M 4.7 in Japan on 15 Oct 2012 21:47 UTC
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: 66.4 Km
Lat/Lon: 36.7274 , 141.746
Event Date: 15 Oct 2012 21:47 UTC
16 Oct 2012 06:47 Local
Exposed Population:
570000 people within 100km
Source: NEIC usb000d6er
Inserted at: 15 Oct 2012 22:22 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usb000d6er 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
120231 0.5 15 Oct 2012 21:47 4.7M, 66.4km N/A 570 thousand (in 100km) 00:34 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 and Mito.

Radius Population
100 km 520000 people
75 km no people
50 km no 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

Affected populated places

Name Region Province Country City class Population Distance
Mito Ibaraki Japan Major city 240000 people 133 km

see full list

Critical infrastructure

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

Ports

Name LOCODE Country Distance
Onahama JPONA Japan 80 km

Dams

Reservoir Dam Name River Year Distance
Takashibako Takashiba Samekawa 1961 96 km
Shitokiko Shitoki Shitokigawa 1983 96 km
Mizunuma Mizunuma Hanazonokawa 1966 98 km

More information

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