help:Cite  Or simply enclose the citation as shown &amp;lt;ref&amp;gt; citation &amp;lt;/ref&amp;gt; in the location of the in text mention. Citations will automatically populate below--&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Grichards</name></author>
	</entry>
	<entry>
		<id>https://damtoolbox.org/index.php?title=Deterministic_Seismic_Analysis&amp;diff=5772&amp;oldid=prev</id>
		<title>Grichards: Created page with &quot;__NOTOC__ Category: Seismic ---- In the deterministic approach, individual earthquake scenarios (earthquake magnitude and location) are developed for each relevant seismic source and a specified ground motion probability level is selected (by tradition, it is either 0 or 1 standard deviation above the median). Based on the earthquake location, the distance to the site is computed. Given the magnitude, distance, and number of standard deviations for the ground motion,...&quot;</title>
		<link rel="alternate" type="text/html" href="https://damtoolbox.org/index.php?title=Deterministic_Seismic_Analysis&amp;diff=5772&amp;oldid=prev"/>
		<updated>2022-12-14T23:58:16Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;__NOTOC__ &lt;a href=&quot;/index.php?title=Category:Seismic&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Category:Seismic (page does not exist)&quot;&gt;Category: Seismic&lt;/a&gt; ---- In the deterministic approach, individual earthquake scenarios (earthquake magnitude and location) are developed for each relevant seismic source and a specified ground motion probability level is selected (by tradition, it is either 0 or 1 standard deviation above the median). Based on the earthquake location, the distance to the site is computed. Given the magnitude, distance, and number of standard deviations for the ground motion,...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;__NOTOC__&lt;br /&gt;
[[Category: Seismic]]&lt;br /&gt;
----&lt;br /&gt;
In the deterministic approach, individual earthquake scenarios (earthquake magnitude and location) are developed for each relevant [[seismic]] source and a specified ground motion probability level is selected (by tradition, it is either 0 or 1 standard deviation above the median). Based on the earthquake location, the distance to the site is computed. Given the magnitude, distance, and number of standard deviations for the ground motion, the ground motion is then computed for each earthquake scenario, using a ground motion prediction equation (previously called an attenuation relation) that is based on either empirical ground motions or numerical simulations of ground motions. The largest ground motion (at a specific period) from any of the considered scenarios is used for the design ground motion. The approach is “deterministic” in that single values of the parameters (magnitude, distance, and number of standard deviations for the ground motion) are selected for each scenario. &lt;br /&gt;
&lt;br /&gt;
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		<author><name>Grichards</name></author>
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