M 5.2 in Japan on 13 Sep 2012 17:22 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: 5.2M
Depth: 38.3 Km
Lat/Lon: 35.7614 , 140.45
Event Date: 13 Sep 2012 17:22 UTC
14 Sep 2012 02:22 Local
Exposed Population:
33660000 people within 100km
Source: NEIC usc000cn0t
Inserted at: 13 Sep 2012 18:17 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000cn0t 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
119606 0.5 13 Sep 2012 17:22 5.2M, 38.3km N/A 33.7 million (in 100km) 00:55 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 Kanto (population 38,543,000) . The nearest places are Tako, Narita, Ino, Yokoshiba, Namegawa, Kansaki, Naruto, Omigawa, Hasunuma, Asahi Yokaichiba, and Saitama.

Radius Population
100 km 35.1 million people
75 km 19.5 million people
50 km 6.4 million people
20 km 570000 people
10 km 85000 people
5 km 16000 people
2 km 1900 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Tako Chiba Japan City - 3 km
Narita Chiba Japan City 100000 people 7 km
Ino Chiba Japan Village - 7 km
Yokoshiba Chiba Japan Village - 12 km
Namegawa Chiba Japan Village - 15 km
Kansaki Chiba Japan Village - 16 km
Naruto Chiba Japan City 22000 people 18 km
Omigawa Chiba Japan City 25000 people 18 km
Hasunuma Chiba Japan Village - 19 km
Asahi Yokaichiba Chiba Japan Village - 19 km
Sakura Chiba Japan City 180000 people 20 km
Ryugasaki Chiba Japan Village 85000 people 20 km
Idako Ibaraki Japan Village - 21 km
Koda Ibaraki Japan Village - 21 km
Chiba-nyutaun Chiba Japan Village - 23 km
Togane Chiba Japan Village 55000 people 24 km
Edosaki Ibaraki Japan Village 21000 people 24 km
Ushibori Ibaraki Japan Village - 25 km
Okunoya Ibaraki Japan Village - 25 km
Itako Ibaraki Japan Village 25000 people 25 km
Katakai Chiba Japan City - 26 km
Aso Ibaraki Japan Village - 27 km
Obunatsu Ibaraki Japan Village - 28 km
Kashima Ibaraki Japan Village 65000 people 28 km
Kyuchu Ibaraki Japan Village - 28 km
Ryugaski Ibaraki Japan Village - 28 km
Oyama Ibaraki Japan Village - 28 km
Fukawa Ibaraki Japan Village - 29 km
Nekoya Ibaraki Japan Village - 29 km
Oami Chiba Japan Village - 30 km
Yatabe Ibaraki Japan Village - 30 km
Negoya Ibaraki Japan Village - 31 km
Yaida Ibaraki Japan Village - 31 km
Omori Chiba Japan Village - 31 km
Aonuma Ibaraki Japan Village - 31 km
Oshita Ibaraki Japan Village - 31 km
Kihara Ibaraki Japan Village - 32 km
Kubo Ibaraki Japan Village - 33 km
Inoue Ibaraki Japan Village - 33 km
Narage Ibaraki Japan Village - 33 km
Choshi Chiba Japan City 84000 people 34 km
Koya Ibaraki Japan Village - 34 km
Omi Ibaraki Japan Village - 34 km
Yoshikawa Ibaraki Japan Village - 34 km
Chiba Chiba Japan Major city 920000 people 34 km
Yamada Ibaraki Japan Village - 35 km
Aruga Ibaraki Japan Village - 35 km
Obata Ibaraki Japan Village - 35 km
Aotsuka Ibaraki Japan Village - 36 km
Wakaguri Ibaraki Japan Village - 36 km
Jikkoku Ibaraki Japan Village - 36 km
Sakihama Ibaraki Japan Village - 36 km
Ushiku Ibaraki Japan Village 79000 people 36 km
Hamatsuga Ibaraki Japan Village - 36 km
Fuda Ibaraki Japan Village - 37 km
Owada Ibaraki Japan Village - 37 km
Tokawacho Chiba Japan Village - 37 km
Kofunatsu Ibaraki Japan Village - 37 km
Inuwaka Chiba Japan Village - 38 km
Ikku Ibaraki Japan Village - 38 km
Fujishiro Ibaraki Japan Village 33000 people 38 km
Kashiwazaki Ibaraki Japan Village - 38 km
Taiyo Ibaraki Japan Village - 38 km
Owana Ibaraki Japan Village - 39 km
Kyochikama Ibaraki Japan Village - 39 km
Kamagaya Chiba Japan City 110000 people 39 km
Mobara Chiba Japan City 96000 people 40 km
Abiko Chiba Japan City 130000 people 40 km
Arakawa-Oki Ibaraki Japan Village - 40 km
Takata Ibaraki Japan Village - 41 km
Shishikura Ibaraki Japan Village - 41 km
Goi Chiba Japan Village - 41 km
Muyokama Ibaraki Japan Village - 41 km
Hinosawa Ibaraki Japan Village - 42 km
Iioka Ibaraki Japan Village - 43 km
Hangu Ibaraki Japan Village - 43 km
Funabashi Chiba Japan City 560000 people 43 km
Kamiyama Ibaraki Japan Village - 43 km
Dainigorisawa Ibaraki Japan Village - 43 km
Ichinomiya Chiba Japan Village - 44 km
Yatabe Ibaraki Japan Village - 45 km
Obari Ibaraki Japan Village - 45 km
Nakanuki Ibaraki Japan Village - 45 km
Kai-Tamari Ibaraki Japan Village - 45 km
Chonan Chiba Japan Village - 46 km
Iina Ibaraki Japan Village - 46 km
Otake Ibaraki Japan Village - 46 km
Kami-Hirooka Ibaraki Japan Village - 46 km
Tonouchi Ibaraki Japan Village - 46 km
Tamatsukuri Ibaraki Japan Village - 46 km
Ogawa Ibaraki Japan Village - 46 km
Torinosu Ibaraki Japan Village - 47 km
Sakura Ibaraki Japan Village - 47 km
Ambo Ibaraki Japan Village - 48 km
Ichikawa Chiba Japan City 460000 people 48 km
Kami-Naganuma Ibaraki Japan Village - 48 km
Tsuchida Ibaraki Japan Village - 48 km
Ishiyatsudo Ibaraki Japan Village - 48 km
Matsudo Chiba Japan City 460000 people 48 km
Fujisawa Ibaraki Japan Village - 48 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
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 6 km
Ryugasaki South 2 0 23 km
Ryugasaki 2 0 25 km
Shimoshizu 30 0 29 km
26 0 38 km
Shimofusa 30 Civ. Paved Yes 7300 40 km
Hyakuri 32 Mil. Paved Yes 8800 47 km
Kisarazu 3 Mil. Paved Yes 6000 63 km
Chiba-ken 19 0 64 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 65 km
Yokohama YOK unknown 0 81 km
Chofu 41 Civ. Paved No 3200 84 km
Honda 12 0 87 km
Iruma 91 Mil. Paved Yes 6500 94 km
Suzumenomiya 82 0 95 km
Tachikawa 95 0 95 km
Atsugi NJA 62 Mil. Paved Yes 7900 97 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 99 km
Katsner AAF 109 Civ. Paved No 1900 100 km
Yokota AFB OKO 139 Mil. Paved Yes 11000 100 km

Ports

Name LOCODE Country Distance
Kashima JPKSM Japan 27 km
Choshi JPCHO Japan 34 km
Chiba JPCHB Japan 36 km
Anegasaki JPANE Japan 36 km
Goi JPGOI Japan 41 km
Katunan Ko Japan 43 km
Ogasawara JPOGA Japan 60 km
Tokyo JPTYO Japan 63 km
Kisarazu JPKZU Japan 63 km
Kawasaki JPKWS Japan 68 km
Katsuura Ko Japan 71 km
Yokohama JPYOK Japan 81 km
Hitachi JPHTC Japan 83 km
Neghisi JPNGI Japan 84 km
Yokosuka JPYOS Japan 89 km
Kurihama JPKRH Japan 92 km

Dams

Reservoir Dam Name River Year Distance
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 23 km
Yamakura Yamakura Yamakuragawa 1964 42 km
Takatakiko Takataki Yorogawa 1990 53 km
Kameyamako Kameyama Obitsugawa 1980 68 km
Kori Kori Korigawa 1972 71 km
Jajanboike Kozogawa Kozogawa 1985 73 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 77 km
Yanakako Wataraseyusuichi Watarasegawa 1989 85 km
Sakuma Sakuma Okuzuregawa 1990 87 km
Tamako Murayamashimo Tamagawa 2008 92 km
Tamako Murayamakami Tamagawa 1924 94 km
Sayamako Yamaguchi Tamagawa 2002 94 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 79 km

More information

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