You're viewing a new version of www.ctbto.org.   Give Feedback

Country Profiles

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
Y
Z

Country

Japan

|

Annex 2 State*

Yes

|

Signature Date

1996-09-23

|

Ratification Date

1997-07-07

|

Monitoring Facilties

Location Type Treaty Code Status
Japan Atomic Energy Research Institute Tokai, Ibaraki Radionuclide Laboratories RL11 Certified
Kunigami, Okinawa Auxiliary Seismic AS052 Certified
Matsushiro Primary Seismic PS22 Certified
Isumi Infrasound IS30 Certified
Ohita, Kyushu Auxiliary Seismic AS051 Certified
Hachijojima, Izu Islands Auxiliary Seismic AS053 Certified
Kamikawa-asahi, Hokkaido Auxiliary Seismic AS054 Certified
Chichijima, Ogasawara Auxiliary Seismic AS055 Certified
Okinawa Radionuclide RN37 Certified
Takasaki, Gunma Radionuclide with Noble Gas RN38 Certified

Additional Information

Tsunami Warning Agreement: signed (11 August 2008), see CTBTO press release

Japan was the fourth State to ratify the CTBT, see CTBTO press release.

Featured station: Radionuclide station RN38, Takasaki

Facility Agreement to be concluded.