| 26 Sep 2011 | Updated | Links |
| 13 Sep 2011 | New Page | Publications - Publications |
| 1 Aug 2011 | Updated | Organization - Board Members |
| 6 Jul 2011 | Updated | Reports - Activity Statements |
| 6 Jul 2011 | Updated | Events - Calendar - The Ordinary General Assembly 2011 - Notice of Resolution and the meeting closed. |
| 20 Jun 2011 | Updated | What is IPA - Outline |
| 20 Jun 2011 | Updated | Links |
| 7 Jun 2011 | Updated | Events - Calendar - The Ordinary General Assembly 2011 - Opening day of the meeting |
| 31 May 2011 | Updated | Links |
| 25 May 2011 | Updated | Events - Calendar - The Ordinary General Assembly 2011 - Notification of Call |
| 7 Apr 2011 | New Page | What is IPA - Outline |
| 1 Apr 2011 | Updated | Organization - Board of Directors |
| 9 Mar 2011 | New Page | Events - Report Meetings of 3nd IPA International Workshop |
| 7 Jan 2011 | New Page | 3rd IPA Research Grant Award - Award Ceremony |
| 7 Jan 2011 | New Page | 2nd IPA Research Grant Award - Research Presentation |
| 7 Jan 2011 | New Page | 3rd IPA International Workshop - Event Report |
| 1 Nov 2010 | Updated | 3rd IPA Research Grant Award - Schedule |
| 1 Nov 2010 | Updated | 2nd IPA Research Grant Award - Schedule |
| 1 Nov 2010 | Updated | 3rd IPA International Workshop - Programme |
| 1 Nov 2010 | Updated | Headline - 3rd IPA International Workshop |
| 1 Nov 2010 | New Page | Other Activities - Dr Okumura lectured at the 2010 JPA General Assembly |
| 1 Nov 2010 | New Page | Other Activities - Dr Okumura lectured at the 2009 JPA General Assembly |
| 25 Oct 2010 | Updated | Events - Calendar - 3rd IPA International Workshop - ended |
| 10 Sep 2010 | Updated | 3rd IPA International Workshop - Programme |
| 10 Sep 2010 | New Page | 3rd IPA Research Grant Award - Awarded Proposals |
| 19 Aug 2010 | New Page | 2nd IPA Press-in Seminar in Kochi - Event Report |
| 19 Aug 2010 | New Page | Other Activities - FY2010 1st Meeting of Research Committee |
| 3 Aug 2010 | Updated | Corporate Members and Organizations that Board of Directors belong to |
| 3 Aug 2010 | Updated | Reports - Activity Statements |
| 3 Aug 2010 | Updated | Reports - Financial Statements |
| 3 Aug 2010 | Updated | Organization - Board of Directors |
| 3 Aug 2010 | Updated | Organization - Constitution |
| 6 Jul 2010 | Updated | Events - Calendar - The Ordinary General Assembly 2010 - Opening day of the meeting |
| 25 Jun 2010 | Updated | Organization - Board of Directors |
| 22 Jun 2010 | Updated | Events - Calendar - The Ordinary General Assembly 2010 - Notification of Call |
| 16 Jun 2010 | Updated | 3rd IPA Research Grant Award - Schedule |
| 9 Jun 2010 | Updated | Headline - 3rd IPA International Workshop |
| 9 Jun 2010 | New Page | 3rd IPA International Workshop - Programme |
| 31 May 2010 | New Page | 3rd IPA International Workshop - Registration |
| 31 May 2010 | New Page | 3rd IPA International Workshop - Description |
| 14 Apr 2010 | New Page | 3rd IPA Research Grant Award - Proposal Call |
| 2 Apr 2010 | New Page | Other Activities - 3rd Meeting of Research Committee |
| 2 Apr 2010 | New Page | Other Activities - 2nd Meeting of Research Committee |
| 19 Feb 2010 | New Page | 3rd IPA Research Grant Award - Schedule |
| 19 Feb 2010 | Updated | Awards |
| 17 Feb 2010 | New Page | 3rd IPA International Workshop - Outline |
| 17 Feb 2010 | Updated | Events - Calendar - 3rd IPA International Workshop |
| 17 Feb 2010 | Updated | Membership |
| 17 Feb 2010 | Updated | Contacts |
| 8 Dec 2009 | Updated | Contacts |
| 4 Nov 2009 | Updated | Corporate Members and Organizations that Board of Directors belong to |
| 28 Oct 2009 | New Page | Other Activities - Meeting of Research Committee in Tokyo with invited geotechnical specialists |
| 17 Sep 2009 | Updated | Events - Calendar |
| 11 Sep 2009 | Updated | Reports - Financial Statements |
| 11 Sep 2009 | Updated | Reports - Activity Statements |
| 13 Jul 2009 | New Page | Other Activities - Chairman Prof. Bolton and IPA Secretariat had a meeting in Kochi, Japan |
| 1 Jul 2009 | Updated | Corporate Members and Organizations that Board of Directors belong to |
| 9 Apr 2009 | Updated | Publicity - Magazine |
| 17 Mar 2009 | Updated | Publicity - Newspaper |
| 12 Mar 2009 | Updated | Other Activities |
| 12 Mar 2009 | Updated | Publicity - Newspaper |
| 10 Mar 2009 | New Page | Report Meetings of 2nd IPA International Workshop |
| 9 Mar 2009 | New Page | 2nd IPA International Workshop and General Assembly - Event Report Part 3 |
| 6 Mar 2009 | New Page | 2nd IPA Research Grant Award - Award Ceremony |
| 6 Mar 2009 | New Page | 2nd IPA International Workshop and General Assembly - Event Report Part 2 |
| 5 Mar 2009 | New Page | 2nd IPA International Workshop and General Assembly - Event Report Part 1 |
| 3 Mar 2009 | New Page | 1st IPA Research Grant Award - Research Presentation |
| 3 Mar 2009 | Updated | Publicity - Magazine |
| 18 Feb 2009 | Updated | 2nd IPA International Workshop and General Assembly - Programme |
| 17 Feb 2009 | Updated | Publicity - Newspaper |
| 17 Feb 2009 | Updated | 1st IPA Research Grant Award - Schedule |
| 13 Feb 2009 | Updated | Organization - Board of Directors |
| 10 Feb 2009 | New Page | 2nd IPA Research Grant Award - Awarded Proposals |
| 12 Sep 2008 | New Page | 2nd IPA International Workshop and General Assembly - Registration |
| 12 Sep 2008 | New Page | 2nd IPA International Workshop and General Assembly - Description |
| 12 Sep 2008 | Updated | 2nd IPA International Workshop and General Assembly - Programme |
| 12 Sep 2008 | Updated | 2nd IPA International Workshop and General Assembly - Outline |
| 12 Sep 2008 | Updated | Events - Calendar - 2nd IPA International Workshop and General Assembly |
| 11 Jun 2008 | New Page | Other Activities - Dr Okumura lectured at the 2008 JPA General Assembly |
| 9 Jun 2008 | New Page | What is Press-in - Press-in Operation (CG Movie) |
| 2 Jun 2008 | New Page | Reports, Publicity, Links |
| 21 May 2008 | New Page | 2nd IPA International Workshop and General Assembly - Programme |
| 20 May 2008 | New Page | 2nd IPA International Workshop and General Assembly - Outline |
| 14 May 2008 | Updated | Map of Research and Development |
| 15 Apr 2008 | New Page | 2nd IPA Research Grant Award |
| 15 Apr 2008 | Updated | 1st IPA Research Grant Award |
| 15 Apr 2008 | | Minor updates on Awards and menu structure |
| 26 Nov 2007 | New page | Other Activities, Downloads |
| 29 Oct 2007 | New page | Organization Chart |
| 28 Sep 2007 | New page | Membership |
| 12 Jul 2007 | New page | Publications |
| 28 Jun 2007 | New page | Research Collaboration of Giken / Cambridge University |
| 16 Apr 2007 | | Online debut of brandnew IPA official website |