M 7.3 in Japan from 07 Dec 2012 08:18 UTC to 08:18

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: 7.3M
Depth: 33 Km
Lat/Lon: 37.71 , 144.625
Event Date: 07 Dec 2012 08:18 UTC
07 Dec 2012 18:18 Local
Exposed Population:
No people within 100km
Source: NEIC usc000e5n4
Inserted at: 07 Dec 2012 08:28 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 1 0.5
usc000e5n4 Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.28m  
  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
121313 0.5 07 Dec 2012 08:18 7.3M, 33km N/A No people affected (in 100km) 0.3m (at 01:26) 00:09 NEIC
121314 0.9 07 Dec 2012 08:18 7.5M, 10km N/A No people affected (in 100km) 1m (at 01:00) 00:10 NEIC
121315 0.5 07 Dec 2012 08:18 7.3M, 36.1km N/A No people affected (in 100km) 0.4m (at 00:42) 00:17 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) .

Radius Population
100 km no 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
Kanto Japan 38.5 million people
Hokkaido Japan 5.8 million people

Critical infrastructure

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

More information

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