M 4.6 in Japan on 04 Jan 2013 13:52 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: 63.5 Km
Lat/Lon: 36.91 , 141.338
Event Date: 04 Jan 2013 13:52 UTC
04 Jan 2013 22:52 Local
Exposed Population:
1660000 people within 100km
Source: NEIC usc000ej9l
Inserted at: 04 Jan 2013 14:59 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000ej9l 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
121769 0.5 04 Jan 2013 13:52 4.6M, 63.5km N/A 1.7 million (in 100km) 01:06 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 Toyoma, Ohahama, Ena, Shimo-Takaku, Aratame, Omori, Shimo-Yata, Taira, Onahama, Sumiyoshi, and Takahara.

Radius Population
100 km 1.6 million people
75 km 560000 people
50 km 320000 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
Kinki Japan 22.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Toyoma Fukushima Japan Village - 34 km
Ohahama Fukushima Japan Village - 35 km
Ena Fukushima Japan Village - 35 km
Shimo-Takaku Fukushima Japan Village - 36 km
Aratame Fukushima Japan Village - 37 km
Omori Fukushima Japan Village - 39 km
Shimo-Yata Fukushima Japan Village - 40 km
Taira Fukushima Japan City - 40 km
Onahama Fukushima Japan City - 40 km
Sumiyoshi Fukushima Japan Village - 41 km
Yotsukura Fukushima Japan Village - 41 km
Obama Fukushima Japan Village - 42 km
Sekifune Fukushima Japan Village - 44 km
Arayashik Fukushima Japan Village - 44 km
Nakayama Fukushima Japan Village - 44 km
Tsuzura Fukushima Japan Village - 44 km
Yoshima Fukushima Japan Village - 45 km
Tanebe Fukushima Japan Village - 45 km
Kami-Asamigawa Fukushima Japan Village - 45 km
Shimo-Kitabo Fukushima Japan Village - 46 km
Soeno Fukushima Japan Village - 47 km
Mabarado Fukushima Japan Village - 47 km
Mishima Fukushima Japan Village - 47 km
Dozan Fukushima Japan Village - 48 km
Kami-Kamato Fukushima Japan Village - 48 km
Takahagi Fukushima Japan Village - 48 km
Hirakata Ibaraki Japan Village - 49 km
Terashita Fukushima Japan Village - 49 km
Ueda Fukushima Japan City - 50 km
Otsu Fukushima Japan Village - 51 km
Kubota Fukushima Japan Village - 51 km
Ide Fukushima Japan Village - 51 km
Kami-Yamoda Fukushima Japan Village - 51 km
Yunami Ibaraki Japan Village - 52 km
Naraha Fukushima Japan Village - 52 km
Kami-Shigeoka Fukushima Japan Village - 52 km
Hokidaira Fukushima Japan Village - 52 km
Hatta Fukushima Japan Village - 53 km
Idekura Fukushima Japan Village - 53 km
Shuku Ibaraki Japan Village - 53 km
Ogawa Fukushima Japan Village - 53 km
Taki Fukushima Japan Village - 54 km
Doyaba Fukushima Japan Village - 54 km
Eda Fukushima Japan Village - 54 km
Goto Fukushima Japan Village - 54 km
Isohara Ibaraki Japan Village - 55 km
Tomioka Fukushima Japan Village - 56 km
Ono-Yasashi Ibaraki Japan Village - 56 km
Kuroda Fukushima Japan Village - 56 km
Otojiro Fukushima Japan Village - 57 km
Tabyuto Fukushima Japan Village - 57 km
Kisara Ibaraki Japan Village - 57 km
Iritono Fukushima Japan Village - 57 km
Oragahama Fukushima Japan Village - 57 km
Uchino Ibaraki Japan Village - 58 km
Kami-Nagai Fukushima Japan Village - 58 km
Bogoya Fukushima Japan Village - 58 km
Shionohira Fukushima Japan Village - 59 km
Koshigoe Ibaraki Japan Village - 59 km
Kitakubo Ibaraki Japan Village - 59 km
Nakadera Fukushima Japan Village - 60 km
Takatsudo Fukushima Japan Village - 60 km
Kezuruki-Yashiki Ibaraki Japan Village - 60 km
Mizunuma Ibaraki Japan Village - 60 km
Saimaru Ibaraki Japan Village - 61 km
Nijibu Fukushima Japan Village - 61 km
Minami-Odaira Fukushima Japan Village - 61 km
Uzugawa Fukushima Japan Village - 61 km
Kawamae Fukushima Japan Village - 61 km
Hama Ibaraki Japan Village - 61 km
Odashiro Fukushima Japan Village - 61 km
Futta Fukushima Japan Village - 62 km
Kitakota Ibaraki Japan Village - 62 km
Yokokawa Ibaraki Japan Village - 62 km
Ogawara Fukushima Japan Village - 62 km
Ohata Ibaraki Japan Village - 63 km
Gomaisawa Fukushima Japan Village - 63 km
Unejiri Fukushima Japan Village - 63 km
Kawajiri Ibaraki Japan Village - 63 km
Kanari Ibaraki Japan Village - 64 km
Shidamyo Fukushima Japan Village - 64 km
Shinden Fukushima Japan Village - 64 km
Kawaziri Ibaraki Japan Village - 64 km
Okaneda Ibaraki Japan Village - 64 km
Shimo-Kawauchi Fukushima Japan Village - 64 km
Nita Fukushima Japan Village - 64 km
Wakaguri Ibaraki Japan Village - 64 km
Kaidomari Fukushima Japan Village - 65 km
Yamabe Ibaraki Japan Village - 65 km
Okuma Fukushima Japan Village - 65 km
Tomobe Ibaraki Japan Village - 65 km
Kami-Ichigaya Fukushima Japan Village - 65 km
Tajirihama Ibaraki Japan Village - 66 km
Torizone Ibaraki Japan Village - 66 km
Shimo-Misaka Fukushima Japan Village - 66 km
Shimo-Kimida Ibaraki Japan Village - 67 km
Ogitsu Ibaraki Japan Village - 67 km
Tsunagi Fukushima Japan Village - 67 km
Suzudaira Ibaraki Japan Village - 67 km
Yama-Ogawa Ibaraki Japan Village - 67 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
Fukushima FKS 372 Civ. Paved Yes 8200 88 km

Ports

Name LOCODE Country Distance
Onahama JPONA Japan 39 km
Hitachi JPHTC Japan 78 km

Dams

Reservoir Dam Name River Year Distance
Takashibako Takashiba Samekawa 1961 55 km
Shitokiko Shitoki Shitokigawa 1983 55 km
Mizunuma Mizunuma Hanazonokawa 1966 59 km
Sakashita Sakashita Okawaragawa 1973 63 km
Ogaki Ogaki Ukedogawa 1985 79 km
Bobatako Sengozawa Kitasugawa 1974 82 km
Yokokawa Yokokawa Otagawa 1983 86 km
Takanokura Takanokura Mizunashigawa 1975 89 km
Jajanboike Kozogawa Kozogawa 1985 100 km

Nuclear plants

Name Country Reactors Distance
FUKUSHIMA-DAINI JAPAN 4 53 km
FUKUSHIMA-DAIICHI JAPAN 6 62 km
TOKAI JAPAN 3 82 km

More information

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