M 5 in Japan on 21 Dec 2012 08:07 UTC
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: 5.0M
Depth: 35.3 Km
Lat/Lon: 38.6019 , 141.912
Event Date: 21 Dec 2012 08:07 UTC
21 Dec 2012 17:07 Local
Exposed Population:
2310000 people within 100km
Source: NEIC usc000ee68
Inserted at: 21 Dec 2012 08:27 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000ee68 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
121545 0.5 21 Dec 2012 08:07 5M, 35.3km N/A 2.3 million (in 100km) 00:20 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 Tohoku (population 9,984,608) . The nearest places are Tomarihama, Osu, Natari, Kodaki, Ozashi, Kumazawa, Terahama, Ohama, Kesennuma, Kuwahama, and Sendai.

Radius Population
100 km 2.1 million people
75 km 560000 people
50 km 130000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Tohoku Japan 10 million people
Kanto Japan 38.5 million people
Hokkaido Japan 5.8 million people
Chubu Japan 5.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Tomarihama Miyagi Japan Village - 33 km
Osu Miyagi Japan Village - 34 km
Natari Miyagi Japan Village - 34 km
Kodaki Miyagi Japan Village - 34 km
Ozashi Miyagi Japan Village - 34 km
Kumazawa Miyagi Japan Village - 35 km
Terahama Miyagi Japan Village - 35 km
Ohama Miyagi Japan Village - 35 km
Kesennuma Miyagi Japan Village 59000 people 36 km
Kuwahama Miyagi Japan Village - 36 km
Funagoshi Miyagi Japan Village - 36 km
Isatomae Miyagi Japan Village - 36 km
Aikawa Miyagi Japan Village - 36 km
Minato Miyagi Japan Village - 36 km
Tatsuhama Miyagi Japan Village - 36 km
Sakihama Miyagi Japan Village - 36 km
Matsuzaki Miyagi Japan Village - 37 km
Oya Miyagi Japan Village - 38 km
Izushima Miyagi Japan Village - 38 km
Kesaiso Miyagi Japan Village - 38 km
Terama Miyagi Japan Village - 38 km
Akuao Miyagi Japan Village - 38 km
Aratohama Miyagi Japan Village - 38 km
Hiraiso Miyagi Japan Village - 39 km
Tsukihama Miyagi Japan Village - 39 km
Uranohama Miyagi Japan Village - 39 km
Ogatsu Miyagi Japan Village - 39 km
Koizumi Miyagi Japan Village - 40 km
Motoyoshi Miyagi Japan Village - 40 km
Shuku Miyagi Japan Village - 41 km
Shizugawa Miyagi Japan Village - 41 km
Tsurugaura Miyagi Japan Village - 41 km
Ommaehama Miyagi Japan Village - 41 km
Yoriiso Miyagi Japan Village - 41 km
Nakase Miyagi Japan Village - 42 km
Tadagoe Miyagi Japan Village - 42 km
Haraigawa Miyagi Japan Village - 43 km
Tomari Iwate Japan Village - 43 km
Inohana Miyagi Japan Village - 43 km
Kurosaki Iwate Japan Village - 43 km
Oritate Miyagi Japan Village - 43 km
Aramachi Miyagi Japan Village - 44 km
Tomari Miyagi Japan Village - 44 km
Nagatsura Miyagi Japan Village - 44 km
Onagawa Miyagi Japan Village - 44 km
Samenoura Miyagi Japan Village - 44 km
Kagamiishi Miyagi Japan Village - 45 km
Onagawahama Miyagi Japan Village - 45 km
Hama Miyagi Japan Village - 45 km
Magome Miyagi Japan Village - 45 km
Yagawa Miyagi Japan Village - 45 km
Tsuya Miyagi Japan Village - 46 km
Niiyama Miyagi Japan Village - 46 km
Kogakuchi Iwate Japan Village - 46 km
Koharagi Miyagi Japan Village - 47 km
Nojiri Miyagi Japan Village - 47 km
Shimo-Tsuyakawa Iwate Japan Village - 48 km
Otsunagi Miyagi Japan Village - 48 km
Koamikura Miyagi Japan Village - 48 km
Nagasaki Iwate Japan Village - 49 km
Kitazawa Miyagi Japan Village - 49 km
Mizunuma Miyagi Japan Village - 49 km
Oshika Miyagi Japan Village - 49 km
Ayukawahama Miyagi Japan Village - 49 km
Shimozaike Iwate Japan Village - 49 km
Imaizumi Iwate Japan Village - 49 km
Kukunari Miyagi Japan Village - 49 km
Hosaura Iwate Japan Village - 49 km
Fukkiura Miyagi Japan Village - 49 km
Saragai Miyagi Japan Village - 50 km
Oharahama Miyagi Japan Village - 50 km
Takenohama Miyagi Japan Village - 50 km
Kobuchi Miyagi Japan Village - 50 km
Ryori Iwate Japan Village - 50 km
Wakinosawa Iwate Japan Village - 50 km
Attari Iwate Japan Village - 50 km
Kami-Hazawa Miyagi Japan Village - 50 km
Nonomae Iwate Japan Village - 50 km
Tsukuya Iwate Japan Village - 50 km
Asatanuki Miyagi Japan Village - 50 km
Kitsunezaki Miyagi Japan Village - 51 km
Shimo-Funato Iwate Japan Village - 51 km
Okubo Iwate Japan Village - 51 km
Rikuzen-Takata Iwate Japan Village - 52 km
Karukome Miyagi Japan Village - 52 km
Kotake Miyagi Japan Village - 52 km
Watanoha Miyagi Japan Village - 52 km
Yanaizu Miyagi Japan Village - 53 km
Iinogawa Miyagi Japan Village - 53 km
Futawatashi Miyagi Japan Village - 53 km
Koishihama Iwate Japan Village - 53 km
Higashi-Fukuda Miyagi Japan Village - 53 km
Ofunato Iwate Japan Village 37000 people 53 km
Oenokawara Miyagi Japan Village - 53 km
Kami-tsuyakawa Iwate Japan Village - 54 km
Ikenohama Miyagi Japan Village - 54 km
Aji Miyagi Japan Village - 54 km
Inai Miyagi Japan Village - 54 km
Horowa Iwate Japan Village - 54 km
Odomari Miyagi 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
Matsushima 2 Civ. Paved Yes 8800 64 km
Ojojibara 70 0 93 km
Kasuminome 5 0 94 km

Ports

Name LOCODE Country Distance
Kesennuma Ko Japan 40 km
Onagawa JPONG Japan 44 km
Ofunato JPOFT Japan 53 km
Ishinomaki JPISM Japan 56 km
Kamaishi JPKIS Japan 74 km
Shiogama JPSGM Japan 83 km
Yamada Japan 96 km

Dams

Reservoir Dam Name River Year Distance
Naganuma Naganuma Hazamagawa 2005 67 km
Kejonuma Kejonuma Tajirigawa 1995 83 km
Kurikoma Kurikoma Sanhazamagawa 1961 93 km
Hanayamako Hanayama Hazamagawa 2004 93 km
Nanatsumoriko Minamikawa Minamikawa 1987 97 km
Taseko Tase Sarugaishigawa 1954 97 km

Nuclear plants

Name Country Reactors Distance
ONAGAWA JAPAN 3 42 km

More information

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