M 4.7 in Japan on 07 Dec 2015 16:22 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: 4.7M
Depth: 50.5 Km
Lat/Lon: 36.1494 , 140.7391
Event Date: 07 Dec 2015 16:22 UTC
08 Dec 2015 01:22 Local
Exposed Population:
15048170 people within 100km
Source: NEIC
Inserted at: 07 Dec 2015 17:57 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.1 0.1
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
1110402 0.1 07 Dec 2015 16:22 4.7M, 50.5km N/A 15 million (in 100km) 01:34 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 Muyokama, Kyochikama, Dainigorisawa, Otake, Hamatsuga, Aotsuka, Katsuori, Taiyo, Koya, Hokota, and Tokyo.

Radius Population
100 km 15.5 million people
75 km 4.2 million people
50 km 1.7 million people
20 km 44000 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
Muyokama Ibaraki Japan Village - 13 km
Kyochikama Ibaraki Japan Village - 13 km
Dainigorisawa Ibaraki Japan Village - 14 km
Otake Ibaraki Japan Village - 15 km
Hamatsuga Ibaraki Japan Village - 15 km
Aotsuka Ibaraki Japan Village - 15 km
Katsuori Ibaraki Japan Village - 16 km
Taiyo Ibaraki Japan Village - 17 km
Koya Ibaraki Japan Village - 17 km
Hokota Ibaraki Japan Village 28000 people 17 km
Noda Ibaraki Japan Village - 17 km
Omi Ibaraki Japan Village - 17 km
Fuda Ibaraki Japan Village - 18 km
Narage Ibaraki Japan Village - 18 km
Kamigama Ibaraki Japan Village - 19 km
Takata Ibaraki Japan Village - 20 km
Ambo Ibaraki Japan Village - 20 km
Yoshikawa Ibaraki Japan Village - 20 km
Iina Ibaraki Japan Village - 21 km
Yamada Ibaraki Japan Village - 21 km
Asahi Ibaraki Japan Village - 21 km
Kofunatsu Ibaraki Japan Village - 22 km
Negoya Ibaraki Japan Village - 22 km
Natsumi Ibaraki Japan Village - 22 km
Kyuchu Ibaraki Japan Village - 23 km
Kashima Ibaraki Japan Village 65000 people 23 km
Oyagaw Ibaraki Japan Village - 23 km
Obunatsu Ibaraki Japan Village - 23 km
Nekoya Ibaraki Japan Village - 24 km
Aonuma Ibaraki Japan Village - 24 km
Nagasu Ibaraki Japan Village - 24 km
Obata Ibaraki Japan Village - 24 km
Ishiyatsudo Ibaraki Japan Village - 25 km
Torinosu Ibaraki Japan Village - 25 km
Funaki Ibaraki Japan Village - 25 km
Owana Ibaraki Japan Village - 26 km
Ushibori Ibaraki Japan Village - 26 km
Kamiyama Ibaraki Japan Village - 27 km
Ogushi Ibaraki Japan Village - 27 km
Morido Ibaraki Japan Village - 27 km
Nakaminato Ibaraki Japan Village 31000 people 28 km
Oshita Ibaraki Japan Village - 28 km
Ebisawa Ibaraki Japan Village - 28 km
Aso Ibaraki Japan Village - 28 km
Kubo Ibaraki Japan Village - 28 km
Inoue Ibaraki Japan Village - 29 km
Itako Ibaraki Japan Village 25000 people 29 km
Momiji Ibaraki Japan Village - 29 km
Idako Ibaraki Japan Village - 29 km
Nakane Ibaraki Japan Village - 30 km
Okunoya Ibaraki Japan Village - 30 km
Tonouchi Ibaraki Japan Village - 30 km
Torihada Ibaraki Japan Village - 30 km
Akiba Ibaraki Japan Village - 31 km
Hangu Ibaraki Japan Village - 32 km
Yoshisawa Ibaraki Japan Village - 32 km
Kotsuru Ibaraki Japan Village - 32 km
Nagasuna Ibaraki Japan Village - 33 km
Tamatsukuri Ibaraki Japan Village - 34 km
Ogawa Ibaraki Japan Village - 34 km
Omigawa Chiba Japan City 25000 people 35 km
Semba Ibaraki Japan Village - 35 km
Kashiwazaki Ibaraki Japan Village - 35 km
Okunoya Ibaraki Japan Village - 35 km
Aruga Ibaraki Japan Village - 35 km
Miyata Ibaraki Japan Village - 36 km
Shirane Ibaraki Japan Village - 36 km
Katakura Ibaraki Japan Village - 36 km
Sanga Ibaraki Japan Village - 36 km
Tahiko Ibaraki Japan Village - 36 km
Noso Ibaraki Japan Village - 36 km
Mazunochi Ibaraki Japan Village - 36 km
Iinuma Ibaraki Japan Village - 37 km
Kai-Tamari Ibaraki Japan Village - 37 km
Oyama Ibaraki Japan Village - 37 km
Shishikura Ibaraki Japan Village - 37 km
Takata Ibaraki Japan Village - 37 km
Owada Ibaraki Japan Village - 37 km
Toyooka Ibaraki Japan Village - 38 km
Takehara Ibaraki Japan Village - 39 km
Koda Ibaraki Japan Village - 39 km
Yatabe Ibaraki Japan Village - 39 km
Iioka Ibaraki Japan Village - 39 km
Yaida Ibaraki Japan Village - 39 km
Koibuchi Ibaraki Japan Village - 40 km
Mito Ibaraki Japan Major city 240000 people 40 km
Kuji Ibaraki Japan City 35000 people 40 km
Sugaya Ibaraki Japan Village - 40 km
Ago Ibaraki Japan Village - 40 km
Tetsutsumi Ibaraki Japan Village - 40 km
Iida Ibaraki Japan Village - 40 km
Kansaki Chiba Japan Village - 41 km
Sakihama Ibaraki Japan Village - 41 km
Ishioka Ibaraki Japan Village 52000 people 41 km
Sumiyoshi Ibaraki Japan Village - 42 km
Mizuki Ibaraki Japan Village - 42 km
Hatori Ibaraki Japan Village - 42 km
Uchihara Ibaraki Japan Village - 42 km
Kihara Ibaraki Japan Village - 42 km
Sugisaki Ibaraki Japan Village - 43 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 29 km
26 0 51 km
Ryugasaki 2 0 52 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 53 km
Ryugasaki South 2 0 55 km
Shimoshizu 30 0 76 km
Shimofusa 30 Civ. Paved Yes 7300 76 km
Chiba-ken 19 0 85 km
Suzumenomiya 82 0 87 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 88 km

Ports

Name LOCODE Country Distance
Kashima JPKSM Japan 28 km
Hitachi JPHTC Japan 40 km
Choshi JPCHO Japan 47 km
Chiba JPCHB Japan 83 km
Anegasaki JPANE Japan 83 km
Katunan Ko Japan 86 km
Onahama JPONA Japan 89 km
Goi JPGOI Japan 89 km
Ogasawara JPOGA Japan 100 km

Dams

Reservoir Dam Name River Year Distance
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 29 km
Jajanboike Kozogawa Kozogawa 1985 43 km
Mizunuma Mizunuma Hanazonokawa 1966 78 km
Shitokiko Shitoki Shitokigawa 1983 84 km
Takashibako Takashiba Samekawa 1961 90 km
Yamakura Yamakura Yamakuragawa 1964 92 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 92 km
Yanakako Wataraseyusuichi Watarasegawa 1989 96 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 37 km

More information

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