Situation Reports:
UN OCHA:
Samoa/Tonga: Tsunami OCHA Situation Report No. 5 (as of October 4, 2009)
Link: http://www.reliefweb.int/rw/rwb.nsf/db900sid/RMOI-7WHMXB/$File/full_report.pdf
"The Government of Tonga and the Red Cross indicate that current relief efforts are within the capacity of existing partners and that the situation is under control. It is likely that additional support will be sought to manage early recovery efforts."
Government of Tonga (as of October 6, 2009): https://www.pmo.gov.to/operation-niuatoputapu-day-7-october-6-2009.html
IFRC Bulletin No. 1 (as of October 5, 2009): http://www.reliefweb.int/rw/rwb.nsf/db900sid/EDIS-7WJKN9/$File/full_report.pdf
Other Links:
Reliefweb: http://www.reliefweb.int/rw/dbc.nsf/doc104?OpenForm&rc=5&cc=ton
Pacific Disaster Net has setup a site to post all related info on the UNDAC post tsunami response in Samoa and Tonga.
Link: http://www.pacificdisaster.net:8080/Plone/samoa-tsunami/ (as of Oct. 10, 2009)
NASA ASTER:
Post-disaster satellite images of Niuatoputapu.
Link: http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=40875
DigitalGlobe:
Post-disaster (December 2, 2009) image of Niuatoputapu island.
Link: http://browse.digitalglobe.com/imagefinder/showBrowseMetadata?catalogId=101001000AB69400
Post-disaster (October 1, 2009) image of Niuatoputapu island.
Link: http://archive.digitalglobe.com/archive/showBrowse.php?catID=101001000A5CB601