M 4.7 in Japan on 17 Sep 2015 21:42 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: 4.7M
Depth: 55.02 Km
Lat/Lon: 41.3853 , 142.0079
Event Date: 17 Sep 2015 21:42 UTC
18 Sep 2015 06:42 Local
Exposed Population:
198642 people within 100km
Source: NEIC
Inserted at: 17 Sep 2015 22:09 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1097694 0 17 Sep 2015 21:42 4.7M, 55.02km N/A 200 thousand (in 100km) 00:26 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 Shiriya, Shikkari, Sarugamori, Kodanosawa, Tomari, Mena, Chikagawa, Mutsu, Sekine, Tanabu, and Ominato.

Radius Population
100 km 200000 people
75 km 71000 people
50 km <1000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Tohoku Japan 10 million people
Hokkaido Japan 5.8 million people
Sakhalinskaya oblast' Russian Federation 730000 people

Affected populated places

Name Region Province Country City class Population Distance
Shiriya Aomori Japan Village - 47 km
Shikkari Aomori Japan Village - 50 km
Sarugamori Aomori Japan Village - 52 km
Kodanosawa Aomori Japan Village - 54 km
Tomari Aomori Japan Village - 62 km
Mena Aomori Japan Village - 62 km
Chikagawa Aomori Japan Village - 65 km
Mutsu Aomori Japan Village 49000 people 66 km
Sekine Aomori Japan Village - 67 km
Tanabu Aomori Japan Village - 67 km
Dedo Aomori Japan Village - 67 km
Oibegawa Aomori Japan Village - 70 km
Ominato Aomori Japan Village - 70 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
Misawa Naf MSJ 36 Mil. Paved Yes 10000 93 km

Ports

Name LOCODE Country Distance
Ominato JPOMT Japan 70 km
Ohata Japan 81 km

Nuclear plants

Name Country Reactors Distance
HIGASHI DORI JAPAN 1 59 km

More information

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