M 5.5 in Japan on 29 Aug 2012 19:05 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: 5.5M
Depth: Km
Lat/Lon: 38.4246 , 141.888
Event Date: 29 Aug 2012 19:05 UTC
30 Aug 2012 04:05 Local
Exposed Population:
2380000 people within 100km
Source: NEIC usc000caec
Inserted at: 29 Aug 2012 19:37 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000caec 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
119111 0.5 29 Aug 2012 19:05 5.5M, 53.7km N/A 2.4 million (in 100km) 00:31 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 Terama, Yoriiso, Osu, Izushima, Kumazawa, Kuwahama, Tomari, Tatsuhama, Niiyama, Ohama, and Sendai.

Radius Population
100 km 2.2 million people
75 km 480000 people
50 km 71000 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
Chubu Japan 5.2 million people
Hokkaido Japan 5.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Terama Miyagi Japan Village - 31 km
Yoriiso Miyagi Japan Village - 32 km
Osu Miyagi Japan Village - 32 km
Izushima Miyagi Japan Village - 32 km
Kumazawa Miyagi Japan Village - 32 km
Kuwahama Miyagi Japan Village - 33 km
Tomari Miyagi Japan Village - 33 km
Tatsuhama Miyagi Japan Village - 34 km
Niiyama Miyagi Japan Village - 34 km
Ohama Miyagi Japan Village - 34 km
Funagoshi Miyagi Japan Village - 35 km
Samenoura Miyagi Japan Village - 35 km
Yagawa Miyagi Japan Village - 36 km
Oshika Miyagi Japan Village - 36 km
Ayukawahama Miyagi Japan Village - 36 km
Ommaehama Miyagi Japan Village - 36 km
Kukunari Miyagi Japan Village - 37 km
Ogatsu Miyagi Japan Village - 37 km
Oharahama Miyagi Japan Village - 38 km
Ozashi Miyagi Japan Village - 38 km
Kobuchi Miyagi Japan Village - 38 km
Koamikura Miyagi Japan Village - 38 km
Kodaki Miyagi Japan Village - 39 km
Onagawahama Miyagi Japan Village - 39 km
Futawatashi Miyagi Japan Village - 39 km
Aikawa Miyagi Japan Village - 39 km
Fukkiura Miyagi Japan Village - 40 km
Terahama Miyagi Japan Village - 40 km
Tsukihama Miyagi Japan Village - 40 km
Takenohama Miyagi Japan Village - 40 km
Aji Miyagi Japan Village - 41 km
Ikenohama Miyagi Japan Village - 41 km
Kitsunezaki Miyagi Japan Village - 42 km
Tomarihama Miyagi Japan Village - 42 km
Nagatsura Miyagi Japan Village - 43 km
Odomari Miyagi Japan Village - 43 km
Nitoda Miyagi Japan Village - 43 km
Natari Miyagi Japan Village - 44 km
Kotake Miyagi Japan Village - 44 km
Aratohama Miyagi Japan Village - 45 km
Isatomae Miyagi Japan Village - 45 km
Onagawa Miyagi Japan Village - 45 km
Mizunuma Miyagi Japan Village - 45 km
Minato Miyagi Japan Village - 46 km
Watanoha Miyagi Japan Village - 46 km
Shizugawa Miyagi Japan Village - 47 km
Oritate Miyagi Japan Village - 47 km
Aramachi Miyagi Japan Village - 48 km
Kesaiso Miyagi Japan Village - 49 km
Inai Miyagi Japan Village - 49 km
Nojiri Miyagi Japan Village - 49 km
Saragai Miyagi Japan Village - 49 km
Higashi-Fukuda Miyagi Japan Village - 50 km
Koizumi Miyagi Japan Village - 51 km
Iinogawa Miyagi Japan Village - 51 km
Oya Miyagi Japan Village - 51 km
Haraigawa Miyagi Japan Village - 51 km
Hiraiso Miyagi Japan Village - 51 km
Kagamiishi Miyagi Japan Village - 51 km
Moto-Funaba Miyagi Japan Village - 52 km
Ishinomaki Miyagi Japan City 120000 people 52 km
Motoyoshi Miyagi Japan Village - 52 km
Kitazawa Miyagi Japan Village - 52 km
Akuao Miyagi Japan Village - 52 km
Kesennuma Miyagi Japan Village 59000 people 52 km
Matsuzaki Miyagi Japan Village - 52 km
Sakihama Miyagi Japan Village - 52 km
Kanomata Miyagi Japan Village - 53 km
Kamata Miyagi Japan Village - 53 km
Iwasaki Miyagi Japan Village - 53 km
Inohana Miyagi Japan Village - 54 km
Uranohama Miyagi Japan Village - 54 km
Ota Miyagi Japan Village - 55 km
Kami-Hazawa Miyagi Japan Village - 55 km
Yanaizu Miyagi Japan Village - 55 km
Magome Miyagi Japan Village - 55 km
Otsunagi Miyagi Japan Village - 56 km
Yamane Miyagi Japan Village - 56 km
Shirotori Miyagi Japan Village - 56 km
Tsurugaura Miyagi Japan Village - 56 km
Shinzan Miyagi Japan Village - 56 km
Asatanuki Miyagi Japan Village - 57 km
Nakase Miyagi Japan Village - 57 km
Tsuya Miyagi Japan Village - 57 km
Shuku Miyagi Japan Village - 57 km
Honchi Miyagi Japan Village - 58 km
Sunaoshi Miyagi Japan Village - 58 km
Shimozaike Iwate Japan Village - 59 km
Kamimachi Miyagi Japan Village - 59 km
Shimo-Tsuyakawa Iwate Japan Village - 59 km
Tadagoe Miyagi Japan Village - 59 km
Hirobuchi Miyagi Japan Village - 59 km
Karukome Miyagi Japan Village - 60 km
Maeya Miyagi Japan Village - 60 km
Shinden Miyagi Japan Village - 60 km
Hama Miyagi Japan Village - 60 km
Naka-Komatsu Miyagi Japan Village - 60 km
Tomari Iwate Japan Village - 61 km
Wabuchi Miyagi Japan Village - 61 km
Morinokoshi Miyagi Japan Village - 61 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 59 km
Kasuminome 5 0 86 km
Sendai SDJ 5 Civ. Paved Yes 9800 91 km
Ojojibara 70 0 91 km

Ports

Name LOCODE Country Distance
Onagawa JPONG Japan 38 km
Ishinomaki JPISM Japan 50 km
Kesennuma Ko Japan 55 km
Ofunato JPOFT Japan 72 km
Shiogama JPSGM Japan 76 km
Kamaishi JPKIS Japan 94 km

Dams

Reservoir Dam Name River Year Distance
Naganuma Naganuma Hazamagawa 2005 72 km
Kejonuma Kejonuma Tajirigawa 1995 84 km
Nanatsumoriko Minamikawa Minamikawa 1987 93 km
Tarumizuko Tarumizu Masudagawa 1976 96 km
Hanayamako Hanayama Hazamagawa 2004 97 km

Nuclear plants

Name Country Reactors Distance
ONAGAWA JAPAN 3 34 km

More information

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