M 4.8 in Japan on 15 Dec 2012 05:46 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: 4.8M
Depth: 45.3 Km
Lat/Lon: 36.7974 , 141.128
Event Date: 15 Dec 2012 05:46 UTC
15 Dec 2012 14:46 Local
Exposed Population:
2500000 people within 100km
Source: NEIC usc000ea5r
Inserted at: 15 Dec 2012 06:25 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000ea5r 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
121453 0.5 15 Dec 2012 05:46 4.8M, 45.3km N/A 2.5 million (in 100km) 00:38 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 Ohahama, Ena, Toyoma, Onahama, Obama, Sumiyoshi, Shimo-Takaku, Hirakata, Shimo-Yata, Terashita, and Mito.

Radius Population
100 km 2.6 million people
75 km 1.1 million people
50 km 510000 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

Affected populated places

Name Region Province Country City class Population Distance
Ohahama Fukushima Japan Village - 24 km
Ena Fukushima Japan Village - 25 km
Toyoma Fukushima Japan Village - 26 km
Onahama Fukushima Japan City - 27 km
Obama Fukushima Japan Village - 28 km
Sumiyoshi Fukushima Japan Village - 29 km
Shimo-Takaku Fukushima Japan Village - 29 km
Hirakata Ibaraki Japan Village - 30 km
Shimo-Yata Fukushima Japan Village - 31 km
Terashita Fukushima Japan Village - 32 km
Tanebe Fukushima Japan Village - 32 km
Sekifune Fukushima Japan Village - 32 km
Aratame Fukushima Japan Village - 32 km
Soeno Fukushima Japan Village - 33 km
Shuku Ibaraki Japan Village - 33 km
Ueda Fukushima Japan City - 33 km
Yunami Ibaraki Japan Village - 33 km
Taira Fukushima Japan City - 34 km
Kubota Fukushima Japan Village - 34 km
Isohara Ibaraki Japan Village - 35 km
Kami-Kamato Fukushima Japan Village - 35 km
Tsuzura Fukushima Japan Village - 35 km
Ono-Yasashi Ibaraki Japan Village - 35 km
Idekura Fukushima Japan Village - 35 km
Omori Fukushima Japan Village - 36 km
Otsu Fukushima Japan Village - 36 km
Mabarado Fukushima Japan Village - 36 km
Kami-Yamoda Fukushima Japan Village - 36 km
Kisara Ibaraki Japan Village - 37 km
Ogawa Fukushima Japan Village - 37 km
Hatta Fukushima Japan Village - 37 km
Kitakubo Ibaraki Japan Village - 38 km
Yoshima Fukushima Japan Village - 38 km
Uchino Ibaraki Japan Village - 38 km
Kezuruki-Yashiki Ibaraki Japan Village - 39 km
Hama Ibaraki Japan Village - 39 km
Nakayama Fukushima Japan Village - 40 km
Taki Fukushima Japan Village - 40 km
Koshigoe Ibaraki Japan Village - 40 km
Kitakota Ibaraki Japan Village - 41 km
Yotsukura Fukushima Japan Village - 41 km
Kawajiri Ibaraki Japan Village - 41 km
Tabyuto Fukushima Japan Village - 41 km
Kawaziri Ibaraki Japan Village - 42 km
Mishima Fukushima Japan Village - 42 km
Mizunuma Ibaraki Japan Village - 42 km
Kuroda Fukushima Japan Village - 42 km
Yokokawa Ibaraki Japan Village - 42 km
Kanari Ibaraki Japan Village - 43 km
Tomobe Ibaraki Japan Village - 43 km
Yamabe Ibaraki Japan Village - 43 km
Ohata Ibaraki Japan Village - 43 km
Saimaru Ibaraki Japan Village - 43 km
Takahagi Fukushima Japan Village - 43 km
Tajirihama Ibaraki Japan Village - 44 km
Arayashik Fukushima Japan Village - 44 km
Wakaguri Ibaraki Japan Village - 44 km
Minami-Odaira Fukushima Japan Village - 44 km
Ogitsu Ibaraki Japan Village - 44 km
Torizone Ibaraki Japan Village - 45 km
Shionohira Fukushima Japan Village - 45 km
Iritono Fukushima Japan Village - 45 km
Okaneda Ibaraki Japan Village - 45 km
Suzudaira Ibaraki Japan Village - 45 km
Goto Fukushima Japan Village - 45 km
Nijibu Fukushima Japan Village - 46 km
Dozan Fukushima Japan Village - 46 km
Futta Fukushima Japan Village - 46 km
Shimo-Kimida Ibaraki Japan Village - 47 km
Kami-Asamigawa Fukushima Japan Village - 47 km
Doyaba Fukushima Japan Village - 48 km
Hitachi Ibaraki Japan City 180000 people 48 km
Takahara Ibaraki Japan Village - 48 km
Yanagizawa Ibaraki Japan Village - 49 km
Shimo-Kitabo Fukushima Japan Village - 49 km
Yonedaira Ibaraki Japan Village - 49 km
Onida Ibaraki Japan Village - 49 km
Eda Fukushima Japan Village - 50 km
Yama-Ogawa Ibaraki Japan Village - 50 km
Kaidomari Fukushima Japan Village - 50 km
Kami-Nagai Fukushima Japan Village - 51 km
Okami Ibaraki Japan Village - 51 km
Kitanosawa Ibaraki Japan Village - 51 km
Nita Fukushima Japan Village - 51 km
Moto-Kawarago Ibaraki Japan Village - 51 km
Narusawa Ibaraki Japan Village - 51 km
Nakadera Fukushima Japan Village - 52 km
Shinden Ibaraki Japan Village - 52 km
Irishiken Ibaraki Japan Village - 52 km
Hokidaira Fukushima Japan Village - 53 km
Akagona Fukushima Japan Village - 54 km
Satogawa Ibaraki Japan Village - 54 km
Mizuki Ibaraki Japan Village - 54 km
Shinden Fukushima Japan Village - 54 km
Nagura Fukushima Japan Village - 54 km
Kasaishi Ibaraki Japan Village - 55 km
Ide Fukushima Japan Village - 55 km
Wabuchi Ibaraki Japan Village - 55 km
Tonobatake Fukushima Japan Village - 55 km
Machiya Ibaraki Japan Village - 55 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 78 km
Hyakuri 32 Mil. Paved Yes 8800 94 km
Otawara 201 0 98 km

Ports

Name LOCODE Country Distance
Onahama JPONA Japan 25 km
Hitachi JPHTC Japan 56 km

Dams

Reservoir Dam Name River Year Distance
Shitokiko Shitoki Shitokigawa 1983 39 km
Takashibako Takashiba Samekawa 1961 40 km
Mizunuma Mizunuma Hanazonokawa 1966 41 km
Sakashita Sakashita Okawaragawa 1973 67 km
Bobatako Sengozawa Kitasugawa 1974 72 km
Jajanboike Kozogawa Kozogawa 1985 78 km
Ogaki Ogaki Ukedogawa 1985 83 km
Yokokawa Yokokawa Otagawa 1983 91 km
Takanokura Takanokura Mizunashigawa 1975 95 km

Nuclear plants

Name Country Reactors Distance
FUKUSHIMA-DAINI JAPAN 4 58 km
TOKAI JAPAN 3 59 km
FUKUSHIMA-DAIICHI JAPAN 6 69 km

More information

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