M 4.5 in Japan on 26 Jan 2022 21:09 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: 4.5M
Depth: 61.21 Km
Lat/Lon: 35.9284 , 140.4239
Event Date: 26 Jan 2022 21:09 UTC
27 Jan 2022 06:09 Local
Exposed Population:
34.6 million in 100km
Source: NEIC us7000gfd9
Inserted at: 26 Jan 2022 23:00 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 0
us7000gfd9 Scaled population (vector) 7.38  
  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
1423356 0 26 Jan 2022 21:09 4.5M, 61.21km N/A 34.6 million (in 100km) 01:50 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 Kansaki, Koda, Itako, Edosaki, Aso, Oyama, Namegawa, Idako, Ino, Ushibori, and Yokohama.

Radius Population
100 km 34.6 million people
75 km 19.5 million people
50 km 6.4 million people
20 km 390000 people
10 km 84000 people
5 km 21000 people
2 km 1800 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Kansaki Chiba Japan Village - 3 km
Koda Ibaraki Japan Village - 4 km
Itako Ibaraki Japan Village 25000 people 9 km
Edosaki Ibaraki Japan Village 21000 people 10 km
Aso Ibaraki Japan Village - 10 km
Oyama Ibaraki Japan Village - 10 km
Namegawa Chiba Japan Village - 11 km
Idako Ibaraki Japan Village - 11 km
Ino Chiba Japan Village - 13 km
Ushibori Ibaraki Japan Village - 13 km
Oshita Ibaraki Japan Village - 13 km
Yaida Ibaraki Japan Village - 13 km
Nekoya Ibaraki Japan Village - 14 km
Kubo Ibaraki Japan Village - 14 km
Inoue Ibaraki Japan Village - 14 km
Aonuma Ibaraki Japan Village - 14 km
Kihara Ibaraki Japan Village - 15 km
Negoya Ibaraki Japan Village - 16 km
Aruga Ibaraki Japan Village - 16 km
Obata Ibaraki Japan Village - 17 km
Yamada Ibaraki Japan Village - 18 km
Ryugasaki Chiba Japan Village 85000 people 18 km
Yoshikawa Ibaraki Japan Village - 18 km
Obunatsu Ibaraki Japan Village - 18 km
Omigawa Chiba Japan City 25000 people 19 km
Owada Ibaraki Japan Village - 19 km
Sakihama Ibaraki Japan Village - 19 km
Kyuchu Ibaraki Japan Village - 19 km
Narage Ibaraki Japan Village - 19 km
Kashima Ibaraki Japan Village 65000 people 19 km
Kashiwazaki Ibaraki Japan Village - 20 km
Kofunatsu Ibaraki Japan Village - 20 km
Omi Ibaraki Japan Village - 20 km
Fuda Ibaraki Japan Village - 21 km
Ryugaski Ibaraki Japan Village - 21 km
Owana Ibaraki Japan Village - 21 km
Narita Chiba Japan City 100000 people 21 km
Tako Chiba Japan City - 22 km
Wakaguri Ibaraki Japan Village - 22 km
Koya Ibaraki Japan Village - 22 km
Taiyo Ibaraki Japan Village - 23 km
Shishikura Ibaraki Japan Village - 23 km
Aotsuka Ibaraki Japan Village - 23 km
Hamatsuga Ibaraki Japan Village - 23 km
Jikkoku Ibaraki Japan Village - 23 km
Ikku Ibaraki Japan Village - 24 km
Takata Ibaraki Japan Village - 24 km
Okunoya Ibaraki Japan Village - 24 km
Hangu Ibaraki Japan Village - 24 km
Kamiyama Ibaraki Japan Village - 24 km
Kyochikama Ibaraki Japan Village - 25 km
Iioka Ibaraki Japan Village - 25 km
Fukawa Ibaraki Japan Village - 25 km
Muyokama Ibaraki Japan Village - 26 km
Arakawa-Oki Ibaraki Japan Village - 26 km
Ushiku Ibaraki Japan Village 79000 people 26 km
Kai-Tamari Ibaraki Japan Village - 27 km
Chiba-nyutaun Chiba Japan Village - 27 km
Dainigorisawa Ibaraki Japan Village - 27 km
Tonouchi Ibaraki Japan Village - 27 km
Tamatsukuri Ibaraki Japan Village - 28 km
Ogawa Ibaraki Japan Village - 28 km
Iina Ibaraki Japan Village - 28 km
Torinosu Ibaraki Japan Village - 28 km
Nakanuki Ibaraki Japan Village - 29 km
Sakura Chiba Japan City 180000 people 29 km
Otake Ibaraki Japan Village - 29 km
Omori Chiba Japan Village - 30 km
Miyata Ibaraki Japan Village - 30 km
Ishiyatsudo Ibaraki Japan Village - 30 km
Ambo Ibaraki Japan Village - 30 km
Fujishiro Ibaraki Japan Village 33000 people 30 km
Tsuchida Ibaraki Japan Village - 31 km
Hinosawa Ibaraki Japan Village - 31 km
Yokoshiba Chiba Japan Village - 31 km
Asahi Yokaichiba Chiba Japan Village - 31 km
Ishioka Ibaraki Japan Village 52000 people 31 km
Hokota Ibaraki Japan Village 28000 people 31 km
Momiji Ibaraki Japan Village - 32 km
Sanga Ibaraki Japan Village - 32 km
Kami-Hirooka Ibaraki Japan Village - 32 km
Sakura Ibaraki Japan Village - 32 km
Katsuori Ibaraki Japan Village - 33 km
Fujisawa Ibaraki Japan Village - 33 km
Funaki Ibaraki Japan Village - 33 km
Hongo Ibaraki Japan Village - 33 km
Yatabe Ibaraki Japan Village - 33 km
Takehara Ibaraki Japan Village - 33 km
Naka-Shizuku Ibaraki Japan Village - 33 km
Noda Ibaraki Japan Village - 34 km
Sawabe Ibaraki Japan Village - 34 km
Katakura Ibaraki Japan Village - 34 km
Asahi Ibaraki Japan Village - 35 km
Torihada Ibaraki Japan Village - 35 km
Yatabe Ibaraki Japan Village - 35 km
Abiko Chiba Japan City 130000 people 36 km
Naruto Chiba Japan City 22000 people 36 km
Obari Ibaraki Japan Village - 37 km
Akiba Ibaraki Japan Village - 37 km
Oda Ibaraki Japan Village - 37 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
Ryugasaki 2 0 17 km
Ryugasaki South 2 0 18 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 18 km
26 0 24 km
Hyakuri 32 Mil. Paved Yes 8800 28 km
Shimoshizu 30 0 39 km
Shimofusa 30 Civ. Paved Yes 7300 40 km
Chiba-ken 19 0 56 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 72 km
Kisarazu 3 Mil. Paved Yes 6000 75 km
Suzumenomiya 82 0 79 km
Honda 12 0 82 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 82 km
Chofu 41 Civ. Paved No 3200 86 km
Yokohama YOK unknown 0 88 km
Onishi 20 0 91 km
Iruma 91 Mil. Paved Yes 6500 92 km
Tachikawa 95 0 96 km
Yokota AFB OKO 139 Mil. Paved Yes 11000 99 km
Shimo Kolzumi 30 0 100 km

Ports

Name LOCODE Country Distance
Kashima JPKSM Japan 25 km
Choshi JPCHO Japan 42 km
Anegasaki JPANE Japan 46 km
Chiba JPCHB Japan 46 km
Katunan Ko Japan 49 km
Goi JPGOI Japan 53 km
Ogasawara JPOGA Japan 64 km
Tokyo JPTYO Japan 65 km
Hitachi JPHTC Japan 66 km
Kawasaki JPKWS Japan 75 km
Kisarazu JPKZU Japan 75 km
Yokohama JPYOK Japan 88 km
Katsuura Ko Japan 89 km
Neghisi JPNGI Japan 92 km
Yokosuka JPYOS Japan 100 km

Dams

Reservoir Dam Name River Year Distance
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 8 km
Jajanboike Kozogawa Kozogawa 1985 55 km
Yamakura Yamakura Yamakuragawa 1964 56 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 67 km
Takatakiko Takataki Yorogawa 1990 68 km
Yanakako Wataraseyusuichi Watarasegawa 1989 74 km
Kameyamako Kameyama Obitsugawa 1980 83 km
Kori Kori Korigawa 1972 84 km
Tamako Murayamashimo Tamagawa 2008 91 km
Sayamako Yamaguchi Tamagawa 2002 93 km
Tamako Murayamakami Tamagawa 1924 93 km
Miyazawako Miyazawatameike Koazegawa 1941 99 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 62 km

More information

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