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) 0.48  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


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 ,of Kanto (population 1,121,545) . The alertlevel for this event is GREEN

Intensity Population
280000 people
15.2 million people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1400800 35.568/140.106 5.9 62.0 5.721 07 Oct 2021 14:00 00:19 (new episode)
2 0 1400800 35.568/140.106 5.9 62.0 5.639 07 Oct 2021 15:46 02:05 (upd of #1)
3 0 1400800 35.577/140.07 5.9 62.0 5.774 08 Oct 2021 13:47 1d 00:06 (upd of #2)
4 0 1400800 35.577/140.07 5.9 62.0 5.775 18 Oct 2021 16:11 11d 02:30 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Kanto Japan 16.8 million people
Kanto Japan 24.7 million people
Chubu Japan 960000 people
Tohoku Japan 26000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Goi Chiba Japan Village - 4 km
Chiba Chiba Japan Major city 920000 people 4 km
Funabashi Chiba Japan City 560000 people 18 km
Ushiku Chiba Japan Village - 19 km
Oami Chiba Japan Village - 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
Kisarazu Chiba Japan City 120000 people 25 km
Togane Chiba Japan Village 55000 people 25 km
Tokyo Tokyo Japan Capital 8.1 million people 28 km
Matsudo Chiba Japan City 460000 people 29 km
Kururi Chiba Japan Village - 31 km
Katakai Chiba Japan City - 31 km
Ichinomiya Chiba Japan Village - 32 km
Kimitsu Chiba Japan Village 92000 people 34 km
Abiko Chiba Japan City 130000 people 35 km
Kawasaki Kanagawa Japan Major city 1.3 million people 37 km
Yoshikawa Saitama Japan Village 60000 people 43 km
Yokohama Kanagawa Japan Major city 3.6 million people 45 km
Omiya Saitama Japan City 440000 people 58 km
Sakura Chiba Japan City 180000 people 20 km
Chiba-nyutaun Chiba Japan Village - 24 km
Naruto Chiba Japan City 22000 people 28 km
Narita Chiba Japan City 100000 people 31 km
Ryugasaki Chiba Japan Village 85000 people 33 km
Hasunuma Chiba Japan Village - 35 km
Yokoshiba Chiba Japan Village - 35 km
Fujioayashi Chiba Japan Village - 38 km
Tako Chiba Japan City - 38 km
Ryugaski Ibaraki Japan Village - 39 km
Namegawa Chiba Japan Village - 39 km
Ino Chiba Japan Village - 39 km
Ushiku Ibaraki Japan Village 79000 people 44 km
Ohara Chiba Japan City 20000 people 45 km
Obari Ibaraki Japan Village - 46 km
Kansaki Chiba Japan Village - 46 km
Edosaki Ibaraki Japan Village 21000 people 47 km
Noda Chiba Japan City 120000 people 47 km
Koda Ibaraki Japan Village - 49 km
Katsuura Chiba Japan Village 22000 people 50 km
Kamogawa Chiba Japan Village 29000 people 51 km
Yatabe Ibaraki Japan Village - 51 km
Chofu Tokyo Japan City 200000 people 51 km
Yokosuka Kanagawa Japan City 420000 people 52 km
Asahi Yokaichiba Chiba Japan Village - 53 km
Kihara Ibaraki Japan Village - 53 km
Omigawa Chiba Japan City 25000 people 56 km
Hojubana Saitama Japan Village - 57 km
Idako Ibaraki Japan Village - 57 km
Kamakura Kanagawa Japan City 160000 people 57 km
Itako Ibaraki Japan Village 25000 people 58 km
Katsuyama Chiba Japan Village - 58 km
Hayama Kanagawa Japan Village 31000 people 59 km
Kodaira Tokyo Japan City 190000 people 59 km
Wada Chiba Japan Village - 59 km
Aso Ibaraki Japan Village - 59 km
Yabuhana Kanagawa Japan Village - 60 km
Owada Ibaraki Japan Village - 61 km
Inoue Ibaraki Japan Village - 62 km
Okunoya Ibaraki Japan Village - 63 km
Kutsukake Ibaraki Japan Village - 63 km
Fujisawa Kanagawa Japan City 390000 people 63 km
Tachikawa Tokyo Japan City 170000 people 64 km
Yoshinuma Ibaraki Japan Village - 65 km
Misaki Kanagawa Japan Village - 65 km
Negoya Ibaraki Japan Village - 65 km
Kashima Ibaraki Japan Village 65000 people 65 km
Hirakata Saitama Japan Village - 65 km
Sakai Ibaraki Japan Village 26000 people 66 km
Yatabe Ibaraki Japan Village - 66 km
Hojo Ibaraki Japan Village - 67 km
Yamada Ibaraki Japan Village - 67 km
Choshi Chiba Japan City 84000 people 67 km
Atsugi Kanagawa Japan City 230000 people 68 km
Kuki Saitama Japan Village 72000 people 68 km
Kawagoe Saitama Japan City 330000 people 68 km
Narage Ibaraki Japan Village - 68 km
Tateyama Chiba Japan City 49000 people 69 km
Chikura Chiba Japan City - 69 km
Chigasaki Kanagawa Japan City 230000 people 69 km
Shimotsuma Ibaraki Japan Village 37000 people 69 km
Inuwaka Chiba Japan Village - 70 km
Fuda Ibaraki Japan Village - 70 km
Ishioka Ibaraki Japan Village 52000 people 70 km
Tamatsukuri Ibaraki Japan Village - 71 km
Hachioji Tokyo Japan City 540000 people 71 km
Tsukuba Ibaraki Japan City 180000 people 71 km
Konosu Saitama Japan Village 82000 people 71 km
Hamatsuga Ibaraki Japan Village - 72 km
Kurihashi Saitama Japan Village 28000 people 73 km
Hiratsuka Kanagawa Japan City 260000 people 73 km
Sunosaki Chiba Japan Village - 73 km
Isehara Kanagawa Japan City 100000 people 75 km
Kakioka Ibaraki Japan Village - 75 km
Morokawa Ibaraki Japan Village - 75 km
Kurogo Ibaraki Japan Village - 76 km
Nemoto Chiba Japan Village - 77 km
Sakado Saitama Japan City 96000 people 77 km
Hanno Saitama Japan City 82000 people 77 km
Katakura Ibaraki Japan Village - 77 km
Sekimoto Ibaraki Japan Village - 77 km
Koga Ibaraki Japan City 57000 people 78 km
Hokota Ibaraki Japan Village 28000 people 80 km
Matsuyama Saitama Japan Village - 82 km
Iwama Ibaraki Japan Village - 82 km
Ninomiya Kanagawa Japan Village 31000 people 82 km
Shimodate Ibaraki Japan City 63000 people 83 km
Kadoi Ibaraki Japan Village - 83 km
Saitama Saitama Japan Major city 1.1 million people 84 km
Okunoya Ibaraki Japan Village - 84 km
Nishi-wada Saitama Japan Village - 84 km
Nagasu Ibaraki Japan Village - 86 km
Tairamachi Ibaraki Japan Village - 87 km
Oyama Tochigi Japan City 150000 people 87 km
Kozu Kanagawa Japan Village - 87 km
Iwase Ibaraki Japan Village 22000 people 88 km
Tomobe Ibaraki Japan Village 37000 people 89 km
Mito Ibaraki Japan Major city 240000 people 90 km
Uenohara Yamanashi Japan Village 25000 people 90 km
Yatagai Tochigi Japan Village - 90 km

see full list


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity 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
Yokohama YOK unknown 0 44 km
Atsugi NJA 62 Mil. Paved Yes 7900 61 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 33 km
Ryugasaki South 2 0 36 km
Ryugasaki 2 0 40 km
26 0 53 km
Chofu 41 Civ. Paved No 3200 54 km
Chiba-ken 19 0 56 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
Shimo Kolzumi 30 0 101 km
Suzumenomiya 82 0 103 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 107 km
Oshima OIM 40 Civ. Paved Yes 3900 111 km
Fuji 686 0 116 km
Nashigahara 1001 0 117 km
Otawara 201 0 144 km
313 0 148 km
29 0 154 km

Ports

Intensity 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
Kawasaki JPKWS Japan 32 km
Yokohama JPYOK Japan 44 km
Ogasawara JPOGA Japan 31 km
Tokyo JPTYO Japan 35 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
Hitachi JPHTC Japan 113 km
Oshima JPOSM Japan 114 km
Nii Japan 153 km

Dams

Intensity 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
Chichibuko Futase Arakawa 1961 116 km
Kannako Shimokubo Kannagawa 1968 117 km
Hiroseko Hirose Fuefukigawa 1974 125 km
Kusakiko Kusaki Watarasegawa 1976 127 km
Oshioko Oshio Nanmokugawa 1968 133 km
Nyuko Nyu Nyukawa 1952 139 km
Narusawako Narusawa Harunashirakawa 1950 139 km
Makabechoseichi Makabe Tonegawa 1928 140 km
Nosenko Arakawa Arakawa 1985 140 km
Chuzenjiko Chuzenji Daiyagawa 1998 141 km
Chiyodako Maruyamatameike Obinagawa 1936 141 km
Higashikoyako Nishiarakawa Nishiarakawa 1967 142 km
Terayama Terayama Miyakawa 1984 144 km
Sonoharako Sonohara Katashinagawa 1965 146 km

Nuclear plants

Intensity Name Country Reactors Distance
TOKAI JAPAN 3 109 km

More information

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