Earthquake Information |
[Information about Seismic Intensity at each site]
The map and text below show a) the observed Seismic Intensity (1 and above) and its location, b) the date and time of the earthquake, and c) its epicenter and magnitude.
Click the map to zoom in
The map and text below show a) the observed Seismic Intensity (1 and above) and its location, b) the date and time of the earthquake, and c) its epicenter and magnitude.
Click the map to zoom in
Earthquake Information (Information about Seismic Intensity at each site)
Issued at 08:04 JST 21 Apr 2009
| Occurred at (JST) | Latitude (degree) |
Longitude (degree) |
Depth | Magnitude | Region Name |
| 07:54 JST 21 Apr 2009 | 36.0N | 140.9E | 30km | 4.5 | Ibaraki-ken Oki |
Seismic Intensity at each station
(* mark: Local Governments' or NIED's station)
| Prefecture | JMA Seismic Intensity | Station Name |
| IBARAKI | 3 | Kamisu-shi Mizoguchi* |
| 2 | Mito-shi Uchiharacho* | |
| Hitachi Shiyakusho* | ||
| Hitachi-ota-shi Takagakicho* | ||
| Hitachinaka-shi Minami-kamishikidai* | ||
| Omitama-shi Ogawa* | ||
| Omitama-shi Katakura* | ||
| Omitama-shi Kamitamari* | ||
| Tsuchiura-shi Hitana | ||
| Tsuchiura-shi Shimotakatsu* | ||
| Tsuchiura-shi Fujisawa* | ||
| Ishioka-shi Kakioka | ||
| Tsukuba-shi Yatabe* | ||
| Ibaraki Kashima-shi Hachigata | ||
| Ibaraki Kashima-shi Kyuchu* | ||
| Itako-shi Tsuji* | ||
| Inashiki Shiyakusho* | ||
| Inashiki-shi Sugatsu* | ||
| Inashiki-shi Kessa* | ||
| Kasumigaura-shi Kamitsuchida* | ||
| Kamisu-shi Hasaki* | ||
| Namegata-shi Aso* | ||
| Namegata-shi Yamada* | ||
| Namegata-shi Tamatsukuri* | ||
| Hokota-shi Hokota | ||
| Hokota-shi Toma* | ||
| Hokota-shi Tsukuriya* | ||
| Hokota-shi Kumiage* | ||
| 1 | Mito-shi Kanemachi | |
| Mito-shi Sembacho* | ||
| Mito-shi Chuo* | ||
| Hitachi-shi Sukegawa-shogakko* | ||
| Takahagi-shi Arakawa* | ||
| Kasama-shi Ishii* | ||
| Kasama-shi Chuo* | ||
| Hitachinaka-shi Higashi-ishikawa* | ||
| Ibaraki-machi Ozutsumi* | ||
| Oarai-machi Isohamacho* | ||
| Tokai-mura Tokai* | ||
| Daigo-machi Ikeda* | ||
| Hitachi-omiya-shi Nakatomicho | ||
| Hitachi-omiya-shi Kitacho* | ||
| Hitachi-omiya-shi Noguchi* | ||
| Hitachi-omiya-shi Yamagata* | ||
| Naka-shi Fukuda* | ||
| Naka-shi Urizura* | ||
| Shirosato-machi Awayama* | ||
| Ishioka-shi Ishioka* | ||
| Ishioka-shi Yasato* | ||
| Toride-shi Terada* | ||
| Toride-shi Ino* | ||
| Ushiku-shi Chuo* | ||
| Tsukuba-shi Tennodai* | ||
| Tsukuba-shi Oguki* | ||
| Miho-mura Ukeryo* | ||
| Ami-machi Chuo* | ||
| Moriya-shi Ogashiwa* | ||
| Tone-machi Fukawa | ||
| Bando-shi Iwai | ||
| Inashiki-shi Edosaki-ko* | ||
| Inashiki-shi Shibazaki* | ||
| Chikusei-shi Funyu | ||
| Chikusei-shi Shimonakayama* | ||
| Chikusei-shi Ebigashima* | ||
| Chikusei-shi Kadoi* | ||
| Kasumigaura-shi Owada* | ||
| Sakuragawa-shi Iwase* | ||
| Sakuragawa-shi Makabe* | ||
| Sakuragawa-shi Haneda* | ||
| Joso-shi Mitsukaido-suwamachi* | ||
| Tsukubamirai-shi Fukuda* | ||
| Tsukubamirai-shi Kato* | ||
| CHIBA | 3 | Asahi-shi Minami-horinouchi* |
| Asahi-shi Takaoi* | ||
| Asahi-shi Hagizono* | ||
| 2 | Choshi-shi Kawaguchicho | |
| Choshi-shi Wakamiyacho* | ||
| Togane-shi Higashi-shinjyuku | ||
| Togane-shi Hiyoshidai* | ||
| Togane-shi Higashi-iwasaki* | ||
| Asahi-shi Ni* | ||
| Chiba Kozaki-machi Kozaki-honjyuku* | ||
| Tako-machi Tako | ||
| Tonosho-machi Sasagawa* | ||
| Kujukuri-machi Katakai* | ||
| Sosa-shi Yoka-ichiba-ha* | ||
| Sosa-shi Imaizumi* | ||
| Katori-shi Sawara-shitagashi | ||
| Katori-shi Sawara-suwadai* | ||
| Katori Shiyakusho* | ||
| Katori-shi Hanekawa* | ||
| Katori-shi Nira* | ||
| Yokoshiba-hikari-machi Miyagawa* | ||
| Yokoshiba-hikari-machi Yokoshiba* | ||
| Sammu-shi Tonodai* | ||
| Sammu-shi Haniya* | ||
| Sammu-shi Hasunuma-ha* | ||
| Narita-shi Hanazakicho | ||
| 1 | Choshi-shi Tennodai | |
| Mobara-shi Dobyo* | ||
| Shibayama-machi Koike* | ||
| Chiba Ichinomiya-machi Ichinomiya | ||
| Chosei-mura Hongo* | ||
| Nagara-machi Ozukura | ||
| Katori-shi Iwabe* | ||
| Sammu-shi Matsuomachi-matsuo* | ||
| Chiba Chuo-ku Chuo-ko | ||
| Chiba Chuo-ku Miyakocho* | ||
| Chiba Hanamigawa-ku Hanashimacho* | ||
| Chiba Wakaba-ku Oguradai* | ||
| Narita-kokusai-kuko | ||
| Narita-shi Nakadai* | ||
| Narita Shiyakusho* | ||
| Narita-shi Matsuko* | ||
| Chiba Sakura-shi Kairinjimachi* | ||
| Ichihara-shi Anesaki* | ||
| Yotsukaido-shi Shikawatashi* | ||
| Yachimata-shi Yachimata* | ||
| Inzai-shi Omori* | ||
| Imba-mura Seto* | ||
| Motono-mura Kasagami* | ||
| Chiba Sakae-machi Ajikidai* | ||
| Tomisato-shi Nanae* | ||
| Kimitsu-shi Kururi-ichiba* | ||
| Otaki-machi Otaki* | ||
| TOCHIGI | 2 | Mo-oka-shi Tamachi* |
| Mo-oka-shi Aramachi Ishijima* | ||
| Motegi-machi Koido* | ||
| 1 | Nikko-shi Chugushi | |
| Otawara-shi Yuzukami* | ||
| Utsunomiya-shi Akebonocho | ||
| Kanuma-shi Kobodai* | ||
| Oyama-shi Hitotonoya* | ||
| Mo-oka-shi Aramachi* | ||
| Mashiko-machi Mashiko | ||
| Ichikai-machi Ichihana* | ||
| Nasu-karasuyama-shi Chuo | ||
| FUKUSHIMA | 1 | Koriyama-shi Asahi |
| Shirakawa-shi Shin-shirakawa* | ||
| Shirakawa-shi Higashi* | ||
| Sukagawa-shi Hachiman-yama* | ||
| Kagamiishi-machi Fujinuma* | ||
| Tamakawa-mura Otaka* | ||
| Asakawa-machi Asakawa* | ||
| Furudono-machi Matsukawa* | ||
| Iwaki-shi Nishikimachi* | ||
| GUNMA | 1 | Oura-machi Nakano* |
| SAITAMA | 1 | Kuki-shi Shimohayami |
| Kasukabe-shi Yahara-shinden* | ||
| TOKYO | 1 | Tokyo Chiyoda-ku Otemachi |
No Tsunami threat by this earthquake.The Seismic Intensity has been corrected.
"-" in the above information represents an indeterminable value.