M 4.5 in Japan on 30 Jan 2015 11:31 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: 35 Km
Lat/Lon: 35.9843 , 140.2421
Event Date: 30 Jan 2015 11:31 UTC
30 Jan 2015 20:31 Local
Exposed Population:
37703540 people within 100km
Source: NEIC
Inserted at: 30 Jan 2015 12:13 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
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
1070658 0 30 Jan 2015 11:31 4.5M, 35km N/A 37.7 million (in 100km) 00:41 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 Wakaguri, Jikkoku, Kihara, Ikku, Edosaki, Arakawa-Oki, Yaida, Ryugaski, Ushiku, Sakihama, and Yokohama.

Radius Population
100 km 38.7 million people
75 km 27.4 million people
50 km 11.1 million people
20 km 870000 people
10 km 260000 people
5 km 27000 people
2 km 1900 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Wakaguri Ibaraki Japan Village - 5 km
Jikkoku Ibaraki Japan Village - 6 km
Kihara Ibaraki Japan Village - 6 km
Ikku Ibaraki Japan Village - 7 km
Edosaki Ibaraki Japan Village 21000 people 8 km
Arakawa-Oki Ibaraki Japan Village - 9 km
Yaida Ibaraki Japan Village - 9 km
Ryugaski Ibaraki Japan Village - 9 km
Ushiku Ibaraki Japan Village 79000 people 10 km
Sakihama Ibaraki Japan Village - 10 km
Oyama Ibaraki Japan Village - 12 km
Hinosawa Ibaraki Japan Village - 13 km
Koda Ibaraki Japan Village - 14 km
Owada Ibaraki Japan Village - 14 km
Aruga Ibaraki Japan Village - 14 km
Fujishiro Ibaraki Japan Village 33000 people 15 km
Kami-Hirooka Ibaraki Japan Village - 15 km
Nakanuki Ibaraki Japan Village - 15 km
Fukawa Ibaraki Japan Village - 16 km
Ryugasaki Chiba Japan Village 85000 people 16 km
Yatabe Ibaraki Japan Village - 16 km
Namegawa Chiba Japan Village - 16 km
Sakura Ibaraki Japan Village - 16 km
Kashiwazaki Ibaraki Japan Village - 16 km
Iioka Ibaraki Japan Village - 17 km
Shishikura Ibaraki Japan Village - 17 km
Kansaki Chiba Japan Village - 17 km
Fujisawa Ibaraki Japan Village - 18 km
Hongo Ibaraki Japan Village - 20 km
Inoue Ibaraki Japan Village - 20 km
Tsuchida Ibaraki Japan Village - 20 km
Sawabe Ibaraki Japan Village - 20 km
Obari Ibaraki Japan Village - 20 km
Kubo Ibaraki Japan Village - 20 km
Omori Chiba Japan Village - 20 km
Oshita Ibaraki Japan Village - 21 km
Kai-Tamari Ibaraki Japan Village - 21 km
Kami-Naganuma Ibaraki Japan Village - 21 km
Aso Ibaraki Japan Village - 21 km
Ozone Ibaraki Japan Village - 22 km
Hangu Ibaraki Japan Village - 22 km
Oda Ibaraki Japan Village - 22 km
Shimana Ibaraki Japan Village - 22 km
Abiko Chiba Japan City 130000 people 22 km
Itako Ibaraki Japan Village 25000 people 22 km
Naka-Shizuku Ibaraki Japan Village - 23 km
Ishioka Ibaraki Japan Village 52000 people 23 km
Tamatsukuri Ibaraki Japan Village - 23 km
Ogawa Ibaraki Japan Village - 23 km
Ino Chiba Japan Village - 24 km
Chiba-nyutaun Chiba Japan Village - 24 km
Owana Ibaraki Japan Village - 24 km
Obata Ibaraki Japan Village - 24 km
Kamigo Ibaraki Japan Village - 25 km
Busshoji Ibaraki Japan Village - 25 km
Miyata Ibaraki Japan Village - 25 km
Hojo Ibaraki Japan Village - 25 km
Goka Ibaraki Japan Village - 25 km
Aonuma Ibaraki Japan Village - 25 km
Tonouchi Ibaraki Japan Village - 26 km
Kamiyama Ibaraki Japan Village - 26 km
Kawamata Ibaraki Japan Village - 26 km
Yoshinuma Ibaraki Japan Village - 27 km
Takehara Ibaraki Japan Village - 27 km
Nekoya Ibaraki Japan Village - 27 km
Kofunatsu Ibaraki Japan Village - 27 km
Sanga Ibaraki Japan Village - 27 km
Yamada Ibaraki Japan Village - 27 km
Obata Ibaraki Japan Village - 28 km
Tsukuba Ibaraki Japan City 180000 people 28 km
Idako Ibaraki Japan Village - 28 km
Ushibori Ibaraki Japan Village - 28 km
Negoya Ibaraki Japan Village - 28 km
Yoshikawa Ibaraki Japan Village - 29 km
Kakioka Ibaraki Japan Village - 29 km
Horage Ibaraki Japan Village - 29 km
Sakura Chiba Japan City 180000 people 29 km
Hatori Ibaraki Japan Village - 30 km
Katakura Ibaraki Japan Village - 30 km
Ishige Ibaraki Japan Village 25000 people 30 km
Narita Chiba Japan City 100000 people 30 km
Takata Ibaraki Japan Village - 30 km
Torinosu Ibaraki Japan Village - 30 km
Fuda Ibaraki Japan Village - 30 km
Momiji Ibaraki Japan Village - 30 km
Kami-Oshima Ibaraki Japan Village - 31 km
Takasai Ibaraki Japan Village - 31 km
Zodo Ibaraki Japan Village - 31 km
Uwaso Ibaraki Japan Village - 31 km
Ishiyatsudo Ibaraki Japan Village - 31 km
Narage Ibaraki Japan Village - 32 km
Iina Ibaraki Japan Village - 32 km
Taiyo Ibaraki Japan Village - 32 km
Matate Ibaraki Japan Village - 32 km
Kamagaya Chiba Japan City 110000 people 32 km
Kawaraya Ibaraki Japan Village - 32 km
Oyama Ibaraki Japan Village - 33 km
Tetsutsumi Ibaraki Japan Village - 33 km
Mazunochi Ibaraki Japan Village - 33 km
Kutsukake Ibaraki Japan Village - 33 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
26 0 7 km
Ryugasaki 2 0 8 km
Ryugasaki South 2 0 13 km
Hyakuri 32 Mil. Paved Yes 8800 27 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 28 km
Shimofusa 30 Civ. Paved Yes 7300 29 km
Shimoshizu 30 0 37 km
Chiba-ken 19 0 39 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 63 km
Suzumenomiya 82 0 64 km
Honda 12 0 65 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 68 km
Kisarazu 3 Mil. Paved Yes 6000 71 km
Chofu 41 Civ. Paved No 3200 73 km
Onishi 20 0 74 km
Iruma 91 Mil. Paved Yes 6500 77 km
Yokohama YOK unknown 0 80 km
Shimo Kolzumi 30 0 82 km
Tachikawa 95 0 82 km
Yokota AFB OKO 139 Mil. Paved Yes 11000 85 km
Atsugi NJA 62 Mil. Paved Yes 7900 93 km
Katsner AAF 109 Civ. Paved No 1900 93 km
Otawara 201 0 99 km

Ports

Name LOCODE Country Distance
Katunan Ko Japan 42 km
Kashima JPKSM Japan 42 km
Anegasaki JPANE Japan 44 km
Chiba JPCHB Japan 44 km
Goi JPGOI Japan 52 km
Tokyo JPTYO Japan 53 km
Ogasawara JPOGA Japan 53 km
Choshi JPCHO Japan 60 km
Hitachi JPHTC Japan 67 km
Kawasaki JPKWS Japan 67 km
Kisarazu JPKZU Japan 72 km
Yokohama JPYOK Japan 80 km
Neghisi JPNGI Japan 85 km
Yokosuka JPYOS Japan 94 km
Katsuura Ko Japan 94 km
Kurihama JPKRH Japan 99 km

Dams

Reservoir Dam Name River Year Distance
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 24 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 50 km
Jajanboike Kozogawa Kozogawa 1985 50 km
Yamakura Yamakura Yamakuragawa 1964 56 km
Yanakako Wataraseyusuichi Watarasegawa 1989 56 km
Takatakiko Takataki Yorogawa 1990 70 km
Tamako Murayamashimo Tamagawa 2008 77 km
Sayamako Yamaguchi Tamagawa 2002 78 km
Tamako Murayamakami Tamagawa 1924 78 km
Kori Kori Korigawa 1972 82 km
Miyazawako Miyazawatameike Koazegawa 1941 83 km
Kameyamako Kameyama Obitsugawa 1980 85 km
Naguriko Arima Arimagawa 1985 97 km
Tsukuiko Shiroyama Sagamigawa 1964 97 km
Kusakiko Kusaki Watarasegawa 1976 100 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 63 km

More information

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