M 4.5 in Japan on 06 Dec 2012 10:17 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: 4.5M
Depth: 67.5 Km
Lat/Lon: 36.4606 , 140.719
Event Date: 06 Dec 2012 10:17 UTC
06 Dec 2012 19:17 Local
Exposed Population:
7320000 people within 100km
Source: NEIC usc000e561
Inserted at: 06 Dec 2012 11:16 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000e561 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
121287 0.5 06 Dec 2012 10:17 4.5M, 67.5km N/A 7.3 million (in 100km) 00:59 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 Mizuki, Kuji, Toyooka, Shirane, Moto-Kawarago, Nakaminato, Nagasuna, Narusawa, Hitachi, Mayumi, and Ishii.

Radius Population
100 km 7.7 million people
75 km 3.2 million people
50 km 1.3 million people
20 km 390000 people
10 km 5400 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
Mizuki Ibaraki Japan Village - 10 km
Kuji Ibaraki Japan City 35000 people 10 km
Toyooka Ibaraki Japan Village - 10 km
Shirane Ibaraki Japan Village - 11 km
Moto-Kawarago Ibaraki Japan Village - 11 km
Nakaminato Ibaraki Japan Village 31000 people 12 km
Nagasuna Ibaraki Japan Village - 13 km
Narusawa Ibaraki Japan Village - 14 km
Hitachi Ibaraki Japan City 180000 people 15 km
Mayumi Ibaraki Japan Village - 16 km
Nakane Ibaraki Japan Village - 18 km
Kitanosawa Ibaraki Japan Village - 18 km
Tajirihama Ibaraki Japan Village - 18 km
Tahiko Ibaraki Japan Village - 19 km
Ogitsu Ibaraki Japan Village - 19 km
Satonomiya Ibaraki Japan Village - 20 km
Sugaya Ibaraki Japan Village - 20 km
Mazaka Ibaraki Japan Village - 21 km
Ogushi Ibaraki Japan Village - 21 km
Kawaziri Ibaraki Japan Village - 21 km
Kozura Ibaraki Japan Village - 21 km
Kawajiri Ibaraki Japan Village - 22 km
Shimo-Okado Ibaraki Japan Village - 23 km
Tomobe Ibaraki Japan Village - 23 km
Irishiken Ibaraki Japan Village - 23 km
Kume Ibaraki Japan Village - 23 km
Ota Ibaraki Japan Village - 23 km
Hama Ibaraki Japan Village - 23 km
Natsumi Ibaraki Japan Village - 24 km
Urizura Ibaraki Japan Village - 24 km
Morido Ibaraki Japan Village - 24 km
Uritsura Ibaraki Japan Village - 24 km
Machiya Ibaraki Japan Village - 25 km
Wabuchi Ibaraki Japan Village - 25 km
Iida Ibaraki Japan Village - 25 km
Yamabe Ibaraki Japan Village - 26 km
Nakasai Ibaraki Japan Village - 26 km
Takahara Ibaraki Japan Village - 26 km
Yoshisawa Ibaraki Japan Village - 27 km
Semba Ibaraki Japan Village - 27 km
Suzudaira Ibaraki Japan Village - 27 km
Machida Ibaraki Japan Village - 27 km
Oyagaw Ibaraki Japan Village - 27 km
Kamigama Ibaraki Japan Village - 27 km
Hosoda Ibaraki Japan Village - 28 km
Shinden Ibaraki Japan Village - 28 km
Nagasu Ibaraki Japan Village - 29 km
Tamukai Ibaraki Japan Village - 29 km
Nishitari Ibaraki Japan Village - 29 km
Kami-Edo Ibaraki Japan Village - 29 km
Omiya Ibaraki Japan Village 27000 people 29 km
Koba Ibaraki Japan Village - 29 km
Takane Ibaraki Japan Village - 29 km
Kitakota Ibaraki Japan Village - 29 km
Kamitsubo Ibaraki Japan Village - 30 km
Shimo-Miyagodo Ibaraki Japan Village - 30 km
Yonedaira Ibaraki Japan Village - 30 km
Kitakubo Ibaraki Japan Village - 30 km
Noda Ibaraki Japan Village - 31 km
Yatsu Ibaraki Japan Village - 31 km
Asahi Ibaraki Japan Village - 31 km
Torizone Ibaraki Japan Village - 31 km
Kegano Ibaraki Japan Village - 31 km
Kami-Irino Ibaraki Japan Village - 31 km
Kotsuru Ibaraki Japan Village - 32 km
Ebisawa Ibaraki Japan Village - 32 km
Kanari Ibaraki Japan Village - 32 km
Katsuori Ibaraki Japan Village - 32 km
Ishitsuka Ibaraki Japan Village - 32 km
Takata Ibaraki Japan Village - 32 km
Ono-Yasashi Ibaraki Japan Village - 33 km
Koibuchi Ibaraki Japan Village - 33 km
Hokota Ibaraki Japan Village 28000 people 33 km
Kezuruki-Yashiki Ibaraki Japan Village - 33 km
Tono Ibaraki Japan Village - 33 km
Mito Ibaraki Japan Major city 240000 people 34 km
Sugisaki Ibaraki Japan Village - 34 km
Uchihara Ibaraki Japan Village - 34 km
Yamagata Ibaraki Japan Village - 34 km
Orihashi Ibaraki Japan Village - 34 km
Nakago Ibaraki Japan Village - 34 km
Noso Ibaraki Japan Village - 35 km
Funaki Ibaraki Japan Village - 35 km
Akiba Ibaraki Japan Village - 35 km
Sakur-Amoto Ibaraki Japan Village - 35 km
Syzugoya Ibaraki Japan Village - 35 km
Ambo Ibaraki Japan Village - 35 km
Kami-Takakura Ibaraki Japan Village - 35 km
Wakaguri Ibaraki Japan Village - 36 km
Otake Ibaraki Japan Village - 36 km
Okunoya Ibaraki Japan Village - 36 km
Torihada Ibaraki Japan Village - 36 km
Kita-Tomita Ibaraki Japan Village - 36 km
O-Naka Ibaraki Japan Village - 36 km
Sumiya Ibaraki Japan Village - 36 km
Yawara Ibaraki Japan Village - 36 km
Isohara Ibaraki Japan Village - 36 km
Noguchi Ibaraki Japan Village - 36 km
Ohashi Ibaraki Japan Village - 36 km
Iinuma Ibaraki Japan Village - 36 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 41 km
26 0 67 km
Ryugasaki 2 0 74 km
Otawara 201 0 76 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 76 km
Suzumenomiya 82 0 77 km
Ryugasaki South 2 0 79 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 83 km
Fukushima FKS 372 Civ. Paved Yes 8200 89 km
Chiba-ken 19 0 96 km
Shimofusa 30 Civ. Paved Yes 7300 97 km

Ports

Name LOCODE Country Distance
Hitachi JPHTC Japan 9 km
Onahama JPONA Japan 56 km
Kashima JPKSM Japan 62 km
Choshi JPCHO Japan 81 km

Dams

Reservoir Dam Name River Year Distance
Jajanboike Kozogawa Kozogawa 1985 29 km
Mizunuma Mizunuma Hanazonokawa 1966 43 km
Shitokiko Shitoki Shitokigawa 1983 50 km
Takashibako Takashiba Samekawa 1961 56 km
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 59 km
Bobatako Sengozawa Kitasugawa 1974 84 km
Terayama Terayama Miyakawa 1984 88 km
Higashikoyako Nishiarakawa Nishiarakawa 1967 91 km
Shiobara Shiobara Hokigawa 1978 93 km
Sabigawa Sabigawa Sabigawa 1994 97 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 97 km
Yanakako Wataraseyusuichi Watarasegawa 1989 98 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 10 km
FUKUSHIMA-DAINI JAPAN 4 99 km

More information

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