M 4.6 in Japan on 19 Oct 2017 12:50 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: 49.08 Km
Lat/Lon: 37.1499 , 140.9955
Event Date: 19 Oct 2017 12:50 UTC
19 Oct 2017 21:50 Local
Exposed Population:
2390000 people within 100km
Source: NEIC us1000auc1
Inserted at: 19 Oct 2017 20:55 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
us1000auc1 Scaled population (vector) 6.42  
  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
1184541 0 19 Oct 2017 12:50 4.6M, 49.08km N/A 2.4 million (in 100km) 08:04 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 Tohoku (population 9,984,608) . The nearest places are Yotsukura, Arayashik, Kami-Asamigawa, Omori, Dozan, Shimo-Kitabo, Nakayama, Aratame, Mishima, Hokidaira, and Higashi-tamano.

Radius Population
100 km 2.9 million people
75 km 1.5 million people
50 km 480000 people
20 km 190000 people
10 km 27000 people
5 km 6900 people
2 km 2800 people

Affected Provinces

Region Province Country Population
Tohoku Japan 10 million people

Affected populated places

Name Region Province Country City class Population Distance
Yotsukura Fukushima Japan Village - 0 km
Arayashik Fukushima Japan Village - 3 km
Kami-Asamigawa Fukushima Japan Village - 7 km
Omori Fukushima Japan Village - 8 km
Dozan Fukushima Japan Village - 8 km
Shimo-Kitabo Fukushima Japan Village - 8 km
Nakayama Fukushima Japan Village - 9 km
Aratame Fukushima Japan Village - 11 km
Mishima Fukushima Japan Village - 12 km
Hokidaira Fukushima Japan Village - 12 km
Takahagi Fukushima Japan Village - 12 km
Taira Fukushima Japan City - 13 km
Yoshima Fukushima Japan Village - 14 km
Shimo-Takaku Fukushima Japan Village - 14 km
Ide Fukushima Japan Village - 15 km
Eda Fukushima Japan Village - 15 km
Naraha Fukushima Japan Village - 15 km
Kami-Shigeoka Fukushima Japan Village - 16 km
Otojiro Fukushima Japan Village - 17 km
Doyaba Fukushima Japan Village - 17 km
Shimo-Yata Fukushima Japan Village - 17 km
Tsuzura Fukushima Japan Village - 17 km
Toyoma Fukushima Japan Village - 17 km
Goto Fukushima Japan Village - 20 km
Ena Fukushima Japan Village - 20 km
Uzugawa Fukushima Japan Village - 20 km
Kami-Nagai Fukushima Japan Village - 21 km
Tomioka Fukushima Japan Village - 21 km
Ohahama Fukushima Japan Village - 21 km
Sumiyoshi Fukushima Japan Village - 21 km
Odashiro Fukushima Japan Village - 21 km
Mabarado Fukushima Japan Village - 22 km
Sekifune Fukushima Japan Village - 22 km
Kawamae Fukushima Japan Village - 23 km
Bogoya Fukushima Japan Village - 23 km
Shidamyo Fukushima Japan Village - 24 km
Unejiri Fukushima Japan Village - 24 km
Gomaisawa Fukushima Japan Village - 24 km
Takatsudo Fukushima Japan Village - 24 km
Shimo-Kawauchi Fukushima Japan Village - 24 km
Oragahama Fukushima Japan Village - 24 km
Nakadera Fukushima Japan Village - 24 km
Onahama Fukushima Japan City - 25 km
Kami-Kamato Fukushima Japan Village - 25 km
Tanebe Fukushima Japan Village - 25 km
Ogawara Fukushima Japan Village - 26 km
Tsunagi Fukushima Japan Village - 26 km
Kami-Kawauchi Fukushima Japan Village - 27 km
Sakashiuchi Fukushima Japan Village - 27 km
Shimo-Misaka Fukushima Japan Village - 27 km
Obama Fukushima Japan Village - 28 km
Kami-Okeuri Fukushima Japan Village - 28 km
Iritono Fukushima Japan Village - 28 km
Soeno Fukushima Japan Village - 29 km
Gomizawa Fukushima Japan Village - 29 km
Okuma Fukushima Japan Village - 29 km
Kami-Ichigaya Fukushima Japan Village - 29 km
Taki Fukushima Japan Village - 29 km
Kami-Yamoda Fukushima Japan Village - 29 km
Otsu Fukushima Japan Village - 30 km
Ojiro Fukushima Japan Village - 30 km
Shinden Fukushima Japan Village - 30 km
Nagakubo Fukushima Japan Village - 30 km
Okubo Fukushima Japan Village - 32 km
Shionohira Fukushima Japan Village - 32 km
Kuroda Fukushima Japan Village - 32 km
Takadaiima Fukushima Japan Village - 33 km
Kami-misaka Fukushima Japan Village - 33 km
Jikenjo Fukushima Japan Village - 33 km
Hatta Fukushima Japan Village - 33 km
Tabyuto Fukushima Japan Village - 34 km
Futaba Fukushima Japan Village - 34 km
Hirase Fukushima Japan Village - 34 km
Nita Fukushima Japan Village - 35 km
Ueda Fukushima Japan City - 35 km
Terashita Fukushima Japan Village - 35 km
Kubota Fukushima Japan Village - 35 km
Yamagani Fukushima Japan Village - 35 km
Shioniwa Fukushima Japan Village - 35 km
Ogawa Fukushima Japan Village - 35 km
Kammata Fukushima Japan Village - 36 km
Furumichi Fukushima Japan Village - 36 km
Nijibu Fukushima Japan Village - 36 km
Kitakata Fukushima Japan Village - 37 km
Idekura Fukushima Japan Village - 37 km
Onoda Fukushima Japan Village - 37 km
Hirakata Ibaraki Japan Village - 37 km
Daibara Fukushima Japan Village - 38 km
Kaidomari Fukushima Japan Village - 38 km
Yanagiwatado Fukushima Japan Village - 38 km
Namie Fukushima Japan Village 22000 people 38 km
Futta Fukushima Japan Village - 38 km
Kiyohashi Fukushima Japan Village - 39 km
Sugaya Fukushima Japan Village - 39 km
Kamiyomogita Fukushima Japan Village - 39 km
Matsukawa Fukushima Japan Village - 39 km
Minami-Odaira Fukushima Japan Village - 39 km
Ohana Fukushima Japan Village - 39 km
Kariyado Fukushima Japan Village - 40 km
Shiroishi Fukushima Japan Village - 40 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
Fukushima FKS 372 Civ. Paved Yes 8200 51 km
Otawara 201 0 91 km

Ports

Name LOCODE Country Distance
Onahama JPONA Japan 24 km
Soma JPSMA Japan 76 km
Hitachi JPHTC Japan 80 km

Dams

Reservoir Dam Name River Year Distance
Sakashita Sakashita Okawaragawa 1973 26 km
Takashibako Takashiba Samekawa 1961 32 km
Shitokiko Shitoki Shitokigawa 1983 36 km
Ogaki Ogaki Ukedogawa 1985 42 km
Mizunuma Mizunuma Hanazonokawa 1966 44 km
Bobatako Sengozawa Kitasugawa 1974 45 km
Yokokawa Yokokawa Otagawa 1983 51 km
Takanokura Takanokura Mizunashigawa 1975 54 km
Fukadachoseichi Fukadachoseichi Tadanogawa 1982 71 km
Tamanotameike Tamano Udagawa 1945 73 km
Fujinumachosuichi Fujimuna Ebanagawa 1948 73 km
Hatoriko Hatori Tsurunumagawa 1955 83 km
Yoshigadaira Yoshigadaira Harakawa 1970 94 km
Jajanboike Kozogawa Kozogawa 1985 97 km
Miyamako Miyama Nakagawa 1973 98 km
Yunoiriko Higashiyama Yugawa 1982 98 km
Wakasatoko Okawa Agagawa 1987 99 km
1991 100 km

Nuclear plants

Name Country Reactors Distance
FUKUSHIMA-DAINI JAPAN 4 19 km
FUKUSHIMA-DAIICHI JAPAN 6 30 km
TOKAI JAPAN 3 84 km

More information

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