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< Vmax | < 10 * Vmax | < 100 * Vmax | > 100 * Vmax |
Stations: 357 | Date UTC | Radiation μGy/h |
Vmin ~ Vmax μGy/h |
Kurahashi Maizuru City | 2015-03-31 02:50 | 0.048 | 0.036~0.093333 |
Shiokumi Maizuru City | 2015-03-31 02:50 | 0.036 | 0.021~0.168667 |
Oitomi Ayabe City | 2015-03-31 02:50 | 0.044 | 0.024~0.1175 |
Okayasu Maizuru City | 2015-03-31 02:50 | 0.037 | 0.025333~0.1115 |
Oyama Maizuru City | 2015-03-31 02:50 | 0.032 | 0.019~0.097667 |
Kijiyama Misasa Town | 2015-03-31 02:50 | 0.049 | 0.0145~0.0925 |
Takasimamati | 2015-03-31 02:50 | 0.024 | 0.01725~0.074333 |
Kichisaka Maizuru City | 2015-03-31 02:50 | 0.037 | 0.022667~0.1355 |
Radiation dose at JAEA Oarai (P12) | 2014-04-29 06:50 | 0.048 | 0.114 (Japan mean) |
Chikagawa Mutu City | 2013-05-31 06:00 | 0.023 | 0.013833~0.076833 |
Tasaki Hokota City | 2013-05-31 06:00 | 0.068 | 0.032167~0.066167 |
Sakuragaike community hall Omaezaki City | 2013-05-31 06:00 | 0.045 | 0.07~0.120833 |
Satsuma-sendai monitoring center Satsuma-sendai City | 2013-05-31 06:00 | 0.043 | 0.039167~0.0875 |
Isobe Hitachiota City | 2013-05-31 06:00 | 0.059 | 0.042~0.346 |
Hukada-kita Matsue City | 2013-05-31 06:00 | 0.028 | 0.019~0.081833 |
Kataku Matsue City | 2013-05-31 06:00 | 0.043 | 0.036833~0.088833 |
Odanosawa Higashidoori Village | 2013-05-31 06:00 | 0.016 | 0.0145~0.0745 |
Yatabe Ibaraki Town | 2013-05-31 06:00 | 0.062 | 0.036~0.060167 |
Omaezaki City monitoring center | 2013-05-31 06:00 | 0.038 | 0.074~0.1235 |
Takae Satsuma-sendai City | 2013-05-31 06:00 | 0.032 | 0.026~0.077333 |
Futatsunuma Hirono Town | 2013-05-31 06:00 | 0.195 | 0.036333~0.1 |
Tsuchikawa Nanao City | 2013-05-31 06:00 | 0.039 | 0.025~0.108833 |
Izumisano municipal Hineno primary scool Station | 2013-05-31 06:00 | 0.042 | 0.041~0.080167 |
Minami-Horoni Kyowa Town | 2013-05-31 06:00 | 0.036 | 0.016333~0.099833 |
Onuki Oarai Town | 2013-05-31 06:00 | 0.070 | 0.033~0.081167 |
Daitou branch Kakegawa City | 2013-05-31 06:00 | 0.039 | 0.0495~0.120667 |
Minato Satsuma-sendai City | 2013-05-31 06:00 | 0.034 | 0.0264~0.070833 |
Matsudate Naraha Town | 2013-05-31 06:00 | 0.741 | 0.035~0.104333 |
Kashiwazaki-shigai Kashiwazaki City | 2013-05-31 06:00 | 0.042 | 0.026333~0.0935 |
Osaka prefectural Hineno high scool Station | 2013-05-31 06:00 | 0.035 | 0.035167~0.089 |
Horikappu Jinja Tomari Village | 2013-05-31 06:00 | 0.031 | 0.013~0.103333 |
Ishikawa Mito City | 2013-05-31 06:00 | 0.066 | 0.044~0.071667 |
Hitsuhama Ohi Town | 2013-05-31 06:00 | 0.029 | 0.028167~0.091167 |
Hirao Genkai Town | 2013-05-31 06:00 | 0.030 | 0.027833~0.162333 |
Tomioka Tomioka Town | 2013-05-31 06:00 | 2.535 | 0.034667~0.098333 |
Atom-kyoudou nursery school Station | 2013-05-31 06:00 | 0.051 | 0.053833~0.1005 |
Kayanuma Tomari Village | 2013-05-31 06:00 | 0.033 | 0.014167~0.0955 |
Ajigaura Hitachinaka City | 2013-05-31 06:00 | 0.070 | 0.0425~0.073333 |
Anojiri Obama City | 2013-05-31 06:00 | 0.029 | 0.02075~0.08 |
Hokawaduura Genkai Town | 2013-05-31 06:00 | 0.034 | 0.031~0.11775 |
Ono Okuma Town | 2013-05-31 06:00 | 3.408 | 0.037~0.088333 |
Shimo-Takamachi Kariwa Village | 2013-05-31 06:00 | 0.040 | 0.019~0.108667 |
Hairando Yokosuka City | 2013-05-31 06:00 | 0.039 | 0.022333~0.07 |
Kumatori Town office Station | 2013-05-31 06:00 | 0.036 | 0.039333~0.076167 |
Godai Naka City | 2013-05-31 06:00 | 0.053 | 0.033333~0.060833 |
Kounoura Takahama Town | 2013-05-31 06:00 | 0.029 | 0.020333~0.084333 |
Toyonoura Ikata Town | 2013-05-31 06:00 | 0.012 | 0.0105~0.0595 |
Shinzan Futaba Town | 2013-05-31 06:00 | 4.226 | 0.037167~0.080167 |
Kurihama Yokosuka City | 2013-05-31 06:00 | 0.035 | 0.0245~0.066833 |
North point of Kinki University Atomic Energy Research Instirute Station | 2013-05-31 06:00 | 0.049 | 0.055167~0.077667 |
Sugaya Naka City | 2013-05-31 06:00 | 0.083 | 0.042167~0.107667 |
Takenami Mihama Town | 2013-05-31 06:00 | 0.070 | 0.0424~0.116333 |
Kuchogoshi Ikata Town | 2013-05-31 06:00 | 0.018 | 0.015~0.057667 |
Kiyohashi Namie Town | 2013-05-31 06:00 | 0.289 | 0.035333~0.073833 |
Hinode Town Yokosuka City | 2013-05-31 06:00 | 0.034 | 0.026667~0.044 |
Kadobe Naka City | 2013-05-31 06:00 | 0.053 | 0.034833~0.149667 |
Shiraki pass Tsuruga City | 2013-05-31 06:00 | 0.078 | 0.0336~0.139833 |
Ikatagoshi Ikata Town | 2013-05-31 06:00 | 0.019 | 0.017333~0.056833 |
Onagawa Onagawa Town | 2013-05-31 06:00 | 0.071 | 0.01~0.024 |
Shiohama Kawasaki Ward | 2013-05-31 06:00 | 0.049 | 0.038333~0.074667 |
Muramatsu Tokai Village | 2013-05-31 06:00 | 0.073 | 0.044333~0.075167 |
Tateishi Tsuruga City | 2013-05-31 06:00 | 0.069 | 0.0414~0.092167 |
Ningyotoge Kagamino Town | 2013-05-31 06:00 | 0.062 | 0.018667~0.099333 |
Touhoku Branch office Touhoku Town | 2013-05-31 06:00 | 0.017 | 0.011~0.053833 |
Momiyama Hokota City | 2013-05-31 06:00 | 0.073 | 0.037167~0.088167 |
Shinkango Omaezaki City | 2013-05-31 06:00 | 0.036 | 0.074~0.1335 |
Toyooka Tokai Village | 2013-05-31 06:00 | 0.073 | 0.0465~0.0745 |
Shika Shika Town | 2013-05-31 06:00 | 0.047 | 0.031167~0.119333 |
Nishi-hamasada Matsue City | 2013-05-31 06:00 | 0.047 | 0.027667~0.111167 |
Tomari Rokkasho Village | 2013-05-31 06:00 | 0.021 | 0.013833~0.104 |
Araji Hokota City | 2013-05-31 06:00 | 0.075 | 0.0425~0.074333 |
Shirasuna Omaezaki City | 2013-05-31 06:00 | 0.035 | 0.066~0.119167 |
Onuma Hitachi City | 2013-05-31 06:00 | 0.076 | 0.0365~0.065667 |
Noumi Shika Town | 2013-05-31 06:00 | 0.051 | 0.0285~0.123833 |
Koura Matsue City | 2013-05-31 06:00 | 0.041 | 0.036167~0.105833 |
Yokohama Town Office Yokohama Town | 2013-05-31 06:00 | 0.023 | 0.01725~0.094167 |
Tsukuriya Hokota City | 2013-05-31 06:00 | 0.089 | 0.039833~0.074167 |
Sakurasan Ward Omaezaki City | 2013-05-31 06:00 | 0.038 | 0.063~0.115333 |
Ueno Satsuma-sendai City | 2013-05-31 06:00 | 0.035 | 0.032~0.076333 |
Mayumi Hitachiota City | 2013-05-31 06:00 | 0.053 | 0.035833~0.063167 |
Otsu Nanao City | 2013-05-31 06:00 | 0.041 | 0.030333~0.098333 |
Mitsu Matsue City | 2013-05-31 06:00 | 0.041 | 0.03~0.088667 |
Owashi Matsue City | 2013-05-31 06:00 | 0.037 | 0.0325~0.094667 |
Sunagomata Higashidoori Village | 2013-05-31 06:00 | 0.022 | 0.011~0.0935 |
Nemoto Hitachioomiya City | 2013-05-31 06:00 | 0.080 | 0.037~0.082667 |
Hamaokakita primary school Omaezaki City | 2013-05-31 06:00 | 0.041 | 0.069833~0.1225 |
Kodaira Satsuma-sendai City | 2013-05-31 06:00 | 0.032 | 0.029~0.071667 |
Yamadaoka Naraha Town | 2013-05-31 06:00 | 0.222 | 0.038167~0.088667 |
Power Station- | 2013-05-31 06:00 | 0.034 | 0.014~0.1085 |
Osaka prefectural Sano supporting school Station | 2013-05-31 06:00 | 0.038 | 0.0345~0.097 |
Hattari Kyowa Town | 2013-05-31 06:00 | 0.037 | 0.017~0.112333 |
Yoshizawa Mito City | 2013-05-31 06:00 | 0.051 | 0.039167~0.063667 |
Ogasa branch Kikugawa City | 2013-05-31 06:00 | 0.043 | 0.075167~0.123333 |
Kyoudomarisaki Karatsu City | 2013-05-31 06:00 | 0.029 | 0.026~0.165 |
Shimo-Kooriyama Tomioka Town | 2013-05-31 06:00 | 1.212 | 0.035833~0.097667 |
Doai Kashiwazaki City | 2013-05-31 06:00 | 0.039 | 0.0195~0.0955 |
Kumatori town Minami primary school Station | 2013-05-31 06:00 | 0.048 | 0.048167~0.1065 |
Herokaruusu Tomari Village | 2013-05-31 06:00 | 0.034 | 0.009~0.107167 |
Horiguchi Hitachinaka City | 2013-05-31 06:00 | 0.079 | 0.036667~0.077 |
Obama Obama City | 2013-05-31 06:00 | 0.038 | 0.0336~0.0835 |
Sakibe Karatsu City | 2013-05-31 06:00 | 0.031 | 0.028~0.154 |
Yonomori Tomioka Town | 2013-05-31 06:00 | 3.066 | 0.036333~0.091333 |
Nishiyama Kashiwazaki City | 2013-05-31 06:00 | 0.040 | 0.016833~0.132333 |
Kumatori town Nishi primary school Station | 2013-05-31 06:00 | 0.051 | 0.052333~0.092833 |
Kamoenai Kamoenai Village | 2013-05-31 06:00 | 0.032 | 0.013~0.0905 |
Mawatari Hitachinaka City | 2013-05-31 06:00 | 0.073 | 0.044833~0.078167 |
Ogurui Takahama Town | 2013-05-31 06:00 | 0.040 | 0.028833~0.087333 |
Kashu Ikata Town | 2013-05-31 06:00 | 0.024 | 0.022667~0.069833 |
Yamada Futaba Town | 2013-05-31 06:00 | 16.230 | 0.038~0.095667 |
Kariwa Kariwa Village | 2013-05-31 06:00 | 0.037 | 0.019~0.105167 |
Nagasawa Yokosuka City | 2013-05-31 06:00 | 0.038 | 0.031~0.065333 |
The athletic field Station of Kinki University | 2013-05-31 06:00 | 0.038 | 0.0395~0.073833 |
Sawa Hitachinaka City | 2013-05-31 06:00 | 0.063 | 0.032333~0.061333 |
Otomi Takahama Town | 2013-05-31 06:00 | 0.044 | 0.035~0.098 |
Taisei Ikata Town | 2013-05-31 06:00 | 0.022 | 0.02~0.045167 |
kami-Hatori Futaba Town | 2013-05-31 06:00 | 1.606 | 0.034~0.086833 |
Funagura Yokosuka City | 2013-05-31 06:00 | 0.039 | 0.029~0.066 |
Kounosu Naka City | 2013-05-31 06:00 | 0.048 | 0.025667~0.055 |
Nyuu Mihama Town | 2013-05-31 06:00 | 0.061 | 0.0344~0.106 |
Kawanagata Ikata Town | 2013-05-31 06:00 | 0.024 | 0.02~0.060167 |
Yoriiso Ishinomaki City | 2013-05-31 06:00 | 0.086 | 0.012~0.027167 |
Chidori Kawasaki Ward | 2013-05-31 06:00 | 0.036 | 0.02~0.063833 |
Nukada Naka City | 2013-05-31 06:00 | 0.056 | 0.037833~0.066 |
Shiraki Tsuruga City | 2013-05-31 06:00 | 0.078 | 0.0376~0.1335 |
Ten-no Kagamino Town | 2013-05-31 06:00 | 0.056 | 0.022333~0.119 |
Misawa City hall Misawa City | 2013-05-31 06:00 | 0.021 | 0.017~0.1335 |
Oshima Kawasaki Ward | 2013-05-31 06:00 | 0.045 | 0.032667~0.071167 |
Oshinobe Tokai Village | 2013-05-31 06:00 | 0.060 | 0.040833~0.070167 |
Kouno Minami-Echizen Town | 2013-05-31 06:00 | 0.046 | 0.0344~0.084 |
Aomori Aomori City | 2013-05-31 06:00 | 0.027 | 0.014~0.068833 |
Chitose-daira Rokkasho Village | 2013-05-31 06:00 | 0.023 | 0.014~0.066667 |
Tokushuku Hokota City | 2013-05-31 06:00 | 0.065 | 0.032667~0.055667 |
Hiraba Omaezaki City | 2013-05-31 06:00 | 0.034 | 0.0395~0.119167 |
Ishigami Tokai Village | 2013-05-31 06:00 | 0.073 | 0.042167~0.067667 |
Akasumi Shika Town | 2013-05-31 06:00 | 0.047 | 0.04~0.1025 |
Sadahongou Matsue City | 2013-05-31 06:00 | 0.030 | 0.021~0.0995 |
Fukkoshi Yokohama Town | 2013-05-31 06:00 | 0.023 | 0.014~0.064667 |
Kamitoda Hokota City | 2013-05-31 06:00 | 0.065 | 0.035833~0.061667 |
Kusabue Omaezaki City | 2013-05-31 06:00 | 0.037 | 0.074167~0.125833 |
Nemoto Hitachioomiya City | 2013-05-31 06:00 | 0.048 | 0.032833~0.071167 |
Fukura Shika Town | 2013-05-31 06:00 | 0.040 | 0.0335~0.111833 |
Kami-koubu Matsue City | 2013-05-31 06:00 | 0.037 | 0.0185~0.096833 |
Tayu Matsue City | 2013-05-31 06:00 | 0.043 | 0.039333~0.092667 |
Oippe Higashidoori Village | 2013-05-31 06:00 | 0.017 | 0.012333~0.064167 |
Ebisawa Ibaraki Town | 2013-05-31 06:00 | 0.067 | 0.0418~0.1922 |
Nakamachi Omaezaki City | 2013-05-31 06:00 | 0.053 | 0.078~0.117833 |
Yorita Satsuma-sendai City | 2013-05-31 06:00 | 0.030 | 0.026~0.083833 |
Kume Hitachiota City | 2013-05-31 06:00 | 0.050 | 0.035833~0.061833 |
Kazanashi Shika Town | 2013-05-31 06:00 | 0.048 | 0.041~0.112 |
Izumisano municipal Oike athletic field Station | 2013-05-31 06:00 | 0.055 | 0.048667~0.104667 |
Iwanai Iwanai Town | 2013-05-31 06:00 | 0.036 | 0.016833~0.1155 |
Isohama Oarai Town | 2013-05-31 06:00 | 0.059 | 0.0375~0.070833 |
Jitougata primary school Makinohara City | 2013-05-31 06:00 | 0.041 | 0.066167~0.114333 |
Gumisaki Satsuma-sendai City | 2013-05-31 06:00 | 0.027 | 0.007~0.067667 |
Shigeoka Naraha Town | 2013-05-31 06:00 | 0.543 | 0.0375~0.115333 |
Power Station-South | 2013-05-31 06:00 | 0.036 | 0.012167~0.111167 |
Izumisano municipal Hineno filtration plant Station | 2013-05-31 06:00 | 0.040 | 0.042667~0.100167 |
The Meteorological Obsevatory of kyowa Town | 2013-05-31 06:00 | 0.035 | 0.01~0.1065 |
Oba Mito City | 2013-05-31 06:00 | 0.065 | 0.039~0.2305 |
Nagai Ohi Town | 2013-05-31 06:00 | 0.035 | 0.024167~0.098667 |
Kami-kooriyama Tomioka Town | 2013-05-31 06:00 | 1.181 | 0.029167~0.076667 |
Arahama Kashiwazaki City | 2013-05-31 06:00 | 0.038 | 0.0225~0.1015 |
Osaka prefectural Kumatori off-site-center Station | 2013-05-31 06:00 | 0.042 | 0.044333~0.092333 |
Chatsu Tomari Village | 2013-05-31 06:00 | 0.036 | 0.0155~0.107333 |
Yanagisawa Hitachinaka City | 2013-05-31 06:00 | 0.066 | 0.035333~0.062833 |
Imamura Genkai Town | 2013-05-31 06:00 | 0.028 | 0.025333~1.39833 |
Mukaihata Okuma Town | 2013-05-31 06:00 | 4.843 | 0.0345~0.093833 |
Kariwa Kariwa Village | 2013-05-31 06:00 | 0.038 | 0.025~0.099833 |
Yamanotedai-No.1 Park Station | 2013-05-31 06:00 | 0.051 | 0.05~0.099333 |
Hitachinaka Hitachinaka City | 2013-05-31 06:00 | 0.098 | 0.040167~0.077333 |
Yamanaka Takahama Town | 2013-05-31 06:00 | 0.027 | 0.011~0.108833 |
Kushi Genkai Town | 2013-05-31 06:00 | 0.031 | 0.028~0.1625 |
Kooriyama Futaba Town | 2013-05-31 06:00 | 1.063 | 0.035~0.089333 |
Katsuyama Kariwa Village | 2013-05-31 06:00 | 0.037 | 0.017333~0.1015 |
Sahara Yokosuka City | 2013-05-31 06:00 | 0.038 | 0.024167~0.061833 |
South point of Kinki University Atomic Energy Research Instirute Station | 2013-05-31 06:00 | 0.054 | 0.054333~0.0915 |
Yokobori Naka City | 2013-05-31 06:00 | 0.057 | 0.035833~0.0705 |
Sakajiri Mihama Town | 2013-05-31 06:00 | 0.059 | 0.030667~0.123667 |
Namie Namie Town | 2013-05-31 06:00 | 0.774 | 0.039167~0.084167 |
Uraga Yokosuka City | 2013-05-31 06:00 | 0.041 | 0.024167~0.055833 |
Higashiosaka municipal Kamikosaka primary scool Station | 2013-05-31 06:00 | 0.043 | 0.046167~0.0775 |
Motokomezaki Naka City | 2013-05-31 06:00 | 0.057 | 0.029167~0.059 |
Tsuruga Tsuruga City | 2013-05-31 06:00 | 0.057 | 0.0272~0.0935 |
Minatoura Ikata Town | 2013-05-31 06:00 | 0.016 | 0.014~0.051833 |
Koyadori Onagawa Town | 2013-05-31 06:00 | 0.094 | 0.017167~0.034 |
Nishihemi Yokosuka City | 2013-05-31 06:00 | 0.036 | 0.024833~0.053333 |
Uridura Naka City | 2013-05-31 06:00 | 0.055 | 0.037667~0.063 |
Urasoko Tsuruga City | 2013-05-31 06:00 | 0.073 | 0.0294~0.110833 |
Akawase Kagamino Town | 2013-05-31 06:00 | 0.047 | 0.0175~0.076167 |
Touhoku Town office Touhoku Town | 2013-05-31 06:00 | 0.017 | 0.012~0.249 |
Ukishima Kawasaki Ward | 2013-05-31 06:00 | 0.048 | 0.031667~0.2175 |
The Observation point for comparison Tatsunokuchi | 2013-05-31 06:00 | 0.043 | 0.020833~0.081 |
Kou Itimatsu Suetsugu | 2013-05-31 06:00 | 0.032 | 0.022833~0.085 |
Noheji Town Office Noheji Town | 2013-05-31 06:00 | 0.032 | 0.011167~0.059 |
Obuchi Rokkasho Village | 2013-05-31 06:00 | 0.023 | 0.012~0.074333 |
Tonomachi Kawasaki Ward | 2013-05-31 06:00 | 0.032 | 0.026667~0.112333 |
Uenohara Omaezaki City | 2013-05-31 06:00 | 0.044 | 0.028~0.121667 |
Kuji Hitachi City | 2013-05-31 06:00 | 0.083 | 0.039~0.176 |
Goritoge Shika Town | 2013-05-31 06:00 | 0.054 | 0.035~0.125167 |
Kita-koubu Matsue City | 2013-05-31 06:00 | 0.037 | 0.021833~0.103833 |
Kucho Ikata Town | 2013-05-31 05:10 | 0.023 | 0.021333~0.061667 |
Miyadome Ohi Town | 2013-05-31 04:00 | 0.035 | 0.024667~0.081667 |
Miyagawa Kashiwazaki City | 2013-05-31 00:50 | 0.039 | 0.025833~0.0985 |
Funaishikawa Tokai Village | 2013-05-31 00:30 | 0.069 | 0.0425~0.073 |
Shirowa primary school Omaezaki City | 2013-05-31 00:20 | 0.044 | 0.069~0.118333 |
Hiranuma Rokkasho Village | 2013-05-31 00:10 | 0.024 | 0.018~0.061833 |
Kumano Shika Town | 2013-05-30 23:40 | 0.046 | 0.033667~0.116167 |
Environment Feeds from Ohta | 2013-04-30 09:20 | 0.051 | 0.114 (Japan mean) |
Geiger Counter Feeds from Asao Kawasaki | 2013-04-29 03:50 | 0.034 | 0.114 (Japan mean) |
Radiation dose at Tohoku University | 2013-04-28 07:00 | 0.037 | 0.114 (Japan mean) |
Radiation dose at JAEA Oarai (P2) | 2013-04-27 23:20 | 0.031 | 0.114 (Japan mean) |
Radiation dose in KEK, Tsukuba | 2013-04-27 15:20 | 0.040 | 0.114 (Japan mean) |
Fukushima I MP3 | 2011-12-27 15:00 | 12.000 | 0.114 (Japan mean) |
Fukushima I MP6 | 2011-12-27 15:00 | 33.000 | 0.114 (Japan mean) |
Fukushima II MP1 | 2011-12-27 15:00 | 1.600 | 0.114 (Japan mean) |
Fukushima II MP4 | 2011-12-27 15:00 | 1.400 | 0.114 (Japan mean) |
Fukushima II MP7 | 2011-12-27 15:00 | 0.500 | 0.114 (Japan mean) |
Fukushima I MP1 | 2011-12-27 15:00 | 4.000 | 0.114 (Japan mean) |
Fukushima I MP4 | 2011-12-27 15:00 | 11.000 | 0.114 (Japan mean) |
Fukushima I MP7 | 2011-12-27 15:00 | 89.000 | 0.114 (Japan mean) |
Fukushima II MP2 | 2011-12-27 15:00 | 1.100 | 0.114 (Japan mean) |
Fukushima II MP5 | 2011-12-27 15:00 | 1.300 | 0.114 (Japan mean) |
Fukushima I MP2 | 2011-12-27 15:00 | 19.000 | 0.114 (Japan mean) |
Fukushima I MP5 | 2011-12-27 15:00 | 14.000 | 0.114 (Japan mean) |
Fukushima I MP8 | 2011-12-27 15:00 | 68.000 | 0.114 (Japan mean) |
Fukushima II MP3 | 2011-12-27 15:00 | 1.600 | 0.114 (Japan mean) |
Fukushima II MP6 | 2011-12-27 15:00 | 0.800 | 0.114 (Japan mean) |
Ibaraki-city Environment | 2011-10-15 00:49 | 0.044 | 0.114 (Japan mean) |
Fukushima [75] (distance from Fukushima I: 45 km) | 2011-09-28 16:50 | 0.100 | 0.037~0.071 |
Fukushima [80] (distance from Fukushima I: 25 km) | 2011-09-28 16:00 | 0.100 | 0.037~0.071 |
Fukushima [78] (distance from Fukushima I: 45 km) | 2011-09-28 15:00 | 0.500 | 0.037~0.071 |
Fukushima [45] (distance from Fukushima I: 20 km) | 2011-09-28 13:35 | 0.500 | 0.037~0.071 |
Fukushima [1] (distance from Fukushima I: 60 km) | 2011-09-28 13:21 | 0.600 | 0.037~0.071 |
Fukushima [11] (distance from Fukushima I: 40 km) | 2011-09-28 13:21 | 0.800 | 0.037~0.071 |
Fukushima [44] (distance from Fukushima I: 30 km) | 2011-09-28 13:09 | 0.200 | 0.037~0.071 |
Fukushima [20] (distance from Fukushima I: 45 km) | 2011-09-28 12:09 | 0.400 | 0.037~0.071 |
Fukushima [23] (distance from Fukushima I: 35 km) | 2011-09-28 12:02 | 0.500 | 0.037~0.071 |
Fukushima [22] (distance from Fukushima I: 35 km) | 2011-09-28 11:53 | 0.300 | 0.037~0.071 |
Fukushima [71] (distance from Fukushima I: 25 km) | 2011-09-28 11:50 | 0.400 | 0.037~0.071 |
Fukushima [21] (distance from Fukushima I: 30 km) | 2011-09-28 11:45 | 1.800 | 0.037~0.071 |
Fukushima [72] (distance from Fukushima I: 30 km) | 2011-09-28 11:33 | 0.300 | 0.037~0.071 |
Fukushima [34] (distance from Fukushima I: 30 km) | 2011-09-28 11:24 | 4.400 | 0.037~0.071 |
Fukushima [43] (distance from Fukushima I: 20 km) | 2011-09-28 11:21 | 0.500 | 0.037~0.071 |
Fukushima [73] (distance from Fukushima I: 35 km) | 2011-09-28 11:21 | 0.400 | 0.037~0.071 |
Fukushima [76] (distance from Fukushima I: 25 km) | 2011-09-28 11:12 | 0.300 | 0.037~0.071 |
Fukushima [7] (distance from Fukushima I: 45 km) | 2011-09-28 11:07 | 0.500 | 0.037~0.071 |
Fukushima [79] (distance from Fukushima I: 40 km) | 2011-09-28 10:58 | 7.300 | 0.037~0.071 |
Fukushima [31] (distance from Fukushima I: 30 km) | 2011-09-28 10:51 | 6.100 | 0.037~0.071 |
Fukushima [10] (distance from Fukushima I: 40 km) | 2011-09-28 10:46 | 0.500 | 0.037~0.071 |
Fukushima [5] (distance from Fukushima I: 45 km) | 2011-09-28 10:44 | 0.300 | 0.037~0.071 |
Fukushima [32] (distance from Fukushima I: 30 km) | 2011-09-28 10:33 | 16.100 | 0.037~0.071 |
Fukushima [3] (distance from Fukushima I: 45 km) | 2011-09-28 10:06 | 2.000 | 0.037~0.071 |
Fukushima [15] (distance from Fukushima I: 35 km) | 2011-09-28 10:04 | 0.500 | 0.037~0.071 |
Fukushima [14] (distance from Fukushima I: 35 km) | 2011-09-28 09:53 | 0.200 | 0.037~0.071 |
Fukushima [33] (distance from Fukushima I: 30 km) | 2011-09-28 09:53 | 12.500 | 0.037~0.071 |
Fukushima [41] (distance from Fukushima I: 20 km) | 2011-09-28 09:49 | 0.500 | 0.037~0.071 |
Fukushima [13] (distance from Fukushima I: 40 km) | 2011-09-28 09:39 | 0.200 | 0.037~0.071 |
Fukushima [46] (distance from Fukushima I: 20 km) | 2011-09-28 09:15 | 4.300 | 0.037~0.071 |
Fukushima [2] (distance from Fukushima I: 55 km) | 2011-09-28 09:05 | 1.200 | 0.037~0.071 |
Fukushima [4] (distance from Fukushima I: 50 km) | 2011-09-28 09:02 | 0.700 | 0.037~0.071 |
Fukushima [42] (distance from Fukushima I: 30 km) | 2011-09-28 08:36 | 0.700 | 0.037~0.071 |
Sendai (Miyagi) | 2011-09-07 09:00 | 0.060 | 0.0176~0.0513 |
Wakayama | 2011-09-05 09:00 | 0.031 | 0.031~0.056 |
Kagoshima | 2011-09-01 09:00 | 0.036 | 0.0306~0.0943 |
Okinawa | 2011-08-29 09:00 | 0.024 | 0.0133~0.0575 |
Saga | 2011-08-29 09:00 | 0.040 | 0.037~0.086 |
Gifu | 2011-08-29 09:00 | 0.062 | 0.057~0.11 |
Oita | 2011-08-29 09:00 | 0.050 | 0.048~0.085 |
Fukuoka | 2011-08-18 09:00 | 0.036 | 0.034~0.079 |
Akita | 2011-08-18 09:00 | 0.060 | 0.022~0.086 |
Kagawa | 2011-08-18 09:00 | 0.054 | 0.051~0.077 |
Aomori | 2011-08-18 09:00 | 0.029 | 0.017~0.102 |
Okayama | 2011-08-18 09:00 | 0.049 | 0.043~0.104 |
Shiga | 2011-08-18 09:00 | 0.033 | 0.031~0.061 |
Shizuoka | 2011-08-18 09:00 | 0.040 | 0.0281~0.0765 |
Yamanashi | 2011-08-18 09:00 | 0.047 | 0.04~0.064 |
Miyazaki | 2011-08-18 09:00 | 0.026 | 0.0243~0.0664 |
Nagasaki | 2011-08-18 09:00 | 0.028 | 0.027~0.069 |
Yamagata | 2011-08-18 09:00 | 0.044 | 0.025~0.082 |
Kochi | 2011-08-18 09:00 | 0.027 | 0.023~0.076 |
Iwate | 2011-08-18 09:00 | 0.045 | 0.014~0.084 |
Tokushima | 2011-08-18 09:00 | 0.040 | 0.037~0.067 |
Shimane | 2011-08-18 09:00 | 0.065 | 0.036~0.11 |
Aichi | 2011-08-18 09:00 | 0.042 | 0.035~0.074 |
Nagano | 2011-08-18 09:00 | 0.042 | 0.0299~0.0974 |
Ishikawa | 2011-08-18 09:00 | 0.049 | 0.0291~0.1275 |
Ehime | 2011-08-18 09:00 | 0.048 | 0.045~0.074 |
Hokkaido | 2011-08-18 09:00 | 0.030 | 0.02~0.105 |
Yamaguchi | 2011-08-18 09:00 | 0.092 | 0.084~0.128 |
Tottori | 2011-08-18 09:00 | 0.041 | 0.033~0.079 |
Nara | 2011-08-18 09:00 | 0.050 | 0.046~0.08 |
Kyoto | 2011-08-18 09:00 | 0.038 | 0.033~0.087 |
Mie | 2011-08-18 09:00 | 0.046 | 0.0416~0.0789 |
Fukui | 2011-08-18 09:00 | 0.045 | 0.032~0.097 |
Niigata | 2011-08-18 09:00 | 0.047 | 0.031~0.153 |
Fukushima [63] (distance from Fukushima I: 45 km) | 2011-08-12 15:14 | 1.200 | 0.037~0.071 |
Fukushima [52] (distance from Fukushima I: 40 km) | 2011-08-12 15:05 | 0.200 | 0.037~0.071 |
Fukushima [62] (distance from Fukushima I: 40 km) | 2011-08-12 14:50 | 4.500 | 0.037~0.071 |
Fukushima [61] (distance from Fukushima I: 40 km) | 2011-08-12 14:41 | 3.500 | 0.037~0.071 |
Fukushima [51] (distance from Fukushima I: 40 km) | 2011-08-12 14:20 | 0.200 | 0.037~0.071 |
Radiation at Tamaki-cho Mie Japan | 2011-07-25 09:33 | 0.040 | 0.114 (Japan mean) |
Radiation via www.houshasen-pref-ibaraki.jp (unofficial information) | 2011-07-14 13:37 | 0.157 | 0.114 (Japan mean) |
Radiation dose in Iwanuma | 2011-07-14 13:36 | 0.190 | 0.114 (Japan mean) |
Radiation dose at JAEA Oarai (P6) | 2011-07-14 13:36 | 0.123 | 0.114 (Japan mean) |
Radiation dose at JAEA Oarai (P16) | 2011-07-14 13:36 | 0.176 | 0.114 (Japan mean) |
Radiation dose at JAEA Oarai (P13) | 2011-07-14 13:36 | 0.232 | 0.114 (Japan mean) |
Radiation dose at Ose administration center, Koriyama | 2011-07-14 13:36 | 0.560 | 0.114 (Japan mean) |
Radiation dose at Agricultural center, Koriyama | 2011-07-14 13:36 | 1.080 | 0.114 (Japan mean) |
Radiation dose at Shirasawa branch office, Motomiya | 2011-07-14 13:36 | 0.690 | 0.114 (Japan mean) |
Radiation dose in Tukahama, Ojika | 2011-07-14 13:36 | 0.074 | 0.114 (Japan mean) |
Radiation dose in Onagawa (MP-3) | 2011-07-14 13:36 | 0.091 | 0.114 (Japan mean) |
Radiation dose in Yamamoto | 2011-07-14 13:36 | 0.260 | 0.114 (Japan mean) |
Radiation dose at JAEA Oarai (P1) | 2011-07-14 13:36 | 0.190 | 0.114 (Japan mean) |
Radiation dose in Natori | 2011-07-14 13:36 | 0.130 | 0.114 (Japan mean) |
Radiation dose at JAEA Oarai (P5) | 2011-07-14 13:36 | 0.169 | 0.114 (Japan mean) |
Radiation dose at JAEA Oarai (P15) | 2011-07-14 13:36 | 0.243 | 0.114 (Japan mean) |
Radiation dose at Tamokami elementary school, Koriyama | 2011-07-14 13:36 | 0.210 | 0.114 (Japan mean) |
Radiation dose at Koriyama city office, Koriyama | 2011-07-14 13:36 | 0.930 | 0.114 (Japan mean) |
Radiation dose in Enoshima, Ojika | 2011-07-14 13:36 | 0.064 | 0.114 (Japan mean) |
Radiation dose in Koyadori, Ojika | 2011-07-14 13:36 | 0.075 | 0.114 (Japan mean) |
Radiation via www.houshasen-pref-ibaraki.jp (unofficial information) | 2011-07-14 13:36 | 0.124 | 0.114 (Japan mean) |
Radiation dose in Onagawa (MP-2) | 2011-07-14 13:36 | 0.160 | 0.114 (Japan mean) |
Radiation via www.houshasen-pref-ibaraki.jp (unofficial information) | 2011-07-14 13:36 | 0.123 | 0.114 (Japan mean) |
Radiation dose in Marumori | 2011-07-14 13:36 | 0.090 | 0.114 (Japan mean) |
Radiation dose in Watari | 2011-07-14 13:36 | 0.230 | 0.114 (Japan mean) |
Radiation dose at JAEA Oarai (P7) | 2011-07-14 13:36 | 0.270 | 0.114 (Japan mean) |
Radiation dose at JAEA Oarai (P11) | 2011-07-14 13:36 | 0.448 | 0.114 (Japan mean) |
Radiation dose at JAEA Oarai (P14) | 2011-07-14 13:36 | 0.238 | 0.114 (Japan mean) |
Radiation dose at Big palette Fukushima, Koriyama | 2011-07-14 13:36 | 0.510 | 0.114 (Japan mean) |
Radiation dose at Koriyama joint government building, Koriyama | 2011-07-14 13:36 | 1.090 | 0.114 (Japan mean) |
Radiation dose in Terama, Ojika | 2011-07-14 13:36 | 0.068 | 0.114 (Japan mean) |
Radiation dose in Onagawa (MP-6) | 2011-07-14 13:36 | 0.110 | 0.114 (Japan mean) |
Radiation via www.houshasen-pref-ibaraki.jp (unofficial information) | 2011-07-14 13:36 | 0.077 | 0.114 (Japan mean) |
Radiation dose in Onagawa (MP-1) | 2011-07-14 13:36 | 0.100 | 0.114 (Japan mean) |
Radiation via www.houshasen-pref-ibaraki.jp (unofficial information) | 2011-07-14 13:36 | 0.127 | 0.114 (Japan mean) |
Radiation dose in Kakuda | 2011-07-14 13:36 | 0.260 | 0.114 (Japan mean) |
Radiation dose at Iwane Fureai Plaza, Motomiya | 2011-07-13 14:16 | 1.180 | 0.114 (Japan mean) |
Fukushima [35] (distance from Fukushima I: 35 km) | 2011-06-16 13:13 | 1.000 | 0.037~0.071 |
Fukushima [74] (distance from Fukushima I: 35 km) | 2011-06-16 10:52 | 0.200 | 0.037~0.071 |
Fukushima [77] (distance from Fukushima I: 25 km) | 2011-05-22 13:01 | 1.300 | 0.037~0.071 |
Fukushima [12] (distance from Fukushima I: 40 km) | 2011-05-15 13:23 | 0.300 | 0.037~0.071 |
Fukushima [6] (distance from Fukushima I: 45 km) | 2011-05-13 11:39 | 0.800 | 0.037~0.071 |
Radiation dose at Motomiya city office, Motomiya | 2011-05-10 10:05 | 0.920 | 0.114 (Japan mean) |
Radiation dose at Tsukidatemachi kamitedo, Date | 2011-05-09 16:35 | 2.000 | 0.114 (Japan mean) |
Radiation dose at Date city office, Date | 2011-05-09 16:35 | 1.410 | 0.114 (Japan mean) |
Tochigi | 2011-04-10 17:00 | 0.074 | 0.03~0.067 |
Osaka | 2011-04-10 17:00 | 0.042 | 0.042~0.061 |
Toyama | 2011-04-10 17:00 | 0.048 | 0.029~0.147 |
Tokyo | 2011-04-10 17:00 | 0.083 | 0.028~0.079 |
Gunma | 2011-04-10 17:00 | 0.041 | 0.017~0.045 |
Hiroshima | 2011-04-10 17:00 | 0.046 | 0.035~0.069 |
Hyogo | 2011-04-10 17:00 | 0.037 | 0.035~0.076 |
kanagawa | 2011-04-10 17:00 | 0.058 | 0.035~0.069 |
Saitama | 2011-04-10 17:00 | 0.064 | 0.031~0.06 |
Kumamoto | 2011-04-10 17:00 | 0.027 | 0.021~0.067 |
Ibaraki | 2011-04-10 17:00 | 0.147 | 0.036~0.056 |
Chiba | 2011-04-10 17:00 | 0.056 | 0.022~0.044 |
Dataset 1 | Dataset 2 | Dataset 3 | Dataset 4 | |
Source | MEXT Readings | MEXT (SPEEDI) | TEPCO | Pachube |
Data available | since 13.3.2011 or 15.3.2011 hourly averages |
since 1.1.2010 10 minute data |
since 14.4.2011 10 minute data |
since 22.3.2011 different sources with 10 minute data or hourly averages |
hourly averages | hourly averages | hourly averages | hourly averages | |
Minimum value (Vmin) and maximum value (Vmax) from usual value band: "Usual value band means a range of the maximum and minimum value observed before the earthquake" [MEXT: e.g. pdf]) | Minimum value (Vmin) and maximum value (Vmax) calculated with the data of the respective locations from 1.1.2010 to 10.3.2011 (from hourly averages) | no value band | no value band |
Dataset 1, Dataset 2, Dataset 3 and Dataset 4 | |
Accumulated dose rate = summation of hourly averages of absorbed dose rate Accumulation period: 13.3.2011 up to today |
|
❚ ❚ | ❚Accumulation of original data Missing values: ❚Accumulation of interpolated data:
Missing values are approximated since original data of average absorbed dose rate is not available for every hour. Missing data points are computed by linear interpolation.
∅Missing data at the beginning of the period:
Missing values at the beginning of the accumulation period (13.3.) will be set to 0.
All data taken into account in the accumulation is shown in the graph ‘interpolated raw data’ (top left button above the graph).
In those cases the calculated accumulation values show below the actual accumulation values. Regarding the assessment of the timeline: Radiation releases during the initial hydrogen explosions. |
The red graph shows the accumulation of 0,114 μGy/h based on an estimated average for Japan of 1000 μGy per year (equates 0,114 μGy/h *24 hours * 365 days). The accumulation starts with the first available value of the data set after 13.3.2011 (see missing values above). | |
The green graph shows the accumulation of Vmax. The accumulation starts with the first available value of the data set after 13.3.2011 (see missing values above). |
< Vmax | < 10 * Vmax | < 100 * Vmax | > 100 * Vmax |