M 4.6 in Japan on 25 May 2017 17:33 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: 66.88 Km
Lat/Lon: 42.0229 , 142.6598
Event Date: 25 May 2017 17:33 UTC
26 May 2017 02:33 Local
Exposed Population:
100000 people within 100km
Source: NEIC us10008vcz
Inserted at: 25 May 2017 20:12 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
us10008vcz 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
1168940 0 25 May 2017 17:33 4.6M, 66.88km N/A 110 thousand (in 100km) 02:38 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 Hokkaido (population 5,808,054) . The nearest places are Urakawa, Ogifushi, Nishicha, Samani, Kerimabu, Utabue, Kurambetsu, Higashi-shizunai, Kami mitsuishi, Panke, and Kami-notsuka.

Radius Population
100 km 110000 people
75 km 58000 people
50 km 44000 people
20 km 1800 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Hokkaido Japan 5.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Urakawa Hokkaido Japan Village - 18 km
Ogifushi Hokkaido Japan Village - 19 km
Nishicha Hokkaido Japan Village - 22 km
Samani Hokkaido Japan Village - 24 km
Kerimabu Hokkaido Japan Village - 25 km
Utabue Hokkaido Japan Village - 28 km
Kurambetsu Hokkaido Japan Village - 32 km
Higashi-shizunai Hokkaido Japan Village - 37 km
Kami mitsuishi Hokkaido Japan Village - 40 km
Panke Hokkaido Japan Village - 41 km
Horoizumi Hokkaido Japan Village - 41 km
Shizunai Hokkaido Japan Village 22000 people 42 km
Ichibu Hokkaido Japan Village - 46 km
Sariwarabe Hokkaido Japan Village - 47 km
Niikappu Hokkaido Japan Village - 47 km
Erimo Hokkaido Japan Village - 49 km
Chipira Hokkaido Japan Village - 51 km
Atsugacho Hokkaido Japan Village - 55 km
Onitoppu Hokkaido Japan Village - 56 km
Kami-toyoni Hokkaido Japan Village - 61 km
Hiroo Hokkaido Japan Village - 61 km
Showa Hokkaido Japan Village - 64 km
Toyoni Hokkaido Japan Village - 65 km
Kami-notsuka Hokkaido Japan Village - 66 km

see full list

Critical infrastructure

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

Ports

Name LOCODE Country Distance
Samani JPSAM Japan 24 km
Tokachi JPTOK Japan 60 km

Dams

Reservoir Dam Name River Year Distance
Samaniko Samani Samanigawa 1974 31 km
Horomanko Horomangawadaisan Horomangawa 1954 36 km
Mitsuishi Mitsuishi Mitsuishigawa 1991 40 km
Shizunaichoseichi Shizunai Shizunaigawa 1966 44 km
Takamiko Takami Shizunaigawa 1983 49 km
Higashinosawachoseichi Higashinosawa Koikakushushibicharigawa 1987 52 km
Shimonikappu Shimonikappu Nikappugawa 1969 62 km
Niikappu Niikappu Niikappugawa 1974 66 km
Poroshiriko Okunikappu Nikappugawa 1963 72 km
Nibutaniko Nibutani Sarugawa n/a 80 km
Iwachishi Iwachishi Sarugawa 1958 89 km

More information

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