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Smith Sam K – ‘4/A’ for 8/20/08 re: Ion Geophysical Corp.

On:  Thursday, 8/21/08, at 3:15pm ET   ·   For:  8/20/08   ·   As:  Other   ·   Accession #:  1209191-8-48588   ·   File #:  1-12691

Previous ‘4’:  ‘4’ on 8/21/08 for 8/19/08   ·   Latest ‘4’:  This Filing

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/21/08  Smith Sam K                       4/A        Other       1:5K   Ion Geophysical Corp.             DONNELLEY FIN… File16/FA

Amendment to Statement of Changes in Beneficial Ownership of Securities by an Insider   —   Form 4   —   SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 4/A         Form 4/A Submission -- doc4a.xml/3.3                HTML      6K


        

This ‘4/A’ Document is an XML Data File that may be rendered in various formats:

  Form 4    –   Plain Text   –  SEC Website  –  EDGAR System  –    XML Data    –  <?xml?> File
 
 
XML Data rendering:  Form 4/A Submission
 
                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<ownershipDocument>
<schemaVersion> X0303 </schemaVersion>
<documentType> 4/A </documentType>
<periodOfReport> 2008-08-20 </periodOfReport>
<dateOfOriginalSubmission> 2008-08-21 </dateOfOriginalSubmission>
<notSubjectToSection16> 1 </notSubjectToSection16>
<issuer>
<issuerCik> 0000866609 </issuerCik>
<issuerName> ION GEOPHYSICAL CORP </issuerName>
<issuerTradingSymbol> IO </issuerTradingSymbol>
</issuer>
<reportingOwner>
<reportingOwnerId>
<rptOwnerCik> 0001228220 </rptOwnerCik>
<rptOwnerName> SMITH SAM K </rptOwnerName>
</reportingOwnerId>
<reportingOwnerAddress>
<rptOwnerStreet1> 2105 CITYWEST BOULEVARD </rptOwnerStreet1>
<rptOwnerStreet2> SUITE 400 </rptOwnerStreet2>
<rptOwnerCity> HOUSTON </rptOwnerCity>
<rptOwnerState> TX </rptOwnerState>
<rptOwnerZipCode> 77042-2839 </rptOwnerZipCode>
<rptOwnerStateDescription></rptOwnerStateDescription>
</reportingOwnerAddress>
<reportingOwnerRelationship>
<isDirector> 0 </isDirector>
<isOfficer> 0 </isOfficer>
<isTenPercentOwner> 0 </isTenPercentOwner>
<isOther> 1 </isOther>
<otherText> Former Director </otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable>
<nonDerivativeTransaction>
<securityTitle>
<value> Common Stock </value>
</securityTitle>
<transactionDate>
<value> 2008-08-20 </value>
</transactionDate>
<deemedExecutionDate></deemedExecutionDate>
<transactionCoding>
<transactionFormType> 4 </transactionFormType>
<transactionCode> S </transactionCode>
<equitySwapInvolved> 0 </equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value> 5000 </value>
</transactionShares>
<transactionPricePerShare>
<value> 15.90 </value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value> D </value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value> 10754 </value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value> D </value>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeTransaction>
<nonDerivativeTransaction>
<securityTitle>
<value> Common Stock </value>
</securityTitle>
<transactionDate>
<value> 2008-08-21 </value>
</transactionDate>
<deemedExecutionDate></deemedExecutionDate>
<transactionCoding>
<transactionFormType> 4 </transactionFormType>
<transactionCode> S </transactionCode>
<equitySwapInvolved> 0 </equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value> 8900 </value>
</transactionShares>
<transactionPricePerShare>
<value> 15.90 </value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value> D </value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value> 1854 </value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value> D </value>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeTransaction>
</nonDerivativeTable>
<footnotes></footnotes>
<remarks></remarks>
<ownerSignature>
<signatureName> /s/ Debra A. Addington, Attorney-in-fact </signatureName>
<signatureDate> 2008-08-21 </signatureDate>
</ownerSignature>
</ownershipDocument>


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Filing Submission 0001209191-08-048588   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
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