M 4.9 in Japan on 07 Jan 2013 13:53 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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 4.9M
Depth: 48.3 Km
Lat/Lon: 37.8174 , 142.356
Event Date: 07 Jan 2013 13:53 UTC
07 Jan 2013 22:53 Local
Exposed Population:
About 6000 people within 100km
Source: NEIC usc000ekk1
Inserted at: 07 Jan 2013 15:22 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000ekk1 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
121825 0.5 07 Jan 2013 13:53 4.9M, 45km N/A 20 thousand (in 100km) 00:23 NEIC
121826 0.5 07 Jan 2013 13:53 4.9M, 45.5km N/A 6 thousand (in 100km) 01:18 NEIC
121827 0.5 07 Jan 2013 13:53 4.9M, 48.3km N/A 6 thousand (in 100km) 01:28 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 Sendai.

Radius Population
100 km 20000 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
Sendai Miyagi Japan Major city 1 million people 132 km

see full list

Critical infrastructure

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

Ports

Name LOCODE Country Distance
Onagawa JPONG Japan 99 km

More information

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