Tsunami hits north-eastern Japan after massive quake [online]. BBC, 11.3.2011, [cit. 2011-03-11]. Dostupné online. (po anglicky)
channelnewsasia.com
Major tsunami hits Japan after massive quake [online]. channelnewsasia.com, [cit. 2011-03-11]. Dostupné online. Archivované 2011-03-16 z originálu. (po anglicky)
dw-world.de
Quake shifted Japan by over two meters [online]. dw-world.de, 14.3.2011, [cit. 2011-04-24]. Dostupné online. (po anglicky)
fdma.go.jp
Press release no. 162 of the 2011 Tohuku earthquake] (PDF), Wayback Machine [online]. fdma.go.jp, Fire and Disaster Management Agency, [cit. 2022-08-27]. Dostupné online. Archivované 2022-08-27 z originálu.
Millions Of Stricken Japanese Lack Water, Food, Heat [online]. npr.org, [cit. 2011-04-24]. Dostupné online. (po anglicky)
usgs.gov
usgs.gov
USGS Updates Magnitude of Japan’s 2011 Tohoku Earthquake to 9.0 [online]. USGS, 14.3.2011, [cit. 2011-03-14]. Dostupné online. (po anglicky)
earthquake.usgs.gov
Magnitude 8.9 - Near the east coast of Honshu, Japan
11. marec 2011 05:46:23 UTC [online]. earthquake.usgs.gov, [cit. 2011-03-11]. Dostupné online. (po anglicky)
web.archive.org
Press release no. 162 of the 2011 Tohuku earthquake] (PDF), Wayback Machine [online]. fdma.go.jp, Fire and Disaster Management Agency, [cit. 2022-08-27]. Dostupné online. Archivované 2022-08-27 z originálu.
Major tsunami hits Japan after massive quake [online]. channelnewsasia.com, [cit. 2011-03-11]. Dostupné online. Archivované 2011-03-16 z originálu. (po anglicky)