M 5.9 in Japan on 07 Oct 2021 13:41 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: 5.9M
Depth: 61.97 Km
Lat/Lon: 35.5675 , 140.1064
Event Date: 07 Oct 2021 13:41 UTC
07 Oct 2021 22:41 Local
Exposed Population: 590000 people in MMI
38 million in 100km
Source: NEIC us6000fsl6
Inserted at: 18 Oct 2021 16:16 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000fsl6 Scaled population (raster) 0.85  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1400800 0 07 Oct 2021 13:41 5.9M, 61.97km 5.78 N/A (in MMI>=VII) 11d 02:35 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 Goi, Chiba, Anegasaki, Funabashi, Ushiku, Oami, Sakura, Kamagaya, Chonan, Ichikawa, and Mito.

Radius Population
100 km 38 million people
75 km 34.2 million people
50 km 19.8 million people
20 km 2.3 million people
10 km 860000 people
5 km 170000 people
2 km 2200 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Goi Chiba Japan Village - 4 km
Chiba Chiba Japan Major city 920000 people 4 km
Anegasaki Chiba Japan Village - 13 km
Funabashi Chiba Japan City 560000 people 18 km
Ushiku Chiba Japan Village - 19 km
Oami Chiba Japan Village - 20 km
Sakura Chiba Japan City 180000 people 20 km
Kamagaya Chiba Japan City 110000 people 23 km
Chonan Chiba Japan Village - 23 km
Ichikawa Chiba Japan City 460000 people 24 km
Mobara Chiba Japan City 96000 people 24 km
Chiba-nyutaun Chiba Japan Village - 24 km
Kisarazu Chiba Japan City 120000 people 25 km
Togane Chiba Japan Village 55000 people 25 km
Naruto Chiba Japan City 22000 people 28 km
Tokyo Tokyo Japan Capital 8.1 million people 28 km
Matsudo Chiba Japan City 460000 people 29 km
Omori Chiba Japan Village - 29 km
Kururi Chiba Japan Village - 31 km
Katakai Chiba Japan City - 31 km
Narita Chiba Japan City 100000 people 31 km
Ichinomiya Chiba Japan Village - 32 km
Fukawa Ibaraki Japan Village - 33 km
Ryugasaki Chiba Japan Village 85000 people 33 km
Kimitsu Chiba Japan Village 92000 people 34 km
Hasunuma Chiba Japan Village - 35 km
Abiko Chiba Japan City 130000 people 35 km
Yokoshiba Chiba Japan Village - 35 km
Golanda Tokyo Japan Village - 36 km
Kawasaki Kanagawa Japan Major city 1.3 million people 37 km
Fujioayashi Chiba Japan Village - 38 km
Tako Chiba Japan City - 38 km
Ryugaski Ibaraki Japan Village - 39 km
Futtso Chiba Japan Village - 39 km
Namegawa Chiba Japan Village - 39 km
Ino Chiba Japan Village - 39 km
Fujishiro Ibaraki Japan Village 33000 people 41 km
Yoshikawa Saitama Japan Village 60000 people 43 km
Minato Chiba Japan Village - 43 km
Asagaya Tokyo Japan Village - 44 km
Ushiku Ibaraki Japan Village 79000 people 44 km
Ohara Chiba Japan City 20000 people 45 km
Yokohama Kanagawa Japan Major city 3.6 million people 45 km
Obari Ibaraki Japan Village - 46 km
Kansaki Chiba Japan Village - 46 km
Kami-aoki Saitama Japan Village - 46 km
Edosaki Ibaraki Japan Village 21000 people 47 km
Noda Chiba Japan City 120000 people 47 km
Jikkoku Ibaraki Japan Village - 48 km
Koda Ibaraki Japan Village - 49 km
Wakaguri Ibaraki Japan Village - 49 km
Kami-Naganuma Ibaraki Japan Village - 50 km
Kobata Chiba Japan Village - 50 km
Katsuura Chiba Japan Village 22000 people 50 km
Hinosawa Ibaraki Japan Village - 50 km
Kamogawa Chiba Japan Village 29000 people 51 km
Yatabe Ibaraki Japan Village - 51 km
Chofu Tokyo Japan City 200000 people 51 km
Ikku Ibaraki Japan Village - 52 km
Arakawa-Oki Ibaraki Japan Village - 52 km
Yokosuka Kanagawa Japan City 420000 people 52 km
Asahi Yokaichiba Chiba Japan Village - 53 km
Kihara Ibaraki Japan Village - 53 km
Katayama Saitama Japan Village - 54 km
Oyama Ibaraki Japan Village - 54 km
Oyama Ibaraki Japan Village - 54 km
Yaida Ibaraki Japan Village - 54 km
Omigawa Chiba Japan City 25000 people 56 km
Kami-Hirooka Ibaraki Japan Village - 56 km
Shimana Ibaraki Japan Village - 56 km
Kanioshioacho Kanagawa Japan Village - 56 km
Tsotuma K Tokyo Japan Village - 57 km
Hojubana Saitama Japan Village - 57 km
Idako Ibaraki Japan Village - 57 km
Kamakura Kanagawa Japan City 160000 people 57 km
Goka Ibaraki Japan Village - 57 km
Hoshubana Chiba Japan Village - 57 km
Minami Yamato Kanagawa Japan Village - 58 km
Sakihama Ibaraki Japan Village - 58 km
Itako Ibaraki Japan Village 25000 people 58 km
Katsuyama Chiba Japan Village - 58 km
Hikago Kanagawa Japan Village - 58 km
Omiya Saitama Japan City 440000 people 58 km
Matate Ibaraki Japan Village - 58 km
Bessho Kanagawa Japan Village - 58 km
Okura Tokyo Japan Village - 59 km
Naka-Wada Kanagawa Japan Village - 59 km
Hayama Kanagawa Japan Village 31000 people 59 km
Kodaira Tokyo Japan City 190000 people 59 km
Ochikawa Tokyo Japan Village - 59 km
Wada Chiba Japan Village - 59 km
Aso Ibaraki Japan Village - 59 km
Kokubunai Tokyo Japan Village - 59 km
Sagami Ono Kanagawa Japan Village - 59 km
Aruga Ibaraki Japan Village - 60 km
Chogo Kanagawa Japan Village - 60 km
Sakura Ibaraki Japan Village - 60 km
Ushibori Ibaraki Japan Village - 60 km
Shimo-Yabe Tokyo Japan Village - 60 km
Tsuruma Saitama Japan Village - 60 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 11 km
Kisarazu 3 Mil. Paved Yes 6000 26 km
Shimofusa 30 Civ. Paved Yes 7300 27 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 30 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 33 km
Ryugasaki South 2 0 36 km
Ryugasaki 2 0 40 km
Yokohama YOK unknown 0 44 km
26 0 53 km
Chofu 41 Civ. Paved No 3200 54 km
Chiba-ken 19 0 56 km
Atsugi NJA 62 Mil. Paved Yes 7900 61 km
Katsner AAF 109 Civ. Paved No 1900 65 km
Tachikawa 95 0 66 km
Tateyama 3 0 69 km
Honda 12 0 70 km
Iruma 91 Mil. Paved Yes 6500 70 km
Yokota AFB OKO 139 Mil. Paved Yes 11000 71 km
Hyakuri 32 Mil. Paved Yes 8800 74 km
Onishi 20 0 93 km

Ports

Name LOCODE Country Distance
Chiba JPCHB Japan 4 km
Goi JPGOI Japan 4 km
Anegasaki JPANE Japan 4 km
Katunan Ko Japan 16 km
Kisarazu JPKZU Japan 26 km
Ogasawara JPOGA Japan 31 km
Kawasaki JPKWS Japan 32 km
Tokyo JPTYO Japan 35 km
Yokohama JPYOK Japan 44 km
Neghisi JPNGI Japan 47 km
Katsuura Ko Japan 51 km
Yokosuka JPYOS Japan 51 km
Kurihama JPKRH Japan 55 km
Kashima JPKSM Japan 65 km
Choshi JPCHO Japan 68 km
Tateyama JPTTY Japan 68 km

Dams

Reservoir Dam Name River Year Distance
Yamakura Yamakura Yamakuragawa 1964 9 km
Takatakiko Takataki Yorogawa 1990 24 km
Kori Kori Korigawa 1972 35 km
Kameyamako Kameyama Obitsugawa 1980 38 km
Sakuma Sakuma Okuzuregawa 1990 53 km
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 57 km
Tamako Murayamashimo Tamagawa 2008 64 km
Tamako Murayamakami Tamagawa 1924 66 km
Sayamako Yamaguchi Tamagawa 2002 67 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 71 km
Tsukuiko Shiroyama Sagamigawa 1964 75 km
Miyagaseko Miyagase Nakatsugawa 2001 78 km
Miyazawako Miyazawatameike Koazegawa 1941 78 km
Yanakako Wataraseyusuichi Watarasegawa 1989 80 km
Sagamiko Sagami Sagamigawa 1947 83 km
Naguriko Arima Arimagawa 1985 91 km
Iizumishusuizeki Iizumishusuizeki Sakawagawa 1973 92 km
Ono Ono Yatagawa 1914 95 km
Jajanboike Kozogawa Kozogawa 1985 98 km
Tanzawako Miho Kawauchigawa 1978 98 km
Okutamako Ogohchi Tamagawa 1957 99 km

More information

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