Federal government departments, civil regulations, emergency services, cultural affairs, and consulate services that may be of use to tourists visiting Japan.
Emergency Services
Emergency call to police
Call 110 to report an accident or crime to the police call center.
Emergency call to coast guard
Call 118 to report an accident or crime at sea to the Japan Coast Guard.
Emergency call to fire and ambulance
Call 119 for fire, ambulance, emergency rescue
TICC - Tokyo International Communication Commitee
What to Do in Case of Emergency (Fires, Lost & Found, Earthquakes, Typhoons, ...)
--https://www.tokyo-icc.jp/guide_eng/kinkyu/01.html
It would also be wise to download the Japan Shelter Guide app on your smartphone in case there's need to look for a nearby shelter, as well as the JAPAN Hospital Guide app for a list of nearby English-capable hospitals and clinics. http://www.japantraveller.org/info/useful-smartphone-apps-for-japan/
MOFA - Ministry of Foreign Affairs in Japan
List of Embassies and Consulates in Japan
--https://www.mofa.go.jp/about/emb_cons/protocol/index.html
Visa related services
--https://www.mofa.go.jp/j_info/visit/visa/index.html
Information on Border Enforcement due to COVID-19 and Quarantine Measures
--https://www.mofa.go.jp/ca/fna/page4e_001053.html
MLIT - Minister of Land, Infrastructure, Transport and Tourism
Disaster Prevention Portal for the Olympics
-- https://www.mlit.go.jp/river/bousai/olympic/en/index.html
Civil Aviation Bureau on Unmanned Aircraft (UA)/Drones
-- https://www.mlit.go.jp/en/koku/uas.html
JTA: Japan Tourism Agency
-- https://www.mlit.go.jp/kankocho/en/
JTSB: Japan Transport Safety Board
-- https://www.mlit.go.jp/jtsb/english.html
JMA - Japan Meteorological Agency
Earthquake Information
-- http://www.jma.go.jp/en/quake/
Tropical Cyclone Information
-- http://www.jma.go.jp/en/typh/
MEXT - Ministry of Education, Culture, Sports, Science and Technology
ACA: Agency for Cultural Affairs, under MEXT
-- https://www.bunka.go.jp/english/
Additional government departments
Japan Customs
-- https://www.customs.go.jp/english/index.htm
CAA: Consumer Affairs Agency
-- http://www.caa.go.jp/en/index.html
FSC: Food Safety Commission of Japan
-- https://www.fsc.go.jp/english/
MOJ: Ministry of Justice
-- http://www.moj.go.jp/EN/index.html
MAFF: Ministry of Agriculture, Forestry and Fisheries
-- https://www.maff.go.jp/e/index.html
METI: Ministry of Economy, Trade and Industry
-- https://www.meti.go.jp/english/