M 4.6 in Japan on 14 Sep 2017 00:27 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: 48.83 Km
Lat/Lon: 35.7719 , 139.6152
Event Date: 14 Sep 2017 00:27 UTC
14 Sep 2017 09:27 Local
Exposed Population:
40190000 people within 100km
Source: NEIC us2000am0x
Inserted at: 14 Sep 2017 00:57 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.2 0.2
us2000am0x Scaled population (vector) 8.17  
  C1 earthquake 0.73  
  C2 earthquake -0.22  
  Country Vulnerability -0.71  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1180563 0.2 14 Sep 2017 00:27 4.6M, 48.83km N/A 40.2 million (in 100km) 00:29 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 Katayama, Asagaya, Kami-aoki, Tsuruma, Kodaira, Higashi-Murayama, Kokubunai, Chofu, Omiya, Ochikawa, and Maebashi.

Radius Population
100 km 40.2 million people
75 km 36.4 million people
50 km 29.8 million people
20 km 10.6 million people
10 km 3.1 million people
5 km 750000 people
2 km 120000 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Katayama Saitama Japan Village - 5 km
Asagaya Tokyo Japan Village - 8 km
Kami-aoki Saitama Japan Village - 11 km
Tsuruma Saitama Japan Village - 12 km
Kodaira Tokyo Japan City 190000 people 12 km
Higashi-Murayama Tokyo Japan Village - 13 km
Kokubunai Tokyo Japan Village - 14 km
Chofu Tokyo Japan City 200000 people 15 km
Omiya Saitama Japan City 440000 people 16 km
Ochikawa Tokyo Japan Village - 19 km
Golanda Tokyo Japan Village - 19 km
Tachikawa Tokyo Japan City 170000 people 19 km
Hirakata Saitama Japan Village - 20 km
Tsotuma K Tokyo Japan Village - 20 km
Kawagoe Saitama Japan City 330000 people 20 km
Takahate Tokyo Japan Village - 21 km
Renkoji Tokyo Japan Village - 22 km
Tokyo Tokyo Japan Capital 8.1 million people 22 km
Irumagawa Saitama Japan Village - 22 km
Sayama (Irumagawa) Saitama Japan Village - 22 km
Bessho Kanagawa Japan Village - 22 km
Hikago Kanagawa Japan Village - 23 km
Nihongi Saitama Japan Village - 23 km
Yoshikawa Saitama Japan Village 60000 people 24 km
Hakonegasaki Tokyo Japan Village - 24 km
Okura Tokyo Japan Village - 25 km
Hirayama Tokyo Japan Village - 25 km
Matsugi Tokyo Japan Village - 26 km
Kanioshioacho Kanagawa Japan Village - 26 km
Nozuta Tokyo Japan Village - 27 km
Matsudo Chiba Japan City 460000 people 27 km
Kobari-Shinjika Saitama Japan Village - 27 km
Namigi Tokyo Japan Village - 27 km
Shimo-Yabe Tokyo Japan Village - 28 km
Kawasaki Kanagawa Japan Major city 1.3 million people 28 km
Hanno Saitama Japan City 82000 people 28 km
Uruido Saitama Japan Village - 28 km
Ouatake Tokyo Japan Village - 28 km
Komagawa Saitama Japan Village - 28 km
Ichikawa Chiba Japan City 460000 people 28 km
Sakado Saitama Japan City 96000 people 29 km
Hachioji Tokyo Japan City 540000 people 29 km
Sairaoka Saitama Japan Village - 29 km
Numa Tokyo Japan Village - 29 km
Fukizua Shinden Saitama Japan Village - 30 km
Noda Chiba Japan City 120000 people 30 km
Fuchinobe Kanagawa Japan Village - 30 km
Hinokuchi Saitama Japan Village - 30 km
Kuoogayato Tokyo Japan Village - 31 km
Sagami Ono Kanagawa Japan Village - 31 km
Kako Saitama Japan Village - 31 km
Yokodawa Tokyo Japan Village - 31 km
Kubo Saitama Japan Village - 32 km
Yotsuya Tokyo Japan Village - 32 km
Furukari Saitama Japan Village - 32 km
Koyama Saitama Japan Village - 33 km
Owada Saitama Japan Village - 33 km
Hojubana Saitama Japan Village - 33 km
Shobu Saitama Japan Village - 33 km
Konosu Saitama Japan Village 82000 people 33 km
Jigoii Tokyo Japan Village - 33 km
Ome Tokyo Japan Village - 34 km
Kuki Saitama Japan Village 72000 people 34 km
Toshima Saitama Japan Village - 34 km
Kawaranoshuku Tokyo Japan Village - 34 km
Yokohama Kanagawa Japan Major city 3.6 million people 34 km
Funabashi Chiba Japan City 560000 people 34 km
Yamanaka Kanagawa Japan Village - 34 km
Moro-Hongo Saitama Japan Village - 34 km
Hoshubana Chiba Japan Village - 34 km
Nukata Saitama Japan Village - 35 km
Kubo Kanagawa Japan Village - 35 km
Bogayato Tokyo Japan Village - 35 km
Nishi-wada Saitama Japan Village - 35 km
Kubosawa Kanagawa Japan Village - 35 km
Minami Yamato Kanagawa Japan Village - 35 km
Kanayama Saitama Japan Village - 35 km
Matsuyama Saitama Japan Village - 36 km
Nishi-Tsuruma Kanagawa Japan Village - 36 km
Kamagaya Chiba Japan City 110000 people 36 km
Guzo Kanagawa Japan Village - 36 km
Takatsuro Saitama Japan Village - 36 km
Oyama Ibaraki Japan Village - 36 km
Yama Kanagawa Japan Village - 36 km
Yamashita Tokyo Japan Village - 36 km
Ogose Saitama Japan Village - 36 km
Washimiya Saitama Japan Village 34000 people 36 km
Itsukaichi Tokyo Japan Village 25000 people 37 km
Koya Saitama Japan Village - 37 km
Doyobu Ibaraki Japan Village - 37 km
Ichiba Saitama Japan Village - 37 km
Nagayatsu Saitama Japan Village - 37 km
Minawa Kanagawa Japan Village - 37 km
Kishai Saitama Japan Village - 37 km
Arai Saitama Japan Village - 37 km
Futamatao Tokyo Japan Village - 37 km
Omuro Saitama Japan Village - 38 km
Chanai Saitama Japan Village - 38 km
Oashi Saitama Japan Village - 38 km
Nakano Kanagawa Japan Village - 38 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
Chofu 41 Civ. Paved No 3200 14 km
Iruma 91 Mil. Paved Yes 6500 21 km
Tachikawa 95 0 21 km
Yokota AFB OKO 139 Mil. Paved Yes 11000 25 km
Honda 12 0 25 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 28 km
Chiba-ken 19 0 32 km
Yokohama YOK unknown 0 34 km
Katsner AAF 109 Civ. Paved No 1900 35 km
Shimofusa 30 Civ. Paved Yes 7300 35 km
Atsugi NJA 62 Mil. Paved Yes 7900 38 km
Kisarazu 3 Mil. Paved Yes 6000 49 km
Shimoshizu 30 0 50 km
Onishi 20 0 53 km
Ryugasaki South 2 0 57 km
Ryugasaki 2 0 58 km
Shimo Kolzumi 30 0 59 km
26 0 60 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 69 km
Nashigahara 1001 0 81 km
Suzumenomiya 82 0 81 km
Fuji 686 0 85 km
Hyakuri 32 Mil. Paved Yes 8800 85 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 86 km
Tateyama 3 0 89 km

Ports

Name LOCODE Country Distance
Tokyo JPTYO Japan 14 km
Ogasawara JPOGA Japan 19 km
Kawasaki JPKWS Japan 29 km
Katunan Ko Japan 35 km
Yokohama JPYOK Japan 35 km
Neghisi JPNGI Japan 41 km
Anegasaki JPANE Japan 47 km
Chiba JPCHB Japan 48 km
Kisarazu JPKZU Japan 50 km
Goi JPGOI Japan 51 km
Yokosuka JPYOS Japan 54 km
Kurihama JPKRH Japan 63 km
Tateyama JPTTY Japan 89 km

Dams

Reservoir Dam Name River Year Distance
Tamako Murayamashimo Tamagawa 2008 16 km
Tamako Murayamakami Tamagawa 1924 19 km
Sayamako Yamaguchi Tamagawa 2002 19 km
Miyazawako Miyazawatameike Koazegawa 1941 29 km
Tsukuiko Shiroyama Sagamigawa 1964 37 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 40 km
Naguriko Arima Arimagawa 1985 42 km
Sagamiko Sagami Sagamigawa 1947 42 km
Miyagaseko Miyagase Nakatsugawa 2001 42 km
Yanakako Wataraseyusuichi Watarasegawa 1989 48 km
Okutamako Ogohchi Tamagawa 1957 52 km
Ono Ono Yatagawa 1914 54 km
Yamakura Yamakura Yamakuragawa 1964 56 km
Kori Kori Korigawa 1972 59 km
Tanzawako Miho Kawauchigawa 1978 66 km
Takatakiko Takataki Yorogawa 1990 66 km
Chichibuko Futase Arakawa 1961 67 km
Kannako Shimokubo Kannagawa 1968 68 km
Iizumishusuizeki Iizumishusuizeki Sakawagawa 1973 69 km
Kameyamako Kameyama Obitsugawa 1980 73 km
Sakuma Sakuma Okuzuregawa 1990 76 km
Hiroseko Hirose Fuefukigawa 1974 78 km
Oshioko Oshio Nanmokugawa 1968 84 km
Kusakiko Kusaki Watarasegawa 1976 89 km

More information

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