M 4.6 in Japan on 22 Dec 2012 06:15 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 4.6M
Depth: 65.6 Km
Lat/Lon: 33.554 , 132.116
Event Date: 22 Dec 2012 06:15 UTC
22 Dec 2012 15:15 Local
Exposed Population:
4270000 people within 100km
Source: NEIC usc000eeri
Inserted at: 22 Dec 2012 06:42 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000eeri Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
121555 0.5 22 Dec 2012 06:15 4.6M, 65.6km N/A 4.3 million (in 100km) 00:26 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Japan , Region of Shikoku (population 4,326,084) . The nearest places are Mitsukue, Kawanohama, Hama, Natori, Shono, Yodai, Ryoke, Izumi, Yawatahama, Shitama, and Hiroshima.

Radius Population
100 km 4.5 million people
75 km 2.3 million people
50 km 330000 people
20 km 6300 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Shikoku Japan 4.3 million people
Chugoku Japan 8 million people

Affected populated places

Name Region Province Country City class Population Distance
Mitsukue Ehime Japan Village - 16 km
Kawanohama Ehime Japan Village - 17 km
Hama Ehime Japan Village - 20 km
Natori Ehime Japan Village - 20 km
Shono Ehime Japan Village - 25 km
Yodai Yamaguchi Japan Village - 27 km
Ryoke Ehime Japan Village - 27 km
Izumi Ehime Japan Village - 28 km
Yawatahama Ehime Japan Village 31000 people 31 km
Shitama Ehime Japan Village - 31 km
Murotsu Yamaguchi Japan Village - 31 km
Tsuburi Ehime Japan Village - 35 km
Nagahama Ehime Japan City - 35 km
Tsurukawa Oita Japan Village - 36 km
Furuichi Oita Japan Village - 37 km
Takayama Ehime Japan Village - 37 km
Izui Yamaguchi Japan Village - 37 km
Tomiku Oita Japan Village - 38 km
Hataki Ehime Japan Village - 38 km
Saga Yamaguchi Japan Village - 38 km
Okuni Yamaguchi Japan Village - 38 km
Aoshima Ehime Japan Village - 39 km
Uchiko Ehime Japan Village - 40 km
Saganoseki Oita Japan City - 41 km
Noda Ehime Japan Village - 41 km
Isaki Yamaguchi Japan Village - 42 km
Komatsu Yamaguchi Japan Village - 43 km
Doi Yamaguchi Japan Village - 43 km
Aki Oita Japan Village - 43 km
Iganoue Ehime Japan Village - 43 km
Tabuse Yamaguchi Japan Village - 45 km
Imi Oita Japan Village - 45 km
Kuka Yamaguchi Japan Village - 45 km
Murozumi Yamaguchi Japan Village - 45 km
Yanai Yamaguchi Japan Village 32000 people 45 km
Hirao Yamaguchi Japan City - 45 km
Uwaura Oita Japan Village - 46 km
Nakaura Ehime Japan Village - 46 km
Sakanoichi Oita Japan Village - 46 km
Yoshida Ehime Japan Village - 48 km
Oshima Ehime Japan Village - 48 km
Obatake Yamaguchi Japan Village - 49 km
Akane Oita Japan Village - 50 km
Sashioi Oita Japan Village - 50 km
Ikasaki Ehime Japan Village - 50 km
Taketazu Oita Japan Village - 50 km
Tsunoura Ehime Japan Village - 50 km
Oura Yamaguchi Japan Village - 51 km
Kami-nada Ehime Japan Village - 51 km
Ihota Yamaguchi Japan Village - 51 km
Tsurusaki Oita Japan City - 51 km
Kasado Yamaguchi Japan Village - 51 km
Obara Yamaguchi Japan Village - 52 km
Fujinoki Yamaguchi Japan Village - 53 km
Nomura Ehime Japan Village - 53 km
Kitsuki Oita Japan Village 23000 people 53 km
Tajiri Yamaguchi Japan Village - 53 km
Takedatsu Oita Japan Village - 53 km
Kudamatsu Yamaguchi Japan City 52000 people 54 km
Yasuda Yamaguchi Japan Village - 54 km
Miyanoshita Ehime Japan Village - 54 km
Okohama Ehime Japan Village - 54 km
Hikari Yamaguchi Japan Village 46000 people 55 km
Yu Yamaguchi Japan Village - 55 km
Kuboichi Yamaguchi Japan Village - 56 km
Nakayama Ehime Japan Village - 56 km
Hotojima Oita Japan Village - 56 km
Imaichi Yamaguchi Japan Village - 56 km
Betto Yamaguchi Japan Village - 56 km
Uwajima Ehime Japan City 58000 people 56 km
Usuki Oita Japan Village 35000 people 56 km
Kanayama Oita Japan Village - 57 km
Kami-Kubara Yamaguchi Japan Village - 58 km
Tsutsu Yamaguchi Japan Village - 58 km
Tsuzu Yamaguchi Japan Village - 58 km
Sasugawa Yamaguchi Japan Village - 58 km
Amamui Oita Japan Village - 58 km
Tsurunohama Ehime Japan Village - 59 km
Yonegawa Yamaguchi Japan Village - 59 km
Hashirajima Yamaguchi Japan Village - 59 km
Takamori Yamaguchi Japan Village - 59 km
Oita Oita Japan Major city 420000 people 59 km
Shimo-Kubara Yamaguchi Japan Village - 60 km
Kuga Yamaguchi Japan Village - 60 km
Sakaishi Ehime Japan Village - 60 km
Machimura Ehime Japan Village - 60 km
Bungo-Takada Oita Japan Village - 60 km
Aogi Yamaguchi Japan Village - 61 km
Tokuyama Yamaguchi Japan City 100000 people 62 km
Tayooka Oita Japan Village - 62 km
Izume Ehime Japan Village - 62 km
Takada Oita Japan City - 62 km
Naka-hetsugi Oita Japan Village - 62 km
Kami-Kawakami Yamaguchi Japan Village - 62 km
Fuju Yamaguchi Japan Village - 63 km
Kawasaki Ehime Japan Village - 64 km
Harigi Ehime Japan Village - 64 km
Washigasu Ehime Japan Village - 64 km
Ajiro Ehime Japan Village - 64 km
Nakazu Yamaguchi Japan Village - 64 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Oita OIT 6 Civ. Paved Yes 9800 36 km
Matsuyama MYJ 6 Civ. Paved Yes 8200 62 km
Beppu BPU unknown 0 63 km
Iwakuni Mcas 2 Mil. Paved Yes 8000 66 km
Hofu 2 Mil. Paved No 4800 75 km
Yamaguchi Ube UBJ 7 Civ. Paved Yes 6500 88 km
Hiroshima HIW 5 Civ. Paved Yes 5900 94 km

Ports

Name LOCODE Country Distance
Misaki Japan 20 km
Kawanoishi Japan 21 km
Yawatahama JPYWH Japan 30 km
Nagahama JPNGH Japan 34 km
Hirao JPHRA Japan 40 km
Saganoseki JPSAG Japan 41 km
Tabuka Japan 41 km
Hikari JPHKR Japan 47 km
Kitsuki Japan 48 km
Tsurusaki JPTSK Japan 51 km
Kudamatsu JPKUD Japan 55 km
Uwajima JPUWA Japan 55 km
Usuki JPUSK Japan 56 km
Iyo Japan 57 km
Tsukumi JPTMI Japan 58 km
Oita JPOIT Japan 59 km
Beppu JPBPU Japan 59 km
Tokuyama JPTKY Japan 61 km
Hiji Japan 61 km
Tonda JPTND Japan 63 km
Matsuyama JPMYJ Japan 65 km
Saiki Ko Japan 68 km
Shiminato JPIWK Japan 68 km
Nakanoseki JPNAN Japan 72 km
Kanokawa JPKKW Japan 75 km
Etajima JPETA Japan 77 km
Hojo Japan 77 km
Nakatsu Japan 80 km
Kure JPKRE Japan 85 km
Shimogo Japan 86 km
Kikuma JPKIK Japan 87 km
Sukumo JPSUK Japan 90 km
Ube JPUBJ Japan 93 km
Akitsu JPAKT Japan 95 km
Namikata JPMAG Japan 96 km
Hiroshima JPHIJ Japan 96 km
Onoda JPOND Japan 99 km
Onada Japan 100 km

Dams

Reservoir Dam Name River Year Distance
Aki Aki Akigawa 1971 48 km
Asagiriko Nomura Hijigawa 1981 52 km
Kanogawako Kanogawa Hijikawa 1958 54 km
Beisenko Suetakegawa Suetakegawa 1991 60 km
Nukumi Nukumi Suetakegawa 1963 62 km
Hisashi Hisashi Yamakuragawa 1969 65 km
Suganoko Sugano Nishikigawa 1965 68 km
Kikukawako Kawakami Tondagawa 1979 69 km
Kodoko Kodo Nishikigawa 1940 71 km
Takaseko Shimajigawa Shimajigawa 1981 76 km
Yasakako Yasaka Ozegawa 1990 76 km
Shirasagiko Ishitegawa Ishitegawa 1972 76 km
Ishiba Ishiba Mietanigawa 1973 77 km
Serikawa Serikawa Serigawa 1956 78 km
Hiju Hiju Hijugawa 1968 84 km
Shinjuko Ozegawa Ozegawa 1964 84 km
Watanosechosuichi Watanose Kujimagawa 1956 85 km
Yamashitaike Yamashitaike Kuramotogawa 1918 85 km
Omogo Omogo Wariishikawa 1965 87 km
Tamagawako Tamagawa Soshagawa 1970 90 km
Mannenike Mannenike 1963 91 km
Oharako Sabagawa Sabagawa 1955 91 km
Sagiriko Odo Niiyodogawa 1986 93 km
Yabakeiko Yabakei Yamautsurigawa 1984 93 km
Honjo Honjo Nikogawa 1917 94 km
Miyakono Aratani Fushinogawa 1987 95 km
Ubemaruyama Ubemaruyama Yakushigawa 1978 96 km
Amagatanichosuichi Jizobaru Jizobarugawa 1922 96 km
Kitagawa Kitagawa Kitagawa 1962 97 km
Onoko Kotogawa Kotogawa 1948 97 km
Iiyamachosuichi Iinoyama Ozegawa 1932 97 km
Soryuko Uokiri Yahatagawa 1981 99 km

Nuclear plants

Name Country Reactors Distance
IKATA JAPAN 3 20 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.