M 4.8 in Japan on 10 Aug 2018 21:11 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: 4.8M
Depth: 14.49 Km
Lat/Lon: 37.2291 , 141.063
Event Date: 10 Aug 2018 21:11 UTC
11 Aug 2018 06:11 Local
Exposed Population:
2550000 people within 100km
Source: NEIC us1000g6l9
Inserted at: 10 Aug 2018 22:13 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
us1000g6l9 Scaled population (vector) 6.24  
  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
1223413 0 10 Aug 2018 21:11 4.8M, 14.49km N/A 2.6 million (in 100km) 01:02 NEIC
1223414 0 10 Aug 2018 21:11 4.7M, 14.24km N/A 2.6 million (in 100km) 01:40 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 Shimo-Kitabo, Kami-Asamigawa, Ide, Kami-Shigeoka, Naraha, Arayashik, Yotsukura, Tomioka, Hokidaira, Dozan, and Komagamine.

Radius Population
100 km 2.5 million people
75 km 1.4 million people
50 km 470000 people
20 km 25000 people
10 km 5900 people
5 km <1000 people
2 km no people

Affected Provinces

Region Province Country Population
Tohoku Japan 10 million people

Affected populated places

Name Region Province Country City class Population Distance
Shimo-Kitabo Fukushima Japan Village - 5 km
Kami-Asamigawa Fukushima Japan Village - 6 km
Ide Fukushima Japan Village - 8 km
Kami-Shigeoka Fukushima Japan Village - 9 km
Naraha Fukushima Japan Village - 9 km
Arayashik Fukushima Japan Village - 10 km
Yotsukura Fukushima Japan Village - 11 km
Tomioka Fukushima Japan Village - 13 km
Hokidaira Fukushima Japan Village - 13 km
Dozan Fukushima Japan Village - 15 km
Bogoya Fukushima Japan Village - 15 km
Oragahama Fukushima Japan Village - 15 km
Otojiro Fukushima Japan Village - 16 km
Takatsudo Fukushima Japan Village - 17 km
Omori Fukushima Japan Village - 18 km
Nakayama Fukushima Japan Village - 19 km
Ogawara Fukushima Japan Village - 19 km
Gomaisawa Fukushima Japan Village - 20 km
Uzugawa Fukushima Japan Village - 20 km
Odashiro Fukushima Japan Village - 21 km
Eda Fukushima Japan Village - 21 km
Mishima Fukushima Japan Village - 21 km
Takahagi Fukushima Japan Village - 22 km
Aratame Fukushima Japan Village - 22 km
Okuma Fukushima Japan Village - 22 km
Shimo-Kawauchi Fukushima Japan Village - 23 km
Taira Fukushima Japan City - 23 km
Yoshima Fukushima Japan Village - 24 km
Shimo-Takaku Fukushima Japan Village - 24 km
Doyaba Fukushima Japan Village - 25 km
Futaba Fukushima Japan Village - 26 km
Kami-Kawauchi Fukushima Japan Village - 26 km
Sakashiuchi Fukushima Japan Village - 26 km
Shidamyo Fukushima Japan Village - 26 km
Tsunagi Fukushima Japan Village - 27 km
Toyoma Fukushima Japan Village - 27 km
Shimo-Yata Fukushima Japan Village - 28 km
Tsuzura Fukushima Japan Village - 28 km
Kawamae Fukushima Japan Village - 28 km
Kami-Nagai Fukushima Japan Village - 28 km
Unejiri Fukushima Japan Village - 29 km
Goto Fukushima Japan Village - 29 km
Jikenjo Fukushima Japan Village - 29 km
Onoda Fukushima Japan Village - 29 km
Okubo Fukushima Japan Village - 29 km
Kiyohashi Fukushima Japan Village - 30 km
Namie Fukushima Japan Village 22000 people 30 km
Ena Fukushima Japan Village - 30 km
Ohahama Fukushima Japan Village - 31 km
Kami-Okeuri Fukushima Japan Village - 31 km
Takadaiima Fukushima Japan Village - 31 km
Sumiyoshi Fukushima Japan Village - 32 km
Ojiro Fukushima Japan Village - 32 km
Mabarado Fukushima Japan Village - 32 km
Kariyado Fukushima Japan Village - 32 km
Nakadera Fukushima Japan Village - 32 km
Sekifune Fukushima Japan Village - 32 km
Furumichi Fukushima Japan Village - 33 km
Shimo-Misaka Fukushima Japan Village - 33 km
Gomizawa Fukushima Japan Village - 33 km
Sekimori Fukushima Japan Village - 34 km
Ohana Fukushima Japan Village - 35 km
Onaba Fukushima Japan Village - 35 km
Onahama Fukushima Japan City - 35 km
Nakanouchi Fukushima Japan Village - 35 km
Nagakubo Fukushima Japan Village - 36 km
Kami-Kamato Fukushima Japan Village - 36 km
Kami-Ichigaya Fukushima Japan Village - 36 km
Tanebe Fukushima Japan Village - 36 km
Hirase Fukushima Japan Village - 37 km
Kodeya Fukushima Japan Village - 37 km
Kammata Fukushima Japan Village - 37 km
Yanagiwatado Fukushima Japan Village - 37 km
Odaka Fukushima Japan Village - 38 km
Iritono Fukushima Japan Village - 38 km
Obama Fukushima Japan Village - 38 km
Iwaisawa Fukushima Japan Village - 38 km
Shinden Fukushima Japan Village - 38 km
Kashiwabara Fukushima Japan Village - 39 km
Hirusone Fukushima Japan Village - 39 km
Shioniwa Fukushima Japan Village - 39 km
Kami-misaka Fukushima Japan Village - 39 km
Soeno Fukushima Japan Village - 39 km
Taki Fukushima Japan Village - 40 km
Sugaya Fukushima Japan Village - 40 km
Kami-Yamoda Fukushima Japan Village - 40 km
Otsu Fukushima Japan Village - 40 km
Ochiai Fukushima Japan Village - 41 km
Shiroishi Fukushima Japan Village - 41 km
Tetsuzan Fukushima Japan Village - 41 km
Kami-ogoe Fukushima Japan Village - 42 km
Shionohira Fukushima Japan Village - 42 km
Yamagani Fukushima Japan Village - 42 km
Kitakata Fukushima Japan Village - 42 km
Kunugidaira Fukushima Japan Village - 43 km
Kuroda Fukushima Japan Village - 43 km
Shimo-Ogoe Fukushima Japan Village - 43 km
Yokomichi Fukushima Japan Village - 43 km
Hayawada Fukushima Japan Village - 43 km
Haramachi Fukushima Japan Village 47000 people 43 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 56 km
Otawara 201 0 100 km

Ports

Name LOCODE Country Distance
Onahama JPONA Japan 35 km
Soma JPSMA Japan 67 km
Hitachi JPHTC Japan 90 km

Dams

Reservoir Dam Name River Year Distance
Sakashita Sakashita Okawaragawa 1973 20 km
Ogaki Ogaki Ukedogawa 1985 36 km
Takashibako Takashiba Samekawa 1961 42 km
Yokokawa Yokokawa Otagawa 1983 43 km
Takanokura Takanokura Mizunashigawa 1975 47 km
Shitokiko Shitoki Shitokigawa 1983 47 km
Bobatako Sengozawa Kitasugawa 1974 51 km
Mizunuma Mizunuma Hanazonokawa 1966 54 km
Tamanotameike Tamano Udagawa 1945 67 km
Fukadachoseichi Fukadachoseichi Tadanogawa 1982 74 km
Fujinumachosuichi Fujimuna Ebanagawa 1948 78 km
Hatoriko Hatori Tsurunumagawa 1955 88 km
1991 95 km
Yoshigadaira Yoshigadaira Harakawa 1970 97 km

Nuclear plants

Name Country Reactors Distance
FUKUSHIMA-DAINI JAPAN 4 10 km
FUKUSHIMA-DAIICHI JAPAN 6 21 km
TOKAI JAPAN 3 94 km

More information

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