<SEC-DOCUMENT>0000866609-15-000026-index.html : 20150507
<SEC-HEADER>0000866609-15-000026.hdr.sgml : 20150507
<ACCEPTANCE-DATETIME>20150507082211
ACCESSION NUMBER:		0000866609-15-000026
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20150506
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20150507
DATE AS OF CHANGE:		20150507

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ION GEOPHYSICAL CORP
		CENTRAL INDEX KEY:			0000866609
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL AND GAS FIELD EXPLORATION SERVICES [1382]
		IRS NUMBER:				222286646
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12691
		FILM NUMBER:		15839546

	BUSINESS ADDRESS:	
		STREET 1:		2105 CITYWEST BLVD
		STREET 2:		SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			770422839
		BUSINESS PHONE:		281.933.3339

	MAIL ADDRESS:	
		STREET 1:		2105 CITYWEST BLVD
		STREET 2:		SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			770422839

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INPUT OUTPUT INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a8k-2015xq1xearnings.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a8k-2015xq1xearnings.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex991earningsrelease2015-q1.htm
<DESCRIPTION>EXHIBIT 99.1 EARNINGS RELEASE
<TEXT>
Document 2 - file: ex991earningsrelease2015-q1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ioq115earningspresentati.htm
<DESCRIPTION>EXHIBIT 99.2 EARNINGS PRESENTATION
<TEXT>
Document 3 - file: ioq115earningspresentati.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ioq115earningspresentati001.jpg
<TEXT>
Document 4 - file: ioq115earningspresentati001.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ioq115earningspresentati002.jpg
<TEXT>
Document 5 - file: ioq115earningspresentati002.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>ioq115earningspresentati003.jpg
<TEXT>
Document 6 - file: ioq115earningspresentati003.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>ioq115earningspresentati004.jpg
<TEXT>
Document 7 - file: ioq115earningspresentati004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>ioq115earningspresentati005.jpg
<TEXT>
Document 8 - file: ioq115earningspresentati005.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>ioq115earningspresentati006.jpg
<TEXT>
Document 9 - file: ioq115earningspresentati006.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>ioq115earningspresentati007.jpg
<TEXT>
Document 10 - file: ioq115earningspresentati007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>ioq115earningspresentati008.jpg
<TEXT>
Document 11 - file: ioq115earningspresentati008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>ioq115earningspresentati009.jpg
<TEXT>
Document 12 - file: ioq115earningspresentati009.jpg

</DOCUMENT>
</SEC-DOCUMENT>