M 4.6 in Japan on 04 May 2014 20:02 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: 59.62 Km
Lat/Lon: 36.094 , 139.8065
Event Date: 04 May 2014 20:02 UTC
05 May 2014 05:02 Local
Exposed Population:
40360568 people within 100km
Source: NEIC
Inserted at: 04 May 2014 20:20 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
1048843 0 04 May 2014 20:02 4.6M, 59.62km N/A 40.4 million (in 100km) 00:17 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 Sakai, Sekiyado, Tsukazaki, Oigo, Doyobu, Toshima, Numakage, Hoshubana, Hojubana, Hiratsuka, and Maebashi.

Radius Population
100 km 41.3 million people
75 km 34.8 million people
50 km 20.1 million people
20 km 1.5 million people
10 km 240000 people
5 km 38000 people
2 km 6600 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Sakai Ibaraki Japan Village 26000 people 1 km
Sekiyado Chiba Japan Village 30000 people 2 km
Tsukazaki Ibaraki Japan Village - 5 km
Oigo Ibaraki Japan Village - 5 km
Doyobu Ibaraki Japan Village - 7 km
Toshima Saitama Japan Village - 7 km
Numakage Ibaraki Japan Village - 7 km
Hoshubana Chiba Japan Village - 7 km
Hojubana Saitama Japan Village - 8 km
Hiratsuka Ibaraki Japan Village - 9 km
Onna Ibaraki Japan Village - 9 km
Matate Ibaraki Japan Village - 9 km
Nire Ibaraki Japan Village - 10 km
Kutsukake Ibaraki Japan Village - 10 km
Saheita-Shinden Ibaraki Japan Village - 10 km
Kurihashi Saitama Japan Village 28000 people 10 km
Oyama Ibaraki Japan Village - 11 km
Kuki Saitama Japan Village 72000 people 12 km
Morokawa Ibaraki Japan Village - 12 km
Narita-Shinden Ibaraki Japan Village - 13 km
Kozutsumi Ibaraki Japan Village - 13 km
Suginoya Ibaraki Japan Village - 13 km
Ishige Ibaraki Japan Village 25000 people 14 km
Kami-Wada Ibaraki Japan Village - 14 km
Koga Ibaraki Japan City 57000 people 14 km
Shinjuku-Shinden Ibaraki Japan Village - 15 km
Kita-Hirano Saitama Japan Village - 15 km
Honden Saitama Japan Village - 15 km
Hinokuchi Saitama Japan Village - 15 km
Uruido Saitama Japan Village - 15 km
Nogi Tochigi Japan Village 27000 people 16 km
Zodo Ibaraki Japan Village - 16 km
Goka Ibaraki Japan Village - 16 km
Minami-Izumi Tochigi Japan Village - 17 km
Washimiya Saitama Japan Village 34000 people 17 km
Sairaoka Saitama Japan Village - 17 km
Takei Ibaraki Japan Village - 17 km
Shimotsuma Ibaraki Japan Village 37000 people 17 km
Noda Chiba Japan City 120000 people 17 km
Konosu Saitama Japan Village 82000 people 18 km
Omuro Saitama Japan Village - 18 km
Kurokoma Ibaraki Japan Village - 18 km
Shobu Saitama Japan Village - 19 km
Yagyu Saitama Japan Village - 19 km
Kamigo Ibaraki Japan Village - 19 km
Shimana Ibaraki Japan Village - 19 km
Kami-Namai Tochigi Japan Village - 20 km
Emura Ibaraki Japan Village - 20 km
Mamada Tochigi Japan Village - 20 km
Sekimoto Ibaraki Japan Village - 20 km
Yoshinuma Ibaraki Japan Village - 20 km
Sakunoya Ibaraki Japan Village - 20 km
Mitagaya Saitama Japan Village - 21 km
Kishai Saitama Japan Village - 21 km
Kami-Naganuma Ibaraki Japan Village - 21 km
Amagaya Tochigi Japan Village - 21 km
Kobari-Shinjika Saitama Japan Village - 21 km
Takasai Ibaraki Japan Village - 22 km
Kanokubo Ibaraki Japan Village - 22 km
Wakayagi Ibaraki Japan Village - 22 km
Itakura Gunma Japan Village - 22 km
Togawa Saitama Japan Village - 22 km
Hirunuma Tochigi Japan Village - 23 km
Fujioka Tochigi Japan Village 18000 people 23 km
Yoshikawa Saitama Japan Village 60000 people 23 km
Kurogo Ibaraki Japan Village - 23 km
Obari Ibaraki Japan Village - 24 km
Arai Saitama Japan Village - 24 km
Sukage Saitama Japan Village - 24 km
Oyama Tochigi Japan City 150000 people 24 km
Koike Tochigi Japan Village - 25 km
Mizukake Tochigi Japan Village - 25 km
Horage Ibaraki Japan Village - 25 km
Shimo-Nodono Ibaraki Japan Village - 25 km
Higashi-Hozui Ibaraki Japan Village - 25 km
Yatabe Ibaraki Japan Village - 25 km
Sunayama Saitama Japan Village - 25 km
Nishioka Gunma Japan Village - 25 km
Omiya Saitama Japan City 440000 people 26 km
Momiya Gunma Japan Village - 26 km
Minami-Obayashi Tochigi Japan Village - 26 km
Ozone Ibaraki Japan Village - 26 km
Ichiba Saitama Japan Village - 27 km
Okizawa Tochigi Japan Village - 27 km
Akoda Gunma Japan Village - 27 km
Goshonomiya Tochigi Japan Village - 27 km
Hojo Ibaraki Japan Village - 27 km
Ebigashima Ibaraki Japan Village - 27 km
Makado Tochigi Japan Village - 27 km
Kami-Hirooka Ibaraki Japan Village - 28 km
Kami-Oshima Ibaraki Japan Village - 28 km
Hinosawa Ibaraki Japan Village - 28 km
Shimodate Ibaraki Japan City 63000 people 28 km
Tomida Tochigi Japan Village - 28 km
Shizuka Tochigi Japan Village - 28 km
Otake Saitama Japan Village - 28 km
Oda Ibaraki Japan Village - 29 km
Kami-Shingo Saitama Japan Village - 29 km
Ozanuki Gunma Japan Village - 29 km
Saitama Saitama Japan Major city 1.1 million people 29 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
Chiba-ken 19 0 9 km
Honda 12 0 29 km
Onishi 20 0 33 km
26 0 35 km
Shimofusa 30 Civ. Paved Yes 7300 38 km
Shimo Kolzumi 30 0 42 km
Suzumenomiya 82 0 42 km
Ryugasaki 2 0 44 km
Iruma 91 Mil. Paved Yes 6500 45 km
Ryugasaki South 2 0 46 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 47 km
Chofu 41 Civ. Paved No 3200 53 km
Hyakuri 32 Mil. Paved Yes 8800 56 km
Yokota AFB OKO 139 Mil. Paved Yes 11000 56 km
Tachikawa 95 0 57 km
Shimoshizu 30 0 58 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 60 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 64 km
Yokohama YOK unknown 0 71 km
Katsner AAF 109 Civ. Paved No 1900 74 km
Kisarazu 3 Mil. Paved Yes 6000 78 km
Atsugi NJA 62 Mil. Paved Yes 7900 78 km
Otawara 201 0 88 km

Ports

Name LOCODE Country Distance
Tokyo JPTYO Japan 42 km
Ogasawara JPOGA Japan 46 km
Katunan Ko Japan 49 km
Anegasaki JPANE Japan 60 km
Chiba JPCHB Japan 61 km
Kawasaki JPKWS Japan 63 km
Goi JPGOI Japan 68 km
Yokohama JPYOK Japan 73 km
Neghisi JPNGI Japan 79 km
Kisarazu JPKZU Japan 79 km
Kashima JPKSM Japan 83 km
Hitachi JPHTC Japan 86 km
Yokosuka JPYOS Japan 91 km
Kurihama JPKRH Japan 99 km
Choshi JPCHO Japan 100 km

Dams

Reservoir Dam Name River Year Distance
Miyukiko Gongendochosetsuchi Nakagawa 1991 8 km
Yanakako Wataraseyusuichi Watarasegawa 1989 17 km
Tamako Murayamashimo Tamagawa 2008 49 km
Miyazawako Miyazawatameike Koazegawa 1941 49 km
Sayamako Yamaguchi Tamagawa 2002 50 km
Tamako Murayamakami Tamagawa 1924 51 km
Naguriko Arima Arimagawa 1985 62 km
Kusakiko Kusaki Watarasegawa 1976 63 km
Jajanboike Kozogawa Kozogawa 1985 64 km
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 65 km
Kannako Shimokubo Kannagawa 1968 71 km
Yamakura Yamakura Yamakuragawa 1964 73 km
Tsukuiko Shiroyama Sagamigawa 1964 73 km
Okutamako Ogohchi Tamagawa 1957 76 km
Sagamiko Sagami Sagamigawa 1947 77 km
Chuzenjiko Chuzenji Daiyagawa 1998 77 km
Miyagaseko Miyagase Nakatsugawa 2001 79 km
Higashikoyako Nishiarakawa Nishiarakawa 1967 81 km
Makabechoseichi Makabe Tonegawa 1928 81 km
Imaichichoseichi Imaichi Togawa 1988 83 km
Sonoharako Sonohara Katashinagawa 1965 83 km
Chichibuko Futase Arakawa 1961 83 km
Terayama Terayama Miyakawa 1984 84 km
Narusawako Narusawa Harunashirakawa 1950 84 km
Oshioko Oshio Nanmokugawa 1968 85 km
Kuriyamachoseichi Kuriyama Nebesawagawa 1988 85 km
Ono Ono Yatagawa 1914 86 km
Takatakiko Takataki Yorogawa 1990 87 km
Kurobe Kurobe Kinugawa 1912 88 km
Kori Kori Korigawa 1972 89 km
Nyuko Nyu Nyukawa 1952 90 km
Yashioko Kawaji Kunugawa 1983 90 km
Ikariko Ikari Ojikagawa 1956 90 km
Kawamatako Kawamata Kinugawa 1966 91 km
Marunumako Marunuma Otakigawa 1931 91 km
Shiobara Shiobara Hokigawa 1978 96 km
Hiroseko Hirose Fuefukigawa 1974 98 km
Kameyamako Kameyama Obitsugawa 1980 99 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 83 km

More information

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