M 4.6 in Japan on 18 Mar 2014 17:24 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: 4.6M
Depth: 62.73 Km
Lat/Lon: 35.7362 , 140.1568
Event Date: 18 Mar 2014 17:24 UTC
19 Mar 2014 02:24 Local
Exposed Population:
38310288 people within 100km
Source: NEIC
Inserted at: 19 Mar 2014 15:39 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
1044141 0 18 Mar 2014 17:24 4.5M, 61.23km N/A 38.6 million (in 100km) 01:26 NEIC
1044213 0 18 Mar 2014 17:24 4.6M, 62.73km N/A 38.3 million (in 100km) 22:14 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 Chiba-nyutaun, Sakura, Omori, Kamagaya, Fukawa, Ryugasaki, Chiba, Funabashi, Abiko, Ryugaski, and Saitama.

Radius Population
100 km 39.3 million people
75 km 33.8 million people
50 km 18.6 million people
20 km 3.1 million people
10 km 710000 people
5 km 200000 people
2 km 31000 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Chiba-nyutaun Chiba Japan Village - 5 km
Sakura Chiba Japan City 180000 people 7 km
Omori Chiba Japan Village - 11 km
Kamagaya Chiba Japan City 110000 people 13 km
Fukawa Ibaraki Japan Village - 14 km
Ryugasaki Chiba Japan Village 85000 people 15 km
Chiba Chiba Japan Major city 920000 people 15 km
Funabashi Chiba Japan City 560000 people 16 km
Abiko Chiba Japan City 130000 people 19 km
Ryugaski Ibaraki Japan Village - 19 km
Narita Chiba Japan City 100000 people 20 km
Ichikawa Chiba Japan City 460000 people 21 km
Namegawa Chiba Japan Village - 22 km
Matsudo Chiba Japan City 460000 people 22 km
Fujishiro Ibaraki Japan Village 33000 people 23 km
Goi Chiba Japan Village - 23 km
Ino Chiba Japan Village - 24 km
Ushiku Ibaraki Japan Village 79000 people 26 km
Naruto Chiba Japan City 22000 people 27 km
Oami Chiba Japan Village - 28 km
Edosaki Ibaraki Japan Village 21000 people 28 km
Tako Chiba Japan City - 28 km
Togane Chiba Japan Village 55000 people 29 km
Obari Ibaraki Japan Village - 29 km
Kansaki Chiba Japan Village - 29 km
Jikkoku Ibaraki Japan Village - 29 km
Wakaguri Ibaraki Japan Village - 30 km
Yokoshiba Chiba Japan Village - 31 km
Tokyo Tokyo Japan Capital 8.1 million people 31 km
Koda Ibaraki Japan Village - 31 km
Hinosawa Ibaraki Japan Village - 32 km
Anegasaki Chiba Japan Village - 32 km
Ikku Ibaraki Japan Village - 32 km
Kami-Naganuma Ibaraki Japan Village - 33 km
Yoshikawa Saitama Japan Village 60000 people 33 km
Arakawa-Oki Ibaraki Japan Village - 33 km
Yatabe Ibaraki Japan Village - 33 km
Kihara Ibaraki Japan Village - 34 km
Hasunuma Chiba Japan Village - 34 km
Noda Chiba Japan City 120000 people 35 km
Katakai Chiba Japan City - 35 km
Yaida Ibaraki Japan Village - 35 km
Oyama Ibaraki Japan Village - 36 km
Mobara Chiba Japan City 96000 people 37 km
Kami-Hirooka Ibaraki Japan Village - 37 km
Ushiku Chiba Japan Village - 38 km
Sakihama Ibaraki Japan Village - 38 km
Shimana Ibaraki Japan Village - 39 km
Chonan Chiba Japan Village - 39 km
Oyama Ibaraki Japan Village - 40 km
Goka Ibaraki Japan Village - 41 km
Itako Ibaraki Japan Village 25000 people 41 km
Aruga Ibaraki Japan Village - 41 km
Sakura Ibaraki Japan Village - 41 km
Kami-aoki Saitama Japan Village - 41 km
Owada Ibaraki Japan Village - 42 km
Aso Ibaraki Japan Village - 42 km
Idako Ibaraki Japan Village - 42 km
Golanda Tokyo Japan Village - 42 km
Nakanuki Ibaraki Japan Village - 43 km
Kamigo Ibaraki Japan Village - 43 km
Matate Ibaraki Japan Village - 43 km
Omigawa Chiba Japan City 25000 people 43 km
Fujisawa Ibaraki Japan Village - 43 km
Oshita Ibaraki Japan Village - 43 km
Kisarazu Chiba Japan City 120000 people 44 km
Inoue Ibaraki Japan Village - 44 km
Kubo Ibaraki Japan Village - 44 km
Kashiwazaki Ibaraki Japan Village - 44 km
Ushibori Ibaraki Japan Village - 44 km
Hoshubana Chiba Japan Village - 44 km
Hojubana Saitama Japan Village - 45 km
Ichinomiya Chiba Japan Village - 45 km
Ozone Ibaraki Japan Village - 45 km
Asahi Yokaichiba Chiba Japan Village - 45 km
Iioka Ibaraki Japan Village - 45 km
Shishikura Ibaraki Japan Village - 45 km
Sawabe Ibaraki Japan Village - 46 km
Asagaya Tokyo Japan Village - 46 km
Ishige Ibaraki Japan Village 25000 people 46 km
Nekoya Ibaraki Japan Village - 46 km
Aonuma Ibaraki Japan Village - 46 km
Oda Ibaraki Japan Village - 46 km
Hongo Ibaraki Japan Village - 47 km
Yoshinuma Ibaraki Japan Village - 47 km
Kawasaki Kanagawa Japan Major city 1.3 million people 47 km
Kutsukake Ibaraki Japan Village - 47 km
Saheita-Shinden Ibaraki Japan Village - 48 km
Tsuchida Ibaraki Japan Village - 48 km
Obata Ibaraki Japan Village - 48 km
Negoya Ibaraki Japan Village - 48 km
Oigo Ibaraki Japan Village - 48 km
Hojo Ibaraki Japan Village - 49 km
Obunatsu Ibaraki Japan Village - 49 km
Kai-Tamari Ibaraki Japan Village - 49 km
Zodo Ibaraki Japan Village - 50 km
Hangu Ibaraki Japan Village - 50 km
Yamada Ibaraki Japan Village - 50 km
Kururi Chiba Japan Village - 50 km
Kyuchu Ibaraki Japan Village - 50 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
Shimoshizu 30 0 9 km
Shimofusa 30 Civ. Paved Yes 7300 15 km
Ryugasaki South 2 0 17 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 21 km
Ryugasaki 2 0 21 km
26 0 34 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 40 km
Kisarazu 3 Mil. Paved Yes 6000 43 km
Chiba-ken 19 0 44 km
Hyakuri 32 Mil. Paved Yes 8800 55 km
Yokohama YOK unknown 0 56 km
Chofu 41 Civ. Paved No 3200 58 km
Honda 12 0 63 km
Iruma 91 Mil. Paved Yes 6500 69 km
Tachikawa 95 0 69 km
Atsugi NJA 62 Mil. Paved Yes 7900 71 km
Yokota AFB OKO 139 Mil. Paved Yes 11000 73 km
Katsner AAF 109 Civ. Paved No 1900 73 km
Onishi 20 0 82 km
Suzumenomiya 82 0 86 km
Tateyama 3 0 88 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 90 km
Shimo Kolzumi 30 0 91 km

Ports

Name LOCODE Country Distance
Anegasaki JPANE Japan 15 km
Chiba JPCHB Japan 16 km
Katunan Ko Japan 17 km
Goi JPGOI Japan 23 km
Ogasawara JPOGA Japan 34 km
Tokyo JPTYO Japan 36 km
Kawasaki JPKWS Japan 43 km
Kisarazu JPKZU Japan 44 km
Kashima JPKSM Japan 52 km
Yokohama JPYOK Japan 56 km
Neghisi JPNGI Japan 60 km
Choshi JPCHO Japan 61 km
Yokosuka JPYOS Japan 68 km
Katsuura Ko Japan 68 km
Kurihama JPKRH Japan 72 km
Tateyama JPTTY Japan 87 km
Hitachi JPHTC Japan 94 km

Dams

Reservoir Dam Name River Year Distance
Yamakura Yamakura Yamakuragawa 1964 28 km
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 40 km
Takatakiko Takataki Yorogawa 1990 42 km
Kori Kori Korigawa 1972 54 km
Kameyamako Kameyama Obitsugawa 1980 57 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 58 km
Tamako Murayamashimo Tamagawa 2008 65 km
Tamako Murayamakami Tamagawa 1924 67 km
Yanakako Wataraseyusuichi Watarasegawa 1989 67 km
Sayamako Yamaguchi Tamagawa 2002 67 km
Sakuma Sakuma Okuzuregawa 1990 72 km
Miyazawako Miyazawatameike Koazegawa 1941 76 km
Jajanboike Kozogawa Kozogawa 1985 79 km
Tsukuiko Shiroyama Sagamigawa 1964 81 km
Miyagaseko Miyagase Nakatsugawa 2001 85 km
Sagamiko Sagami Sagamigawa 1947 88 km
Naguriko Arima Arimagawa 1985 90 km
Okutamako Ogohchi Tamagawa 1957 100 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 90 km

More information

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