M 4.7 in Japan on 03 Dec 2012 04:57 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: 4.7M
Depth: Km
Lat/Lon: 36.2708 , 140.766
Event Date: 03 Dec 2012 04:57 UTC
03 Dec 2012 13:57 Local
Exposed Population:
11030000 people within 100km
Source: NEIC usc000e2ql
Inserted at: 03 Dec 2012 06:00 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000e2ql 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
121229 0.5 03 Dec 2012 04:57 4.7M, 67.1km N/A 11 million (in 100km) 01:03 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 Nakaminato, Kamigama, Natsumi, Noda, Katsuori, Hokota, Otake, Oyagaw, Ogushi, Dainigorisawa, and Chiba.

Radius Population
100 km 11.6 million people
75 km 3.3 million people
50 km 1.4 million people
20 km 49000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Nakaminato Ibaraki Japan Village 31000 people 18 km
Kamigama Ibaraki Japan Village - 19 km
Natsumi Ibaraki Japan Village - 19 km
Noda Ibaraki Japan Village - 19 km
Katsuori Ibaraki Japan Village - 20 km
Hokota Ibaraki Japan Village 28000 people 21 km
Otake Ibaraki Japan Village - 21 km
Oyagaw Ibaraki Japan Village - 21 km
Ogushi Ibaraki Japan Village - 21 km
Dainigorisawa Ibaraki Japan Village - 22 km
Asahi Ibaraki Japan Village - 22 km
Nakane Ibaraki Japan Village - 22 km
Nagasu Ibaraki Japan Village - 22 km
Nagasuna Ibaraki Japan Village - 23 km
Morido Ibaraki Japan Village - 23 km
Muyokama Ibaraki Japan Village - 23 km
Ambo Ibaraki Japan Village - 24 km
Kyochikama Ibaraki Japan Village - 24 km
Shirane Ibaraki Japan Village - 25 km
Iina Ibaraki Japan Village - 26 km
Taiyo Ibaraki Japan Village - 26 km
Hamatsuga Ibaraki Japan Village - 27 km
Funaki Ibaraki Japan Village - 27 km
Takata Ibaraki Japan Village - 27 km
Toyooka Ibaraki Japan Village - 27 km
Ebisawa Ibaraki Japan Village - 27 km
Tahiko Ibaraki Japan Village - 28 km
Aotsuka Ibaraki Japan Village - 28 km
Ishiyatsudo Ibaraki Japan Village - 28 km
Yoshisawa Ibaraki Japan Village - 28 km
Kuji Ibaraki Japan City 35000 people 28 km
Fuda Ibaraki Japan Village - 28 km
Torinosu Ibaraki Japan Village - 29 km
Omi Ibaraki Japan Village - 30 km
Koya Ibaraki Japan Village - 30 km
Semba Ibaraki Japan Village - 30 km
Mizuki Ibaraki Japan Village - 30 km
Narage Ibaraki Japan Village - 30 km
Kofunatsu Ibaraki Japan Village - 30 km
Kotsuru Ibaraki Japan Village - 30 km
Yoshikawa Ibaraki Japan Village - 31 km
Momiji Ibaraki Japan Village - 31 km
Yamada Ibaraki Japan Village - 31 km
Akiba Ibaraki Japan Village - 31 km
Torihada Ibaraki Japan Village - 31 km
Sugaya Ibaraki Japan Village - 31 km
Kamiyama Ibaraki Japan Village - 32 km
Moto-Kawarago Ibaraki Japan Village - 32 km
Owana Ibaraki Japan Village - 33 km
Obata Ibaraki Japan Village - 33 km
Negoya Ibaraki Japan Village - 33 km
Iida Ibaraki Japan Village - 33 km
Mayumi Ibaraki Japan Village - 34 km
Okunoya Ibaraki Japan Village - 34 km
Takata Ibaraki Japan Village - 34 km
Tonouchi Ibaraki Japan Village - 34 km
Noso Ibaraki Japan Village - 34 km
Aonuma Ibaraki Japan Village - 34 km
Narusawa Ibaraki Japan Village - 35 km
Nekoya Ibaraki Japan Village - 35 km
Iinuma Ibaraki Japan Village - 36 km
Kozura Ibaraki Japan Village - 36 km
Kyuchu Ibaraki Japan Village - 36 km
Kashima Ibaraki Japan Village 65000 people 36 km
Koibuchi Ibaraki Japan Village - 36 km
Obunatsu Ibaraki Japan Village - 36 km
Mazunochi Ibaraki Japan Village - 37 km
Mito Ibaraki Japan Major city 240000 people 37 km
Hitachi Ibaraki Japan City 180000 people 37 km
Mazaka Ibaraki Japan Village - 37 km
Nakasai Ibaraki Japan Village - 37 km
Katakura Ibaraki Japan Village - 37 km
Hangu Ibaraki Japan Village - 37 km
Tamukai Ibaraki Japan Village - 37 km
Kubo Ibaraki Japan Village - 37 km
Takane Ibaraki Japan Village - 38 km
Oshita Ibaraki Japan Village - 38 km
Inoue Ibaraki Japan Village - 38 km
Urizura Ibaraki Japan Village - 38 km
Uritsura Ibaraki Japan Village - 38 km
Yatsu Ibaraki Japan Village - 38 km
Sanga Ibaraki Japan Village - 38 km
Tamatsukuri Ibaraki Japan Village - 38 km
Ogawa Ibaraki Japan Village - 38 km
Uchihara Ibaraki Japan Village - 38 km
Miyata Ibaraki Japan Village - 39 km
Satonomiya Ibaraki Japan Village - 39 km
Ushibori Ibaraki Japan Village - 39 km
Sugisaki Ibaraki Japan Village - 39 km
Kitanosawa Ibaraki Japan Village - 39 km
Aso Ibaraki Japan Village - 39 km
Ago Ibaraki Japan Village - 39 km
Tajirihama Ibaraki Japan Village - 40 km
Kume Ibaraki Japan Village - 40 km
Tetsutsumi Ibaraki Japan Village - 40 km
Kami-Irino Ibaraki Japan Village - 40 km
Itako Ibaraki Japan Village 25000 people 40 km
Ota Ibaraki Japan Village - 40 km
Sumiyoshi Ibaraki Japan Village - 40 km
Takehara Ibaraki Japan Village - 41 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
Hyakuri 32 Mil. Paved Yes 8800 33 km
26 0 58 km
Ryugasaki 2 0 62 km
Ryugasaki South 2 0 65 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 66 km
Suzumenomiya 82 0 84 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 85 km
Shimofusa 30 Civ. Paved Yes 7300 86 km
Shimoshizu 30 0 88 km
Chiba-ken 19 0 91 km
Otawara 201 0 93 km

Ports

Name LOCODE Country Distance
Hitachi JPHTC Japan 28 km
Kashima JPKSM Japan 41 km
Choshi JPCHO Japan 60 km
Onahama JPONA Japan 75 km
Anegasaki JPANE Japan 95 km
Chiba JPCHB Japan 95 km
Katunan Ko Japan 97 km

Dams

Reservoir Dam Name River Year Distance
Jajanboike Kozogawa Kozogawa 1985 37 km
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 41 km
Mizunuma Mizunuma Hanazonokawa 1966 65 km
Shitokiko Shitoki Shitokigawa 1983 71 km
Takashibako Takashiba Samekawa 1961 77 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 96 km
Yanakako Wataraseyusuichi Watarasegawa 1989 98 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 25 km

More information

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