M 4.6 in Japan on 08 Sep 2012 01:41 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: 55.7 Km
Lat/Lon: 33.7538 , 132.183
Event Date: 08 Sep 2012 01:41 UTC
08 Sep 2012 10:41 Local
Exposed Population:
5250000 people within 100km
Source: NEIC usc000cinx
Inserted at: 08 Sep 2012 02:16 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000cinx 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
119437 0.5 08 Sep 2012 01:41 4.6M, 55.7km N/A 5.2 million (in 100km) 00:34 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 Chugoku (population 7,963,924) . The nearest places are Murotsu, Yodai, Izui, Okuni, Saga, Komatsu, Doi, Isaki, Kuka, Yanai, and Yamaguchi.

Radius Population
100 km 5.2 million people
75 km 2.6 million people
50 km 620000 people
20 km 15000 people
10 km <1000 people
5 km <1000 people
2 km no people

Affected Provinces

Region Province Country Population
Chugoku Japan 8 million people

Affected populated places

Name Region Province Country City class Population Distance
Murotsu Yamaguchi Japan Village - 11 km
Yodai Yamaguchi Japan Village - 13 km
Izui Yamaguchi Japan Village - 14 km
Okuni Yamaguchi Japan Village - 17 km
Saga Yamaguchi Japan Village - 18 km
Komatsu Yamaguchi Japan Village - 20 km
Doi Yamaguchi Japan Village - 20 km
Isaki Yamaguchi Japan Village - 21 km
Kuka Yamaguchi Japan Village - 22 km
Yanai Yamaguchi Japan Village 32000 people 23 km
Hirao Yamaguchi Japan City - 24 km
Tabuse Yamaguchi Japan Village - 25 km
Obatake Yamaguchi Japan Village - 26 km
Aoshima Ehime Japan Village - 28 km
Murozumi Yamaguchi Japan Village - 29 km
Obara Yamaguchi Japan Village - 30 km
Ihota Yamaguchi Japan Village - 30 km
Fujinoki Yamaguchi Japan Village - 31 km
Yu Yamaguchi Japan Village - 32 km
Izumi Ehime Japan Village - 32 km
Nagahama Ehime Japan City - 33 km
Tajiri Yamaguchi Japan Village - 33 km
Hama Ehime Japan Village - 33 km
Ryoke Ehime Japan Village - 34 km
Betto Yamaguchi Japan Village - 34 km
Mitsukue Ehime Japan Village - 35 km
Tsutsu Yamaguchi Japan Village - 35 km
Tsuzu Yamaguchi Japan Village - 35 km
Yasuda Yamaguchi Japan Village - 36 km
Hashirajima Yamaguchi Japan Village - 37 km
Kami-Kubara Yamaguchi Japan Village - 37 km
Hataki Ehime Japan Village - 37 km
Hikari Yamaguchi Japan Village 46000 people 37 km
Kasado Yamaguchi Japan Village - 38 km
Imaichi Yamaguchi Japan Village - 38 km
Kawanohama Ehime Japan Village - 38 km
Takamori Yamaguchi Japan Village - 39 km
Kuga Yamaguchi Japan Village - 39 km
Sasugawa Yamaguchi Japan Village - 39 km
Aogi Yamaguchi Japan Village - 39 km
Yonegawa Yamaguchi Japan Village - 39 km
Kudamatsu Yamaguchi Japan City 52000 people 39 km
Shimo-Kubara Yamaguchi Japan Village - 39 km
Oura Yamaguchi Japan Village - 39 km
Kuboichi Yamaguchi Japan Village - 39 km
Uchiko Ehime Japan Village - 40 km
Yawatahama Ehime Japan Village 31000 people 40 km
Fuju Yamaguchi Japan Village - 40 km
Natori Ehime Japan Village - 42 km
Kami-Kawakami Yamaguchi Japan Village - 42 km
Hashirano Yamaguchi Japan Village - 42 km
Midoro Yamaguchi Japan Village - 42 km
Shitama Ehime Japan Village - 42 km
Kami-nada Ehime Japan Village - 43 km
Kusugi Yamaguchi Japan Village - 45 km
Habu Yamaguchi Japan Village - 45 km
Misho Yamaguchi Japan Village - 45 km
Oko Hiroshima Japan Village - 46 km
Futashika Yamaguchi Japan Village - 46 km
Imazu Yamaguchi Japan City - 46 km
Nakazu Yamaguchi Japan Village - 46 km
Obama Ehime Japan Village - 47 km
Sugewa Hiroshima Japan Village - 47 km
Tomiku Oita Japan Village - 47 km
Tsuburi Ehime Japan Village - 47 km
Tsurukawa Oita Japan Village - 47 km
Kuina Yamaguchi Japan Village - 47 km
Washigasu Ehime Japan Village - 47 km
Tokuyama Yamaguchi Japan City 100000 people 48 km
Akadani Yamaguchi Japan Village - 48 km
Shono Ehime Japan Village - 48 km
Tada Yamaguchi Japan Village - 48 km
Waki Yamaguchi Japan Village - 48 km
Karoto Hiroshima Japan Village - 49 km
Ikasaki Ehime Japan Village - 49 km
Hatari Ehime Japan Village - 49 km
Mutsuki Ehime Japan Village - 49 km
Otake Yamaguchi Japan Village 32000 people 50 km
Susuma-hongo Yamaguchi Japan Village - 50 km
Atada Hiroshima Japan Village - 50 km
Nishi-Mukuno Yamaguchi Japan Village - 50 km
Kaigoshi Hiroshima Japan Village - 50 km
Nakayama Ehime Japan Village - 50 km
Obara Hiroshima Japan Village - 50 km
Muroo Hiroshima Japan Village - 51 km
Gennai Yamaguchi Japan Village - 51 km
Imi Oita Japan Village - 51 km
Nakatsuwara Yamaguchi Japan Village - 51 km
Furuichi Oita Japan Village - 51 km
Naguwa Yamaguchi Japan Village - 52 km
Takayama Ehime Japan Village - 52 km
Fukae Hiroshima Japan Village - 52 km
Ryoshida Hiroshima Japan Village - 53 km
Tonda Yamaguchi Japan Village - 53 km
Noda Ehime Japan Village - 53 km
Okimi Hiroshima Japan Village - 53 km
Kanokawa Hiroshima Japan Village - 54 km
Kakinoura Hiroshima Japan Village - 54 km
Fujinowaki Hiroshima Japan Village - 54 km
Osako Hiroshima Japan Village - 54 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
Iwakuni Mcas 2 Mil. Paved Yes 8000 44 km
Matsuyama MYJ 6 Civ. Paved Yes 8200 49 km
Oita OIT 6 Civ. Paved Yes 9800 51 km
Hofu 2 Mil. Paved No 4800 66 km
Hiroshima HIW 5 Civ. Paved Yes 5900 71 km
Beppu BPU unknown 0 81 km
Yamaguchi Ube UBJ 7 Civ. Paved Yes 6500 86 km

Ports

Name LOCODE Country Distance
Hirao JPHRA Japan 21 km
Kawanoishi Japan 32 km
Nagahama JPNGH Japan 32 km
Hikari JPHKR Japan 32 km
Yawatahama JPYWH Japan 40 km
Kudamatsu JPKUD Japan 40 km
Misaki Japan 42 km
Shiminato JPIWK Japan 45 km
Tokuyama JPTKY Japan 47 km
Iyo Japan 47 km
Tabuka Japan 48 km
Matsuyama JPMYJ Japan 51 km
Tonda JPTND Japan 52 km
Kanokawa JPKKW Japan 52 km
Etajima JPETA Japan 55 km
Hojo Japan 60 km
Kure JPKRE Japan 63 km
Saganoseki JPSAG Japan 63 km
Kitsuki Japan 64 km
Nakanoseki JPNAN Japan 64 km
Uwajima JPUWA Japan 69 km
Kikuma JPKIK Japan 70 km
Tsurusaki JPTSK Japan 71 km
Akitsu JPAKT Japan 73 km
Hiroshima JPHIJ Japan 73 km
Hiji Japan 77 km
Namikata JPMAG Japan 78 km
Oita JPOIT Japan 78 km
Beppu JPBPU Japan 78 km
Usuki JPUSK Japan 79 km
Shimogo Japan 79 km
Tsukumi JPTMI Japan 80 km
Imabari JPIMB Japan 84 km
Nakatsu Japan 88 km
Ube JPUBJ Japan 91 km
Saiki Ko Japan 91 km
Takehara JPTHR Japan 93 km
Omishima JPOMS Japan 93 km
Onada Japan 97 km
Onoda JPOND Japan 97 km

Dams

Reservoir Dam Name River Year Distance
Beisenko Suetakegawa Suetakegawa 1991 44 km
Nukumi Nukumi Suetakegawa 1963 45 km
Suganoko Sugano Nishikigawa 1965 50 km
Yasakako Yasaka Ozegawa 1990 54 km
Kikukawako Kawakami Tondagawa 1979 54 km
Kodoko Kodo Nishikigawa 1940 55 km
Kanogawako Kanogawa Hijikawa 1958 58 km
Asagiriko Nomura Hijigawa 1981 60 km
Takaseko Shimajigawa Shimajigawa 1981 60 km
Aki Aki Akigawa 1971 61 km
Shinjuko Ozegawa Ozegawa 1964 62 km
Shirasagiko Ishitegawa Ishitegawa 1972 62 km
Watanosechosuichi Watanose Kujimagawa 1956 63 km
Honjo Honjo Nikogawa 1917 71 km
Tamagawako Tamagawa Soshagawa 1970 74 km
Iiyamachosuichi Iinoyama Ozegawa 1932 75 km
Oharako Sabagawa Sabagawa 1955 76 km
Soryuko Uokiri Yahatagawa 1981 76 km
Hisashi Hisashi Yamakuragawa 1969 78 km
Omogo Omogo Wariishikawa 1965 79 km
Kurose Kurose Kagaragawa 1987 83 km
Miyakono Aratani Fushinogawa 1987 83 km
Mannenike Mannenike 1963 86 km
Tateiwachosuichi Tateiwa Otagawa 1939 88 km
Sasanami Sasanamigawa Sasanamigawa 1959 89 km
Sagiriko Odo Niiyodogawa 1986 89 km
Ubemaruyama Ubemaruyama Yakushigawa 1978 91 km
Onoko Kotogawa Kotogawa 1948 91 km
Kuroseko Kurose Kamogawa 1972 91 km
Abuko Abugawa Abugawa 1974 93 km
Namitakijiike Namitakijiike Kurosegawa 1944 94 km
Nabarachosuichi Nabara Nabaragawa 1976 95 km
Serikawa Serikawa Serigawa 1956 97 km
Myojinchosuichi Myojin Nabaragawa 1976 97 km
Hiju Hiju Hijugawa 1968 98 km
Omorigawachosuichi Omorigawa Omorigawa 1959 99 km
Ishiba Ishiba Mietanigawa 1973 99 km
Hijiriko Tarutoko Shibakigawa 1957 100 km

Nuclear plants

Name Country Reactors Distance
IKATA JAPAN 3 32 km

More information

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