M 4.5 in Japan on 17 Mar 2017 13:00 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: 56.63 Km
Lat/Lon: 35.9528 , 140.4554
Event Date: 17 Mar 2017 13:00 UTC
17 Mar 2017 22:00 Local
Exposed Population:
23850000 people within 100km
Source: NEIC us20008sp2
Inserted at: 18 Mar 2017 05:51 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
us20008sp2 Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1160995 0 17 Mar 2017 13:00 4.5M, 56.63km N/A 23.9 million (in 100km) 16:50 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 Itako, Koda, Aso, Kansaki, Idako, Ushibori, Oshita, Oyama, Nekoya, Aonuma, and Yokohama.

Radius Population
100 km 32.7 million people
75 km 17.1 million people
50 km 5.5 million people
20 km 370000 people
10 km 87000 people
5 km 13000 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
Itako Ibaraki Japan Village 25000 people 5 km
Koda Ibaraki Japan Village - 6 km
Aso Ibaraki Japan Village - 6 km
Kansaki Chiba Japan Village - 7 km
Idako Ibaraki Japan Village - 9 km
Ushibori Ibaraki Japan Village - 9 km
Oshita Ibaraki Japan Village - 10 km
Oyama Ibaraki Japan Village - 10 km
Nekoya Ibaraki Japan Village - 10 km
Aonuma Ibaraki Japan Village - 11 km
Kubo Ibaraki Japan Village - 11 km
Inoue Ibaraki Japan Village - 12 km
Negoya Ibaraki Japan Village - 12 km
Edosaki Ibaraki Japan Village 21000 people 12 km
Yaida Ibaraki Japan Village - 14 km
Obata Ibaraki Japan Village - 14 km
Yamada Ibaraki Japan Village - 14 km
Yoshikawa Ibaraki Japan Village - 14 km
Namegawa Chiba Japan Village - 15 km
Obunatsu Ibaraki Japan Village - 15 km
Aruga Ibaraki Japan Village - 15 km
Narage Ibaraki Japan Village - 15 km
Ino Chiba Japan Village - 16 km
Kyuchu Ibaraki Japan Village - 16 km
Kihara Ibaraki Japan Village - 16 km
Kashima Ibaraki Japan Village 65000 people 16 km
Omi Ibaraki Japan Village - 17 km
Kofunatsu Ibaraki Japan Village - 17 km
Fuda Ibaraki Japan Village - 17 km
Omigawa Chiba Japan City 25000 people 18 km
Owana Ibaraki Japan Village - 18 km
Owada Ibaraki Japan Village - 18 km
Kashiwazaki Ibaraki Japan Village - 19 km
Taiyo Ibaraki Japan Village - 19 km
Koya Ibaraki Japan Village - 19 km
Aotsuka Ibaraki Japan Village - 19 km
Hamatsuga Ibaraki Japan Village - 19 km
Sakihama Ibaraki Japan Village - 19 km
Takata Ibaraki Japan Village - 20 km
Kyochikama Ibaraki Japan Village - 21 km
Shishikura Ibaraki Japan Village - 22 km
Kamiyama Ibaraki Japan Village - 22 km
Ryugasaki Chiba Japan Village 85000 people 22 km
Hangu Ibaraki Japan Village - 22 km
Muyokama Ibaraki Japan Village - 22 km
Okunoya Ibaraki Japan Village - 22 km
Dainigorisawa Ibaraki Japan Village - 24 km
Iioka Ibaraki Japan Village - 24 km
Ryugaski Ibaraki Japan Village - 24 km
Tako Chiba Japan City - 24 km
Wakaguri Ibaraki Japan Village - 24 km
Narita Chiba Japan City 100000 people 25 km
Iina Ibaraki Japan Village - 25 km
Jikkoku Ibaraki Japan Village - 25 km
Tonouchi Ibaraki Japan Village - 25 km
Ikku Ibaraki Japan Village - 25 km
Torinosu Ibaraki Japan Village - 25 km
Kai-Tamari Ibaraki Japan Village - 25 km
Otake Ibaraki Japan Village - 26 km
Tamatsukuri Ibaraki Japan Village - 26 km
Ogawa Ibaraki Japan Village - 26 km
Ambo Ibaraki Japan Village - 27 km
Ishiyatsudo Ibaraki Japan Village - 27 km
Arakawa-Oki Ibaraki Japan Village - 28 km
Hokota Ibaraki Japan Village 28000 people 28 km
Miyata Ibaraki Japan Village - 28 km
Nakanuki Ibaraki Japan Village - 29 km
Fukawa Ibaraki Japan Village - 29 km
Ushiku Ibaraki Japan Village 79000 people 29 km
Katsuori Ibaraki Japan Village - 29 km
Momiji Ibaraki Japan Village - 29 km
Funaki Ibaraki Japan Village - 30 km
Tsuchida Ibaraki Japan Village - 30 km
Ishioka Ibaraki Japan Village 52000 people 30 km
Sanga Ibaraki Japan Village - 30 km
Noda Ibaraki Japan Village - 31 km
Chiba-nyutaun Chiba Japan Village - 31 km
Asahi Yokaichiba Chiba Japan Village - 31 km
Asahi Ibaraki Japan Village - 32 km
Takehara Ibaraki Japan Village - 32 km
Torihada Ibaraki Japan Village - 32 km
Katakura Ibaraki Japan Village - 32 km
Hinosawa Ibaraki Japan Village - 33 km
Sakura Chiba Japan City 180000 people 33 km
Naka-Shizuku Ibaraki Japan Village - 33 km
Yokoshiba Chiba Japan Village - 33 km
Sakura Ibaraki Japan Village - 33 km
Fujishiro Ibaraki Japan Village 33000 people 33 km
Fujisawa Ibaraki Japan Village - 33 km
Hongo Ibaraki Japan Village - 33 km
Omori Chiba Japan Village - 33 km
Kami-Hirooka Ibaraki Japan Village - 34 km
Yatabe Ibaraki Japan Village - 34 km
Kamigama Ibaraki Japan Village - 34 km
Ebisawa Ibaraki Japan Village - 35 km
Sawabe Ibaraki Japan Village - 35 km
Akiba Ibaraki Japan Village - 35 km
Nagasu Ibaraki Japan Village - 35 km
Yatabe Ibaraki Japan Village - 35 km
Oyagaw Ibaraki Japan Village - 35 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 20 km
Ryugasaki South 2 0 22 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 22 km
26 0 25 km
Hyakuri 32 Mil. Paved Yes 8800 26 km
Shimoshizu 30 0 43 km
Shimofusa 30 Civ. Paved Yes 7300 44 km
Chiba-ken 19 0 59 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 75 km
Kisarazu 3 Mil. Paved Yes 6000 79 km
Suzumenomiya 82 0 79 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 82 km
Honda 12 0 84 km
Chofu 41 Civ. Paved No 3200 90 km
Yokohama YOK unknown 0 92 km
Onishi 20 0 93 km
Iruma 91 Mil. Paved Yes 6500 95 km
Tachikawa 95 0 99 km

Ports

Name LOCODE Country Distance
Kashima JPKSM Japan 23 km
Choshi JPCHO Japan 41 km
Anegasaki JPANE Japan 50 km
Chiba JPCHB Japan 50 km
Katunan Ko Japan 53 km
Goi JPGOI Japan 57 km
Hitachi JPHTC Japan 62 km
Ogasawara JPOGA Japan 67 km
Tokyo JPTYO Japan 68 km
Kawasaki JPKWS Japan 78 km
Kisarazu JPKZU Japan 79 km
Katsuura Ko Japan 92 km
Yokohama JPYOK Japan 92 km
Neghisi JPNGI Japan 96 km

Dams

Reservoir Dam Name River Year Distance
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 5 km
Jajanboike Kozogawa Kozogawa 1985 52 km
Yamakura Yamakura Yamakuragawa 1964 59 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 69 km
Takatakiko Takataki Yorogawa 1990 72 km
Yanakako Wataraseyusuichi Watarasegawa 1989 75 km
Kameyamako Kameyama Obitsugawa 1980 87 km
Kori Kori Korigawa 1972 88 km
Tamako Murayamashimo Tamagawa 2008 94 km
Sayamako Yamaguchi Tamagawa 2002 96 km
Tamako Murayamakami Tamagawa 1924 96 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 58 km

More information

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